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Krystyna Chochorowska-Winiarska has worked on the following 59 EPO patent applications which have been published in the last five years:

EP11460039

A system protecting electric equipment against disconnection from the power supply network

IPC classification:
H01R 13/639, H01R 13/703, H01R 13/713
Applicant:
ABB Technology AG
Applicant:
ABB Schweiz AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
EXAMINATION IN PROGRESS
EP11460025

A method and a system for protecting a power transformer against voltage surges while the circuit breaker is opening

IPC classification:
H02H 7/04, H02H 9/00
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11460034

A method of selecting between internal and external faults in parallel lines using one-end measurements

IPC classification:
H02H 7/26
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11460033

A method of selecting between faulted and healthy circuits in parallel lines using one-end measurements

IPC classification:
G01R 31/08
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12460023

A modular electric system located under water

IPC classification:
E21B 33/035, E21B 33/037, E21B 41/00, E21B 47/01, H02J 3/36, H05K 5/06
Applicant:
ABB Technology AG
Applicant:
ABB Schweiz AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
GRANT OF PATENT INTENDED
EP11460038

Power distribution switchgear circuit breaker

IPC classification:
H01H 1/38, H01H 33/664, H01H 33/666
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11460043

A method of distance protection of parallel transmission line

IPC classification:
H02H 7/26
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11460047

An integrated support for fixing electrical buses

IPC classification:
H02B 13/035, H02G 5/02
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11460050

A method of determining stationary signals for the diagnostics of an electromechanical system

IPC classification:
G01R 31/34
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12730154

POWER DISTRIBUTION SWITCHGEAR CIRCUIT BREAKER

IPC classification:
H01H 1/38, H01H 33/664, H01H 33/666
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
GRANT OF PATENT INTENDED
EP11460057

A method of assessing the technical condition of a rotating shaft

IPC classification:
G01H 1/00
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12460079

A method for controlling arc ignition in the intercontact break of a disconnector during the operation of opening and closing the disconnector

IPC classification:
H01H 31/32, H01T 2/00, H02B 13/035, H02H 9/00
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12460088

A subsea system with ride-through protecion

IPC classification:
H02H 3/02, H02H 7/26
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12769321

A METHOD OF DETERMINING STATIONARY SIGNALS FOR THE DIAGNOSTICS OF AN ELECTROMECHANICAL SYSTEM

IPC classification:
G01R 31/34
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13460005

Transformer windings support

IPC classification:
H01F 27/30
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13460009

Method for manufacturing a stacked triangular core transformer

IPC classification:
H01F 27/245, H01F 27/26, H01F 27/30, H01F 41/02
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13460022

A device for detecting a difference between currents in an electric circuit

IPC classification:
H01H 71/32, H01H 83/14, H02H 3/32
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12460091

A method of out of step detection in electrical power network

IPC classification:
G01R 29/18, H02H 3/48
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12460092

A power-based method of out of step detection in electrical power network

IPC classification:
G01R 29/18, H02H 3/48
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13460024

HV instrument transformer

IPC classification:
H01F 38/20
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12460069

Quenching chamber of a medium-voltage switch disconnector

IPC classification:
H01H 9/30, H01H 33/08, H01H 33/77
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13460018

An active part of a dry distribution transformer

IPC classification:
H01F 27/32, H01F 27/36
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12460080

Method and system for suppressing very fast transients

IPC classification:
H02B 13/045, H02H 7/22, H02H 9/00
Applicant:
ABB Technology AG
Applicant:
ABB Schweiz AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
PATENT GRANTED
EP13460027

HV dry instrument transformer

IPC classification:
H01F 38/20
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12460036

A method of early detection of feeder lines with a high-ohm ground fault in compensated power networks

IPC classification:
G01R 31/08
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12460029

A device for connecting a single-phase device into a multiphase electric network

IPC classification:
H02J 3/14, H02J 3/26
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12460078

A method for the diagnostics of electromechanical system based on impedance analysis

IPC classification:
G01R 31/06, G01R 31/34
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13460035

An arragement of windings of a HV insulation transformer

IPC classification:
H01F 27/28, H01F 27/32, H01F 27/40, H01F 30/04, H01F 30/16
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13460049

An electrical lead through connector

IPC classification:
H01B 17/00, H01F 27/34, H02G 15/20
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13460053

A method for condition monitoring of distributed drive-trains

IPC classification:
G05B 23/02
Applicant:
ABB Technology AG
Applicant:
ABB Schweiz AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
PATENT GRANTED
EP13460057

A portable heat exchange panel for corrugated transformer tank

IPC classification:
H01F 27/02
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12460047

A device for measuring the direct component of alternating current

IPC classification:
G01R 15/18
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13460067

A method for automatically establishing a wireless connection between a mobile device and at least one stationary device

IPC classification:
H04L 12/24, H04L 29/06, H04W 4/00
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13460075

A method of single-ended location in HVDC transmission lines

IPC classification:
G01R 31/08, G01R 31/11
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13460077

