Representative before the EPO

Employment test 51 - 200 employees
Company dna dehns ltd
operating since 1920
1166.75
Headquarter in London and 4 offices
active in Legal Services, IP Consulting, and IP Portfolio Processing

Andrew Peter Chiva has worked on the following 76 EPO patent applications which have been published in the last five years:

EP10801503

METHOD OF FRACTURING SUBTERRANEAN FORMATIONS WITH CROSSLINKED FLUID

IPC classification:
C09K 8/68
Applicant:
Baker Hughes Incorporated
Agent:
Multiple attorneys, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP11700585

CONTROL SYSTEM, SECURITY SYSTEM AND METHOD OF MONITORING A LOCATION

IPC classification:
G08B 13/24, G08B 25/00
Applicant:
UTC Fire & Security Americas Corporation, Inc.
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP11810012

SMALL CORE GENERATION AND ANALYSIS AT-BIT AS LWD TOOL

IPC classification:
E21B 25/00, E21B 49/08
Applicant:
Baker Hughes Incorporated
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP12708571

A PLASMA BASED SURFACE AUGMENTATION METHOD

IPC classification:
H01J 37/32
Applicant:
Innovation Ulster Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP12733187

METHOD AND APPARATUS FOR GENERATING SPECTRAL DATA

IPC classification:
H01J 49/00, H01J 49/42
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP12826324

APPARATUS AND METHOD FOR CONTROLLING A COMPLETION OPERATION

IPC classification:
E21B 47/04, E21B 47/12, E21B 47/26, E21B 49/00
Applicant:
Baker Hughes Incorporated
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP12826315

DRILL BIT MOUNTED DATA ACQUISITION SYSTEMS AND ASSOCIATED DATA TRANSFER APPARATUS AND METHOD

IPC classification:
E21B 47/01, E21B 47/14
Applicant:
Baker Hughes Incorporated
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP13182470

Apparatus and methods for providing information about one or more subterranean variables

IPC classification:
E21B 43/267, E21B 47/01, E21B 49/00, G01V 1/40, G01V 3/18
Applicant:
Baker Hughes Incorporated
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14164853

Bicycle user interface system and method of operation thereof

IPC classification:
B62K 21/08, B62K 25/04, F16F 9/32, F16F 9/44
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12823927

DEGRADABLE NO-GO COMPONENT

IPC classification:
E21B 17/02, E21B 19/16
Applicant:
Baker Hughes Incorporated
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP12854104

INFORMATION SEARCHING METHOD AND SYSTEM

IPC classification:
G06F 17/30
Applicant:
Tencent Technology Shenzhen Company Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP12819125

ION MOBILITY SEPARATION DEVICE WITH MOVING EXIT APERTURE

IPC classification:
G01N 27/62, H01J 49/06
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP12821120

ION MOBILITY SEPARATION DEVICE

IPC classification:
G01N 27/62, H01J 49/06, H01J 49/42
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP13187012

Software defined networking systems and methods via a path computation and control element

IPC classification:
H04L 12/24, H04L 12/717, H04L 12/751
Applicant:
Ciena Corp
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP13746632

METHOD, SYSTEM AND DEVICE FOR SEARCHING A USER IN A SOCIAL NETWORK

IPC classification:
H04L 29/08
Applicant:
Tencent Technology Shenzhen Company Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP13160201

Fuel cell flow field channel with partially closed end

IPC classification:
H01M 8/02, H01M 8/04
Applicant:
United Technologies Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP08795469

DUAL WAVELENGTH STRAIN-TEMPERATURE BRILLOUIN SENSING SYSTEM AND METHOD

IPC classification:
G01D 5/353, G01K 11/32
Agent:
Multiple attorneys, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP14164855

Bicycle user interface system and method of operation thereof

IPC classification:
B62K 21/08, B62K 25/04
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14753190

