Representative before the EPO

Employment test 201 - 500 employees
Company dna awapatent
operating since 1897
1149.62
Headquarter in Malmö and 14 offices
active in Legal Services, IP Consulting, and IP Portfolio Processing

Representative before the EPO

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Representative before the EPO

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Technology Company

Kenneth Ahrengart has worked on the following 123 EPO patent applications which have been published in the last five years:

EP10715736

ENHANCING WIDE AREA CONTROL RELIABILITY OF A POWER TRANSMISSION SYSTEM

IPC classification:
H02J 3/24, H02J 13/00
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP10710292

CONVERTER CELL FOR CASCADED CONVERTERS, CONTROL SYSTEM AND METHOD FOR BYPASSING A FAULTY CONVERTER CELL

IPC classification:
H02M 1/32, H02M 7/49, H02M 7/797
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP10713645

FAULT WAVE ARRIVAL DETERMINATION

IPC classification:
G01R 31/08
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP10720444

INTERFACE ARRANGEMENT BETWEEN AC AND DC SYSTEMS USING GROUNDING SWITCH

IPC classification:
H01H 79/00, H02J 3/36
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP10710319

A VOLTAGE SOURCE CONVERTER AND A METHOD FOR FAULT HANDLING THEREOF

IPC classification:
H01H 79/00, H02J 3/18, H02M 1/32, H02M 7/757, H02M 7/797
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
The patent has been granted
EP10729834

METHOD AND TOOL FOR AUTOMATIC DISTRIBUTION OF CONTROL CODE IN A SAFETY SYSTEM

IPC classification:
G05B 9/02, G05B 19/042, G05B 23/02, G06F 9/50
Applicant:
ABB AS
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP11729319

HIGH VOLTAGE SHIELDING DEVICE AND A SYSTEM COMPRISING THE SAME

IPC classification:
H01B 17/26, H01F 27/04, H01F 27/36, H05K 9/00
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP10725209

A METHOD IN A WIRELESS PROCESS CONTROL SYSTEM FOR REDUCING POWER CONSUMPTION, AND A CONTROLLER AND COMPUTER PROGRAM PRODUCTS

IPC classification:
G06F 1/32, H04Q 9/00
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP10739902

CAPACITOR DISCHARGE IN A CELL BASED VOLTAGE SOURCE CONVERTER

IPC classification:
H02J 3/18, H02M 1/32, H02M 7/49
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
The patent has been granted
EP11167797

High voltage arrangement comprising an insulating structure

IPC classification:
H01F 27/04, H01F 27/32
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION REQUESTED
EP11168222

Tap changer

IPC classification:
H01H 9/00
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP11168340

Improved ground fault handling in power distribution systems with mixed underground and aerial power lines

IPC classification:
G01R 31/08, H02H 9/08, H02J 3/18
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION IN PROGRESS
EP11169909

A gearbox for a tap changer, a tap changer and a transformer

IPC classification:
F16H 27/00, H01F 29/04, H01H 9/00
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP11175099

An arrangement and a method for supplying electric power

IPC classification:
H02J 3/38, H02M 7/493
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP11171527

Method and apparatus for monitoring of a tap changer

IPC classification:
H01F 29/04, H01H 9/00, H02H 7/055
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
APPLICATION WITHDRAWN
EP11169938

An energy accumulator for actuating a switching device, a tap changer and a transformer

IPC classification:
H01H 3/30, H01H 9/00
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
APPLICATION WITHDRAWN
EP10765639

ARRANGEMENT FOR TRANSMITTING POWER BETWEEN A DC POWER LINE AND AN AC POWER LINE

IPC classification:
H02J 3/36, H02M 7/48, H02M 7/483, H02M 7/537
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP10720395

AC/DC converter with series connected multicell phase modules each in parallel with a series connection of DC blocking capacitor and AC terminals

IPC classification:
H02M 7/483, H02M 7/49, H02M 7/758
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP11708433

PROTECTING AN OPERATION CONTROL UNIT CONNECTED TO AN ELECTRIC MACHINE VIA A LONG CABLE

IPC classification:
H02H 7/08, H02H 9/04
Applicant:
ABB AS
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION IN PROGRESS
EP11707869