Electrical distribution unit for subsea applications

IPC classification:
E21B 33/035, H02B 7/06, H02H 3/04, H02H 3/06
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
PATENT GRANTED
EP14460097

Overvoltage protection electrical device

IPC classification:
H01T 1/12, H01T 1/14
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
GRANT OF PATENT INTENDED
EP11460020

The insulating casing of a high-voltage winding

IPC classification:
H01F 27/32
Applicant:
ABB Research Ltd
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14460019

A standalone modular structure suitable for containing power electronic devices and other electric devices

IPC classification:
H02B 1/56, H05K 7/20
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
GRANT OF PATENT INTENDED
EP14460022

A model based diagnostic of induction machine

IPC classification:
G01R 31/34
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14460024

A method for monitoring DC link capacitance in power converters

IPC classification:
G01R 31/02, G01R 31/42, H02M 5/458
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14460051

A method for assessing the condition of rotating machinery connected to an electric motor

IPC classification:
G05B 23/02
Applicant:
ABB Technology AG
Applicant:
ABB Schweiz AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
PATENT GRANTED
EP14723998

HV INSTRUMENT TRANSFORMER

IPC classification:
H01F 38/20
Applicant:
ABB Technology AG
Applicant:
ABB Schweiz AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
The patent has been granted
EP12460013

A pole connector for in-series circuit breakers

IPC classification:
H01H 71/00, H01R 9/26
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14075063

A method and system for monitoring the temperature of HV potential elements of electric/electronic devices

IPC classification:
G01K 7/16
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14460078

A method of automatic determination of rotational speed of a shaft in a rotating machine

IPC classification:
G01P 3/44, G01P 3/48, G01S 15/58
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14460090

Fuse link

IPC classification:
H01H 85/00, H01H 85/042, H01H 85/18, H01H 85/30, H01H 85/36, H01H 85/47
Applicant:
ABB Technology AG
Applicant:
ABB Schweiz AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
GRANT OF PATENT INTENDED
EP14460108

METHOD OF MANUFACTURING AN AMORPHOUS MAGNETIC CORE AND AMORPHOUS MAGNETIC CORE

IPC classification:
H01F 41/02
Applicant:
ABB Technology AG
Applicant:
ABB Schweiz AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
GRANT OF PATENT INTENDED
EP14460107

METHOD FOR CONFIGURATION OF AN ELECTRICAL DEVICE USING A MOBILE DEVICE

IPC classification:
G06K 7/10, G06K 19/07, H04B 5/00
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11460056

Thermo-magnetic release mechanism for circuit breakers

IPC classification:
H01H 71/14, H01H 71/40
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12460049

High voltage current coil

IPC classification:
H01F 38/28
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11732361

A VERY FAST TRANSIENT SUPPRESSING DEVICE

IPC classification:
H01H 33/16
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12460012

A pole connector for in-series circuit breakers

IPC classification:
H01R 9/26
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12460073

A method for making the insulation of a voltage coil of a HV instrument transformer and a device for making the insulation of a voltage coil

IPC classification:
H01F 27/32
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP15460020

A DEVICE FOR MONITORING ELECTRIC PARAMETERS OF ELECTRIC LOAD

IPC classification:
G01R 1/04, G01R 15/14, G01R 21/06, G01R 22/06, H01R 13/66, H01R 24/76, H01R 25/00
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
APPLICATION PUBLISHED
EP11460024

Disconnector for distribution transformers with dielectric liquid

IPC classification:
H01F 27/40, H01H 71/12, H01H 85/02, H01H 85/20, H01H 85/30, H02H 7/04
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11460026

Method and apparatus for monitoring the condition of electromechanical systems

IPC classification:
G01M 13/00, G01M 13/02, G01M 15/04, G01M 15/05, G01P 3/48, G01R 31/06, G01R 31/28, G01R 31/34, H02P 6/00, H02P 6/08, H02P 21/00, H02P 21/14, H02P 29/02
Applicant:
ABB Technology AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP15723426

A METHOD FOR MONITORING DC LINK CAPACITANCE IN A POWER CONVERTERS

IPC classification:
G01R 31/02, G01R 31/42, H02M 5/458
Applicant:
ABB Schweiz AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
EXAMINATION REQUESTED
EP15460072

A METHOD OF DETERMINATION DC COMPONENT VALUE IN CLIPPED/SATURATED SIGNALS CONTAINING BOTH AC AND DC COMPONENTS

IPC classification:
G01R 15/20, G01R 19/00
Applicant:
ABB Schweiz AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
EXAMINATION REQUESTED
EP16460015

A MOTOR DRIVE ELECTRICAL APPARATUSES

IPC classification:
H01H 3/26, H01H 3/32, H01H 9/00, H01H 19/56
Applicant:
ABB Schweiz AG
Agent:
Krystyna Chochorowska-Winiarska, ABB Sp. z o. o.
Status:
The application has been published

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