DOUBLE-WALLED, VACUUM-INSULATED CONTAINER

IPC classification:
A47J 41/00, B65D 6/10, B65D 23/02
Agent:
Andrew Peter Chiva, Dehns Ltd
Agent:
Kelda Camilla Karen Style, Page White & Farrer
Status:
GRANT OF PATENT INTENDED
EP10838742

METHOD AND APPARATUS FOR CONNECTING THE FIRE EXTINGUISHING SYSTEM OF A MOBILE UNIT TO AN EXTERNAL MEDIUM SOURCE

IPC classification:
A62C 3/07, A62C 35/58, A62C 35/68
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP13789894

CAGE ASSEMBLY FOR TIBIAL TUBEROSITY ADVANCEMENT PROCEDURE

IPC classification:
A61B 17/68, A61B 17/80
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP12816482

INTELLIGENT SPRINKLER SYSTEM SECTION VALVE

IPC classification:
A62C 35/60, A62C 35/64, A62C 35/68
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP14711863

LOCK CORE WITH RECESSED POP OUT KNOB

IPC classification:
E05B 5/00, E05B 47/00, E05B 47/06
Applicant:
UTC Fire & Security Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14710625

A DDA EXPERIMENT WITH REDUCED DATA PROCESSING

IPC classification:
G01N 27/62, H01J 49/00
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14779611

CRANK SPINDLE ASSEMBLY AND METHOD OF FABRICATION

IPC classification:
B21D 53/86, B62M 3/00
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14711843

COAXIAL ION GUIDE

IPC classification:
G01N 27/62, H01J 49/06, H01J 49/42
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14724822

ELECTRONIC LOCK WITH SELECTABLE POWER SOURCES

IPC classification:
G07C 9/00
Applicant:
UTC Fire & Security Americas Corporation, Inc.
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14722477

SECURE ELECTRONIC LOCK

IPC classification:
G06F 21/36, G06F 21/83, G06F 21/84, G06F 21/88, G07C 1/20, G07C 9/00
Applicant:
UTC Fire & Security Americas Corporation, Inc.
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14782974

LOW-COST, COMPACT SECURITY MONITORING

IPC classification:
G08B 13/19, G08B 13/196, H04N 5/33
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14718718

IMPROVED ION MOBILITY SPECTROMETER

IPC classification:
G01N 27/62
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14725525

METHOD OF GENERATING ELECTRIC FIELD FOR MANIPULATING CHARGED PARTICLES

IPC classification:
H01J 49/40, H01J 49/42
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP10859097

OXYGEN MEASURING APPARATUSES

IPC classification:
F22B 37/38, F23L 7/00, F23N 1/02, F23N 3/00, G01N 33/22
Applicant:
UTC Fire & Security Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
APPLICATION WITHDRAWN
EP14731337

METHOD AND APPARATUS FOR REACTING IONS

IPC classification:
H01J 49/00, H01J 49/06
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION IN PROGRESS
EP13745866

AIR INDUCTION NOZZLE

IPC classification:
A62C 5/00, A62C 31/02, A62C 99/00
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP14742131

RADIO FREQUENCY HARVESTER ASSEMBLY

IPC classification:
H01Q 1/24, H01Q 1/36, H01Q 21/06, H01Q 21/24
Applicant:
UTC Fire & Security Americas Corporation, Inc.
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP14831488

IMPROVEMENTS IN CENTRAL STATION CONNECTIVITY

IPC classification:
H04L 12/46
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP14772185

INTERFACE FOR ION SOURCE AND VACUUM HOUSING

IPC classification:
H01J 49/02, H01J 49/04, H01J 49/10
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP14772187

AUTOMATED CLEANLINESS DIAGNOSTIC FOR MASS SPECTROMETER

IPC classification:
H01J 49/00, H01J 49/06
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
The patent has been granted
EP14772186

PROBE ASSEMBLY FOR ATTACHING A CHROMATOGRAPHY DEVICE TO A MASS SPECTROMETER

IPC classification:
G01N 30/72, H01J 49/04
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP14772183