A DC GRID AND A METHOD OF LIMITING THE EFFECTS OF A FAULT IN A DC GRID

IPC classification:
H02H 7/26
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP11712256

MODULAR MULTILEVEL CONVERTER WITH CELL - CONNECTED BATTERY STORAGES

IPC classification:
H02J 3/32, H02M 7/797
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11805880

A METHOD IN A CONTROLLER CONTROLLING A DYNAMIC COMPENSATOR, A CONTROLLER, COMPUTER PROGRAMS AND COMPUTER PROGRAM PRODUCTS

IPC classification:
H02J 3/18
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
APPLICATION WITHDRAWN
EP11723397

SYSTEM AND METHOD FOR PROTECTING AN ELECTRICAL POWER GRID

IPC classification:
H02H 3/28
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11740593

A METHOD AND A CONTROL SYSTEM FOR CONTROLLING A MELTING PROCESS

IPC classification:
C21C 5/52, F27D 19/00, F27D 21/00, H05B 6/34
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP11728268

TRANSFER OF RESPONSIBILITY IN A MULTISYSTEM ENVIRONMENT

IPC classification:
G06Q 10/00
Agent:
Multiple attorneys, ABB AB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12158157

A post insulator

IPC classification:
G01M 3/22, H01B 17/14, H01B 17/36
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
APPLICATION WITHDRAWN
EP11726384

METHODS FOR DE-ENERGIZING A CHAIN-LINK CONVERTER, CONTROLLER, COMPUTER PROGRAMS AND COMPUTER PROGRAM PRODUCTS

IPC classification:
H02M 1/36, H02M 7/48
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11724239

A COMPENSATING SYSTEM FOR MEDIUM OR HIGH VOLTAGE APPLICATIONS

IPC classification:
H02J 3/01, H02J 3/18
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11728805

METHOD AND DEVICE FOR PROTECTION ZONE SELECTION IN A MULTIPLE BUSBAR ARRANGEMENT

IPC classification:
H02H 1/00
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION IN PROGRESS
EP11728261

POWER SUPPLY FOR CONTROLLING A POWER SWITCH

IPC classification:
H02M 1/096
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11728864

HIGH VOLTAGE DC/DC CONVERTER

IPC classification:
H02J 3/36, H02M 3/335
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP11729415

SYSTEM FOR DETECTING INTERNAL WINDING FAULTS OF A SYNCHRONOUS GENERATOR, COMPUTER PROGRAM PRODUCT AND METHOD

IPC classification:
G01R 31/34, H02H 3/253, H02H 7/09, H02P 29/02
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11729314

SHORT-CIRCUIT FAILURE MODE WITH MULTIPLE DEVICE BREAKDOWN

IPC classification:
H01L 23/02, H01L 23/051, H01L 25/07, H01L 25/11
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP11749798

A METHOD AND AN APPARATUS FOR ATTENUATING PRESSURE PULSES

IPC classification:
E02D 7/06, E02D 7/14
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11728625

IMPROVED RELIABILITY IN SEMICONDUCTOR DEVICE CONTROL

IPC classification:
H02H 3/05, H02M 1/092
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11776740

DIRECT CURRENT BREAKER AND ELECTRICAL POWER SYSTEM COMPRISING SUCH DIRECT CURRENT BREAKER

IPC classification:
H01H 33/59
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11776757

INTERFACE ARRANGEMENT BETWEEN AC AND DC SYSTEMS FOR RELIABLE OPENING OF THE CIRCUIT BREAKER IN TIME

IPC classification:
H02J 3/36
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11776455

TRAVELLING-WAVE BASED FAULT PROTECTION OF HIGH-VOLTAGE TRANSMISSION LINES

IPC classification:
G01R 31/08, H02H 7/26
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11779716

USING THE TRANSFER SWITCH OF A HYBRID CIRCUIT BREAKER AS SELECTOR SWITCH

IPC classification:
H02H 7/26, H02J 3/36
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11785666

HVDC HYBRID CIRCUIT BREAKER WITH SNUBBER CIRCUIT

IPC classification:
H01H 9/54, H01H 33/59
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11784651

