Representative before the EPO

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2 offices
Technology Company

Representative before the EPO

Technology company logo thumb
no operation time available
2 offices
Technology Company

Representative before the EPO

Employment test 201 - 500 employees
Company dna awapatent
operating since 1897
1301.46
AWA
Headquarter in Malmö and 16 offices
active in Legal Services, IP Consulting, and IP Portfolio Processing

We have observed 76 EP applications Kenneth Ahrengart has served for within the last five+ years. (We consider all applications which have an EP A1 or A2 publication dated after June 30, 2013). Please note, that we only count EP applications, in which the name of the patent attorney is explicitly mentioned as representative. These EP applications are:

EP10765639

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

IPC classification:
H02M 7/483, H02M 7/48, H02J 3/36, H02M 7/537
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology AG
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 9/04, H02H 7/08
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:
H02M 7/797, H02J 3/32
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APPLICATION WITHDRAWN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:
H05B 6/34, F27D 21/00, F27D 19/00, C21C 5/52
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:
H01B 17/14, G01M 3/22, 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 7/48, H02M 1/36
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 3/18, H02J 3/01
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:
H02M 3/335, H02J 3/36
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:
H02P 29/02, H02H 7/09, H02H 3/253, G01R 31/34
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 25/11, H01L 25/07, H01L 23/051, H01L 23/02
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 7/14, E02D 7/06
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11728625

IMPROVED RELIABILITY IN SEMICONDUCTOR DEVICE CONTROL

IPC classification:
H02M 1/092, H02H 3/05
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:
H02H 7/26, G01R 31/08
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:
H02J 3/36, H02H 7/26
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 33/59, H01H 9/54
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:
H02M 7/797, H02M 7/49, H02J 3/36, H02J 1/10
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:
H02H 7/26, G01R 31/08
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11749385

ALARM VISUALIZATION

IPC classification:
G05B 23/02, G05B 13/02
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
Patent maintained as amended
EP11787676

INTELLIGENT GATE DRIVER FOR IGBT

IPC classification:
H03K 17/567, H03K 17/18, H03K 17/082, H03K 17/0812
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 3/36, H02J 1/10
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
The patent has been granted
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
EP11799430

BLACK START OF A MODULAR MULTILEVEL VOLTAGE SOURCE CONVERTER

IPC classification:
H02M 1/36
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION IN PROGRESS
EP11727430

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

IPC classification:
H02J 3/46, H02J 3/36, H02J 3/04
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
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
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 17/12, H03K 17/10, H03K 17/082
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
APPLICATION WITHDRAWN
EP11727444

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

IPC classification:
H02J 3/24, H02J 3/18, G05F 1/66
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12701250

WIND PARK WITH REAL TIME WIND SPEED MEASUREMENTS

IPC classification:
F03D 11/00, F03D 7/04
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11732487

POWER SYSTEM FOR VESSELS

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

MODULAR VOLTAGE SOURCE CONVERTER

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

FAST BREAKER FAILURE DETECTION FOR HVDC CIRCUIT BREAKERS

IPC classification:
H02H 7/30, H02H 7/26, H02H 7/22, H02H 3/087, H01H 71/00
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:
F27D 27/00, F27D 19/00, F27B 3/28, C22B 4/08, C21C 5/52
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:
H02H 7/26, G01R 31/08, G01R 31/02
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:
H02B 13/065, H01B 17/36, G01M 3/22
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
GRANT OF PATENT INTENDED
EP11738409

VOLTAGE SURGE PROTECTION DEVICE AND HIGH VOLTAGE CIRCUIT BREAKERS

IPC classification:
H02H 9/04, H01H 37/74, H01C 7/12
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 17/78, H03K 17/12, H03K 17/10
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 23/02, G05B 19/409
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:
H03K 17/082, H02M 7/5387
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12723410

BATTERY ENERGY STORAGE AND POWER SYSTEM

IPC classification:
H02M 1/42, H02M 1/14, H02J 3/32, H02J 3/28, H01M 10/00
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:
H02M 7/48, H02M 3/07, H02J 7/00, H02J 3/32
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 84/18, H04W 28/02
Applicant:
ABB Research Ltd
Agent:
Kenneth Ahrengart, ABB AB
Status:
The patent has been granted
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 3/36, H02J 3/01
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 33/666, H01H 3/60
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:
H04L 12/26, H04J 3/06
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:
H02M 7/49, H02J 3/38
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION IN PROGRESS
EP12755820

APPARATUS ARRANGED TO BREAK AN ELECTRICAL CURRENT

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

A CONVERTER DEVICE AND CORRESPONDING METHOD

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

APPARATUS AND METHOD FOR FILTERING HARMONICS IN RAILWAY CONTACT LINES

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

THYRISTOR BASED VOLTAGE SOURCE CONVERTER

IPC classification:
H02M 7/487, H02M 7/483, H02M 7/48
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology Ltd.
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
EP13712283

CIRCUIT BREAKING ARRANGEMENT

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

A tap selector and a method for assembling a tap selector

IPC classification:
H01H 11/06, H01H 9/00
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:
H02M 7/49, H02J 3/18, H02J 3/32
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology Ltd.
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 7/483, H02M 7/25, H02M 7/19
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
PATENT GRANTED
EP13730197

A POWER CONVERTER WITH OIL FILLED REACTORS

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

MUSHROOM-SHAPED HIGH VOLTAGE ELECTRODE

IPC classification:
H01T 19/02
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION IN PROGRESS
EP10757586

DIGITAL INPUT WITH VARIABLE IMPEDANCE

IPC classification:
H03K 5/1252, G01R 31/30, G01R 31/317
Applicant:
ABB Technology AG
Agent:
Kenneth Ahrengart, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
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
EP10752349

METHOD AND SYSTEM FOR DISCONNECTING A GENERATOR FROM A POWER SYSTEM

IPC classification:
H02H 7/06, H02H 3/48, H02J 3/38, H02H 3/02
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
EP10771157

VOLTAGE BALANCING OF SYMMETRIC HVDC MONOPOLE TRANSMISSION LINES AFTER EARTH FAULTS

IPC classification:
H02J 3/36, H02M 1/32, H02H 7/12
Applicant:
ABB Technology AG
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, G06F 3/01, G05B 23/02
Applicant:
ABB Research Ltd
Agent:
Multiple attorneys, ABB AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13789755

GROUND SYSTEM FOR HIGH VOLTAGE SEMICONDUCTOR VALVE

IPC classification:
H01L 25/11, H01L 23/473
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology Ltd.
Agent:
Kenneth Ahrengart, ABB AB
Status:
EXAMINATION IN PROGRESS
EP13821102

CIRCUIT BREAKING ARRANGEMENT

IPC classification:
H02H 3/05, H03K 17/12, H03K 17/10, H02J 3/36, H02H 7/26
Applicant:
ABB Schweiz AG
Applicant:
ABB Technology Ltd.
Agent:
Multiple attorneys, ABB AB
Status:
The patent has been granted
EP14707805

MULTILEVEL CONVERTER

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

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