PEAK ASSESSMENT FOR MASS SPECTROMETERS

IPC classification:
H01J 49/00
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP14784360

MS/MS ANALYSIS USING ECD OR ETD FRAGMENTATION

IPC classification:
H01J 49/00
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
GRANT OF PATENT INTENDED
EP14761546

SYSTEMS AND METHODS FOR LOCKING DEVICE MANAGEMENT INCLUDING TIME DELAY POLICIES USING RANDOM TIME DELAYS

IPC classification:
E05B 43/00, G07C 9/00
Applicant:
UTC Fire & Security Americas Corporation, Inc.
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP13798363

ANTI-LIGATURE NOZZLE

IPC classification:
A62C 31/28, A62C 37/14
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14790279

CHARGE-STRIPPING OF MULTIPLY-CHARGED IONS

IPC classification:
H01J 49/00
Applicant:
Micromass UK Limited
Applicant:
The University of British Columbia
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP10847122

SEAMLESS AUTHENTICATION SYSTEM

IPC classification:
G07C 9/00
Agent:
Multiple attorneys, Dehns Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14799850

DATA DEPENDENT MS/MS ANALYSIS

IPC classification:
G01N 15/00, G01N 27/62, H01J 49/00
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14799849

METHOD OF CORRELATING PRECURSOR AND FRAGMENT IONS

IPC classification:
G01N 27/62, H01J 49/00
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14792940

SECURITY PANEL WITH VIRTUAL SENSORS

IPC classification:
G05B 15/02, G05B 23/02, G08B 13/12, G08B 13/24, G08B 25/14, H04L 12/28, H04N 21/436
Applicant:
UTC Fire & Security Americas Corporation, Inc.
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP10739785

DETECTION CIRCUIT, DETECTION SYSTEM, AND METHOD OF ASSEMBLING A DETECTION SYSTEM

IPC classification:
G08B 29/06, G08B 29/24
Applicant:
UTC Fire & Security Americas Corporation, Inc.
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP16150960

SURGICAL PNEUMATIC MOTOR

IPC classification:
F01C 1/344, F01C 21/06
Agent:
Multiple attorneys, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP16165255

MASS DETERMINATION USING ION MOBILITY MEASUREMENTS

IPC classification:
G01N 27/62, H01J 49/00
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP14803269

SELECTIVE INTRUSION DETECTION SYSTEMS

IPC classification:
G01S 7/41, G01S 13/04, G01S 13/38, G01S 13/56
Applicant:
UTC Fire & Security Americas Corporation, Inc.
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP15748871

SPRAY DELIVERY DEVICE

IPC classification:
B65D 83/06, B65D 83/14, B65D 83/32
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP16177138

DETECTOR UTILIZING AN ADJUSTMENT SCREW AND A BELLOWS

IPC classification:
H01H 35/24, H01H 35/26, H01H 35/32
Applicant:
Kidde Technologies, Inc.
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
Request for examination was made
EP16189064

A SYSTEM, APPARATUS AND METHOD TO FACILITATE ALARM SYSTEM COMMUNICATION

IPC classification:
G08B 25/10, H04L 12/46, H04L 12/66
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
APPLICATION PUBLISHED
EP16190398

FIRE ALARM DEVICE

IPC classification:
G08B 25/12
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
APPLICATION PUBLISHED
EP16191602

INDUCTIVE CHARGING FOR A VEHICLE

IPC classification:
B60L 11/18
Applicant:
Carrier Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
APPLICATION PUBLISHED
EP14744613

WATER MIST FIRE SUPPRESSION DEVICE AND METHOD OF MANUFACTURING

IPC classification:
A62C 31/02, A62C 31/05, A62C 99/00
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
EXAMINATION REQUESTED
EP15774949

ACCURATE MOBILITY CHROMATOGRAMS

IPC classification:
H01J 49/00
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
Request for examination was made
EP15784434