AC/DC MULTICELL POWER CONVERTER FOR DUAL TERMINAL HVDC CONNECTION

IPC classification:
H02J 1/10, H02J 3/36, H02M 7/49, H02M 7/797
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11784661

FAULT PROTECTION IN MIXED HIGH-VOLTAGE TRANSMISSION LINES

IPC classification:
G01R 31/08, H02H 7/26
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11749385

ALARM VISUALIZATION

IPC classification:
G05B 13/02, G05B 23/02
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP11787676

INTELLIGENT GATE DRIVER FOR IGBT

IPC classification:
H03K 17/0812, H03K 17/082, H03K 17/18, H03K 17/567
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11811021

AN ARRANGEMENT FOR CONTROLLING THE ELECTRIC POWER TRANSMISSION IN A HVDC POWER TRANSMISSION SYSTEM

IPC classification:
H02J 1/10, H02J 3/36
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION IN PROGRESS
EP11799430

BLACK START OF A MODULAR MULTILEVEL VOLTAGE SOURCE CONVERTER

IPC classification:
H02M 1/36
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION IN PROGRESS
EP11784631

A CONVERTER CELL AND ASSOCIATED CONVERTER ARM AND METHOD

IPC classification:
H02M 7/49
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12704373

A METHOD FOR MELTING STEEL

IPC classification:
C21C 5/52
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11727430

A METHOD FOR CONTROLLING POWER FLOW WITHIN A WIND PARK SYSTEM, CONTROLLER, COMPUTER PROGRAM AND COMPUTER PROGRAM PRODUCTS

IPC classification:
H02J 3/04, H02J 3/36, H02J 3/46
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10754946

AN APPARATUS FOR CONTROLLING THE ELECTRIC POWER TRANSMISSION IN A HVDC POWER TRANSMISSION SYSTEM

IPC classification:
H02J 3/36
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11718411

POWER MODULE AND METHOD OF OPERATING A POWER MODULE

IPC classification:
H03K 17/082, H03K 17/10, H03K 17/12
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
APPLICATION WITHDRAWN
EP12701250

WIND PARK WITH REAL TIME WIND SPEED MEASUREMENTS

IPC classification:
F03D 7/04, F03D 11/00
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11727444

A METHOD IN AN ELECTRIC POWER SYSTEM, CONTROLLER, COMPUTER PROGRAM, COMPUTER PROGRAM PRODUCT AND ELECTRIC POWER SYSTEM

IPC classification:
G05F 1/66, H02J 3/18, H02J 3/24
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11732487

POWER SYSTEM FOR VESSELS

IPC classification:
B63H 23/24, B63H 25/42
Applicant:
ABB AS
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11808663

MODULAR VOLTAGE SOURCE CONVERTER

IPC classification:
H02M 7/483, H02M 7/5387
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP11711917

FAST BREAKER FAILURE DETECTION FOR HVDC CIRCUIT BREAKERS

IPC classification:
H01H 71/00, H02H 3/087, H02H 7/22, H02H 7/26, H02H 7/30
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13163894

A method and a control system for controlling a melting and refining process

IPC classification:
C21C 5/52, C22B 4/08, F27B 3/28, F27D 19/00, F27D 27/00
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12707995

A METHOD AND AN APPARATUS FOR DETECTING A FAULT IN AN HVDC POWER TRANSMISSION SYSTEM

IPC classification:
G01R 31/02, G01R 31/08, H02H 7/26
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13706035

A METHOD OF TESTING THE INTEGRETY OF A SECOND SEAL OF AN ELECTRICAL INSULATOR

IPC classification:
G01M 3/22, H01B 17/36, H02B 13/065
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP11738409

VOLTAGE SURGE PROTECTION DEVICE AND HIGH VOLTAGE CIRCUIT BREAKERS

IPC classification:
H01C 7/12, H01H 37/74, H02H 9/04
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11726775

GATE CONTROL CIRCUIT, POWER MODULE AND ASSOCIATED METHOD

IPC classification:
H03K 17/10, H03K 17/12, H03K 17/78
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11715239

METHOD AND SYSTEM FOR CONTROLLING AN INDUSTRIAL SYSTEM

IPC classification:
G05B 19/409, G05B 23/02
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12718625

PASSIVE CIRCUIT FOR IMPROVED FAILURE MODE HANDLING IN POWER ELECTRONICS MODULES

IPC classification:
H02M 7/5387, H03K 17/082
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12723410

BATTERY ENERGY STORAGE AND POWER SYSTEM

IPC classification:
H01M 10/00, H02J 3/28, H02J 3/32, H02M 1/14, H02M 1/42
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP12723156

A BATTERY ENERGY STORAGE, BATTERY ENERGY STORAGE SYSTEM, METHOD, COMPUTER PROGRAM AND COMPUTER PROGRAM PRODUCT

IPC classification:
H02J 3/32, H02J 7/00, H02M 3/07, H02M 7/48
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13185907

Transmitting data packets in an industrial wireless network

IPC classification:
H04W 28/02, H04W 84/18
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP12727355

POWER SYSTEM AND METHOD OF OPERATING A POWER SYSTEM

IPC classification:
H02J 3/38
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP12769038

A FILTER APPARATUS, A METHOD FOR FILTERING HARMONICS IN AN ELECTRICAL POWER TRANSMISSION OR DISTRIBUTION SYSTEM, AND SUCH A SYSTEM

IPC classification:
H02J 3/01, H02J 3/36
Applicant:
ABB Technology Ltd.
Agent:
Multiple attorneys, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12727370

BYPASS SWITCH ASSEMBLY

IPC classification:
H01H 39/00
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP12735814

A HIGH VOLTAGE CURRENT INTERRUPTED AND AN ACTUATOR SYSTEM FOR A HIGH VOLTAGE CURRENT INTERRUPTOR

IPC classification:
H01H 3/60, H01H 33/666
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12742819

METHODS AND DEVICES FOR SECURITY KEY RENEWAL IN A COMMUNICATION SYSTEM

IPC classification:
H04L 9/08
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP12745866

LATENCY DETERMINATION IN SUBSTATION NETWORKS

IPC classification:
H04J 3/06, H04L 12/26
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP12753416

CHAIN- LINK CONVERTER SYSTEM WITH DIFFERENT DC- SOURCES AND METHOD FOR OPERATION

IPC classification:
H02J 3/38, H02M 7/49
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION IN PROGRESS
EP12755820

APPARATUS ARRANGED TO BREAK AN ELECTRICAL CURRENT

IPC classification:
H01H 9/54, H01H 33/00, H01H 33/16
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP12751075

A CONVERTER DEVICE AND CORRESPONDING METHOD

IPC classification:
H02J 3/36, H02M 3/158, H02M 7/49
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP12798198

APPARATUS AND METHOD FOR FILTERING HARMONICS IN RAILWAY CONTACT LINES

IPC classification:
H02J 3/01, H02M 1/12, H02M 7/483
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP12794299

THYRISTOR BASED VOLTAGE SOURCE CONVERTER

IPC classification:
H02M 7/48, H02M 7/483, H02M 7/487
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Multiple attorneys, ABB AB
Status:
The patent has been granted
EP12794295

A MULTILEVEL CONVERTER WITH CELLS BEING SELECTED BASED ON PHASE ARM CURRENT

IPC classification:
H02M 7/483
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
The patent has been granted
EP09765111

I/O MODULE

IPC classification:
H01R 9/26, H02J 13/00
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10751688

FAULT PROTECTION OF HVDC TRANSMISSION LINES

IPC classification:
H02H 3/38, H02H 3/42, H02H 3/44, H02H 7/26
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13712283

CIRCUIT BREAKING ARRANGEMENT

IPC classification:
H01H 33/59
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP12158342

A tap selector and a method for assembling a tap selector

IPC classification:
H01H 9/00, H01H 11/06
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13727614

A CONVERTER ARRANGEMENT FOR POWER COMPENSATION AND A METHOD FOR CONTROLLING A POWER CONVERTER

IPC classification:
H02J 3/18, H02J 3/32, H02M 7/49
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Agent:
Kenneth Ahrengart, ABB AS
Status:
GRANT OF PATENT INTENDED
EP13730205