MASS SPECTROMETRY FOR DETERMINING IF A MUTATED VARIANT OF A TARGET PROTEIN IS PRESENT IN A SAMPLE

IPC classification:
G01N 33/68, H01J 49/00
Applicant:
Micromass UK Limited
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
Request for examination was made
EP15760567

ADVANCED IDENTIFICATION TECHNIQUES FOR SECURITY AND SAFETY SYSTEMS

IPC classification:
G01S 13/87, G01S 13/88, G08B 13/187
Applicant:
UTC Fire & Security Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
Request for examination was made
EP17155460

PNEUMATIC FIRE DETECTORS

IPC classification:
G08B 17/04
Applicant:
Kidde Technologies, Inc.
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
The application has been published
EP15753835

DEVICE FOR PROVIDING WIRELESS ENERGY TRANSFER

IPC classification:
H01Q 7/00, H01Q 11/08, H01Q 15/02, H01Q 19/06
Applicant:
UTC Fire & Security Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
Request for examination was made
EP17160082

TURBINE ENGINE BLADE OUTER AIR SEAL WITH LOAD TRANSMITTING COVER PLATE

IPC classification:
F01D 5/28, F01D 9/04, F01D 11/08, F01D 11/12, F01D 25/24
Applicant:
United Technologies Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
The application has been published
EP17160070

SEAL ASSEMBLY FOR GAS TURBINE ENGINE

IPC classification:
F01D 11/08, F01D 11/14, F01D 11/18, F01D 25/24
Applicant:
United Technologies Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
The application has been published
EP17160063

BOAS SEGMENTED HEAT SHIELD

IPC classification:
F01D 11/08, F02C 7/28
Applicant:
United Technologies Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
The application has been published
EP17160062

BLADE OUTER AIR SEAL WITH FLOW GUIDE MANIFOLD

IPC classification:
F01D 9/06, F01D 11/00, F01D 11/08, F01D 25/12, F02C 7/28
Applicant:
United Technologies Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
The application has been published
EP17160076

BOAS ENHANCED HEAT TRANSFER SURFACE

IPC classification:
F01D 9/04, F01D 11/08, F01D 25/24
Applicant:
United Technologies Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
The application has been published
EP17160067

BLADE OUTER AIR SEAL WITH A HEAT SHIELD

IPC classification:
F01D 9/04, F01D 11/08, F01D 25/24
Applicant:
United Technologies Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
The application has been published
EP17160069

BLADE OUTER AIR SEAL WITH SPRING CENTERING

IPC classification:
F01D 9/04, F01D 11/08, F01D 25/24
Applicant:
United Technologies Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
The application has been published
EP17160084

TURBINE ENGINE BLADE OUTER AIR SEAL WITH LOAD-TRANSMITTING CARRIAGE

IPC classification:
F01D 11/08, F01D 25/24
Applicant:
United Technologies Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
The application has been published
EP17160060

SEAL ANTI-ROTATION FEATURE

IPC classification:
F01D 5/28, F01D 9/04, F01D 11/08, F01D 11/12, F01D 25/24
Applicant:
United Technologies Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
The application has been published
EP17160058

SEAL ARC SEGMENT WITH ANTI-ROTATION FEATURE

IPC classification:
F01D 5/28, F01D 9/04, F01D 11/08, F01D 11/12, F01D 25/24
Applicant:
United Technologies Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
The application has been published
EP14809663

AUTOMATICALLY DEPLOYED FIRE SUPPRESSION SPRINKLER

IPC classification:
A62C 37/09
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
Request for examination was made
EP17166104

LOOP REACTOR FOR MAKING BROMIDES

IPC classification:
B01J 19/24, C01B 9/04, C01D 3/10, C01D 15/04, C01F 5/36, C01F 11/34
Applicant:
Chemtura Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
The application has been published
EP17160057

BLADE OUTER AIR SEAL WITH CENTRALLY MOUNTED SEAL ARC SEGMENTS

IPC classification:
F01D 11/12
Applicant:
United Technologies Corporation
Agent:
Andrew Peter Chiva, Dehns Ltd
Status:
The application has been published

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