ARRANGEMENT, METHOD AND COMPUTER PROGRAM PRODUCT CONCERNED WITH TAPPING OF POWER FROM A DC POWER LINE TO AN AC POWER LINE

IPC classification:
H02M 7/19, H02M 7/25, H02M 7/483
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP13730197

A POWER CONVERTER WITH OIL FILLED REACTORS

IPC classification:
H02G 5/06, H02M 7/00, H02M 7/483
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP13730868

MUSHROOM-SHAPED HIGH VOLTAGE ELECTRODE

IPC classification:
H01T 19/02
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION IN PROGRESS
EP11733614

AN HVDC SWITCHYARD AND AN HVDC SWITCHYARD SYSTEM

IPC classification:
H01H 33/59, H02H 7/125, H02H 7/26
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10757586

DIGITAL INPUT WITH VARIABLE IMPEDANCE

IPC classification:
G01R 31/30, G01R 31/317, H03K 5/1252
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11711930

ELECTRICAL BUSHING

IPC classification:
H01B 17/28
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11171646

Improved foil design for a high voltage capacitor bushing

IPC classification:
H01B 17/28
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP10763731

METHOD FOR COMMUNICATION IN A HVDC POWER TRANSMISSION SYSTEM, CONTROLLER UNIT AND COMPUTER PROGRAM PRODUCT

IPC classification:
H02J 3/36
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Agent:
Kenneth Ahrengart, ABB AS
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10719941

A HIGH VOLTAGE DC BREAKER APPARATUS

IPC classification:
H01H 9/54, H01H 33/59
Applicant:
ABB Technology AG
Agent:
Zimmermann & Partner Patentanwälte mbB
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP11720431

A HIGH VOLTAGE DC BREAKER APPARATUS

IPC classification:
H01H 9/54, H01H 33/59
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11168339

Pressing of transformer windings during active part drying

IPC classification:
H01F 27/00
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT REVOKED
EP09799634

BATTERY ENERGY STORAGE SYSTEM WITH SHORT CIRCUIT PROTECTION, AND METHOD

IPC classification:
H02J 7/00
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10735255

DEVICE AND METHOD FOR DETECTING A GROUND FAULT

IPC classification:
G01R 27/16, G01R 27/18, G01R 31/02, G01R 31/06, G01R 31/34, H02H 5/10, H02H 11/00
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Agent:
Kenneth Ahrengart, ABB AS
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11729385

METHOD AND ARRANGEMENT FOR CAPACITOR BANK PROTECTION

IPC classification:
H02H 7/16, H02J 3/18
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10729875

SELECTOR SWITCH MECHANISM WITH COMPENSATION FOR POSITION OF THE CAM SLOT

IPC classification:
H01H 9/00, H01H 33/66
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10731497

METHOD AND CONTROL DEVICE FOR CONTROLLING POWER FLOW WITHIN A DC POWER TRANSMISSION NETWORK

IPC classification:
H02J 1/10, H02J 1/14, H02J 3/36
Applicant:
ABB Research Ltd
Agent:
Multiple attorneys, ABB AB
Status:
Patent maintained as amended
EP10713142

AN ELECTRIC PLANT WITH CAPACITY TO CHARGE ELECTRIC BATTERIES

IPC classification:
B60L 11/18, H02J 7/00, H02J 7/02, H02J 7/35, H02M 7/483, H02M 7/49
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10725809

A MULTI-TERMINAL DC TRANSMISSION SYSTEM AND METHOD AND MEANS FOR CONTROL THEREOF

IPC classification:
H02J 1/12, H02J 3/36, H02M 7/757
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Agent:
Hoffmann Eitle PartmbB
Status:
PATENT GRANTED
EP10722037

A PLANT FOR TRANSMITTING HIGH VOLTAGE DC ELECTRIC POWER INCLUDING OVERVOLTAGE PROTECTION

IPC classification:
H02H 3/02, H02H 7/26, H02J 3/36
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10726940

AN ENERGY EFFICIENT METHOD FOR COMMUNICATION BETWEEN A WIRELESS SENSOR NETWORK AND AN INDUSTRIAL CONTROL SYSTEM

IPC classification:
H04L 29/06, H04W 12/02, H04W 88/16
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10713679

MODULAR MULTI-LEVEL POWER CONVERTER WITH SECOND AND THIRD ORDER HARMONICS REDUCTION FILTER

IPC classification:
H02M 1/12, H02M 1/14, H02M 7/49
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10752349

METHOD AND SYSTEM FOR DISCONNECTING A GENERATOR FROM A POWER SYSTEM

IPC classification:
H02H 3/02, H02H 3/48, H02H 7/06, H02J 3/38
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12158241

A tap changer and a method related thereto

IPC classification:
H01H 3/44, H01H 9/00
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10709181

WIRELESS COMMUNICATION BETWEEN TWO TEMPORARILY CONNECTED DEVICES

IPC classification:
G07B 15/06, H04W 8/00
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10707011

AC/DC CONVERTER STATION AND A METHOD OF OPERATING AN AC/DC CONVERTER STATION

IPC classification:
H02J 3/36, H02M 7/757
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10796405

METHOD AND SYSTEM FOR MONITORING AN INDUSTRIAL SYSTEM INVOLVING AN EYE TRACKING SYSTEM

IPC classification:
G02B 27/00, G05B 23/02, G06F 3/01
Applicant:
ABB Research Ltd
Agent:
Multiple attorneys, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10771157

VOLTAGE BALANCING OF SYMMETRIC HVDC MONOPOLE TRANSMISSION LINES AFTER EARTH FAULTS

IPC classification:
H02H 7/12, H02J 3/36, H02M 1/32
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10731730

METHOD AND SYSTEM FOR A PRE-SELECTOR IN A TAP CHANGER

IPC classification:
H01H 9/00, H01H 19/11, H01H 29/02
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13789755

GROUND SYSTEM FOR HIGH VOLTAGE SEMICONDUCTOR VALVE

IPC classification:
H01L 23/473, H01L 25/11
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION IN PROGRESS
EP10778663

VOLTAGE CONVERTING APPARATUS AND METHOD FOR CONVERTING A VOLTAGE

IPC classification:
H02M 1/088, H03K 17/0422, H03K 17/10
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11185882

A pre-selector actuating device for a pre-selector in a tap changer

IPC classification:
H01H 9/00
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10751689

BREAKER FAILURE PROTECTION OF HVDC CIRCUIT BREAKERS

IPC classification:
H02H 3/05, H02H 3/44, H02H 7/26, H02H 7/30
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Agent:
Hoffmann Eitle PartmbB
Status:
PATENT GRANTED
EP10719592

AN ENERGY STORAGE DEVICE FOR A POWER COMPENSATOR AND A METHOD FOR CONTROL THEREOF

IPC classification:
H02J 7/00
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10719595

A HIGH VOLTAGE DC SWITCHYARD WITH SEMICONDUCTOR SWITCHES

IPC classification:
H02B 1/20, H02J 3/36
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology AG
Agent:
Zimmermann & Partner Patentanwälte mbB
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP13821102

CIRCUIT BREAKING ARRANGEMENT

IPC classification:
H02H 3/05, H02H 7/26, H02J 3/36, H03K 17/10, H03K 17/12
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION REQUESTED
EP09765132

A DC POWER SOURCE FOR A HIGH VOLTAGE POWER APPARATUS

IPC classification:
H02J 3/18, H02M 1/00, H02M 1/32
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP11161015

Tap changer

IPC classification:
H01H 9/00, H05K 9/00
Applicant:
ABB Technology Ltd.
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP14707805

MULTILEVEL CONVERTER

IPC classification:
H02M 7/00, H02M 7/48, H02M 7/483
Applicant:
ABB Schweiz AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION REQUESTED
EP09775168

LINE FAULT DETECTOR

IPC classification:
G01R 31/11, H02H 5/10, H02H 7/26, H02J 3/36
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10703179

INSULATION IN A POWER TRANSMISSION SYSTEM

IPC classification:
H02M 7/521
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT

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