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name:-0.019599914550781
name:-0.0061159133911133
XJ GROUP CORPORATION Patent Filings

XJ GROUP CORPORATION

Patent Applications and Registrations

Patent applications and USPTO patent grants for XJ GROUP CORPORATION.The latest application filed is for "method for quickly identifying disconnection of ct in protection of 3/2 connection mode based bus".

Company Profile
12.26.25
  • XJ GROUP CORPORATION - Xuchang N/A CN
  • XJ GROUP CORPORATION - Xuchang, Henan N/A CN
  • XJ GROUP CORPORATION - N/A N/A N/A
  • XJ GROUP CORPORATION - XJ ELECTRIC CO.,LTD
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Contact device of handcart circuit breaker and handcart circuit breaker
Grant 10,741,338 - Wang , et al. A
2020-08-11
Method for preventing differential protection maloperation of optical fiber caused by saturation of single CT of 3/2 connection
Grant 10,622,804 - Li , et al.
2020-04-14
Method for quickly identifying disconnection of CT in protection of 3/2 connection mode based bus
Grant 10,551,425 - Huang , et al. Fe
2020-02-04
Distributed test method applicable to system-level test of intelligent high voltage equipment
Grant 10,514,407 - Lu , et al. Dec
2019-12-24
Method for generating current differential protection supernode based on electrical topology of regional distribution network
Grant 10,158,223 - Liu , et al. Dec
2018-12-18
Prevention method of abnormal action protection of UHV regulating compensation transformer with no-load input
Grant 10,090,670 - Chen , et al. October 2, 2
2018-10-02
Method of differential protection in the power distribution networks based on phase difference principles
Grant 10,082,816 - Niu , et al. September 25, 2
2018-09-25
Sampling implementation method and device based on conventional sampling goose trip mode
Grant 9,985,428 - Chen , et al. May 29, 2
2018-05-29
Oil-gas separation cylinder, an oil-gas separation device and an oil chromatography
Grant 9,956,506 - Zhou , et al. May 1, 2
2018-05-01
Method of preventing misoperations about a relay protection device in a smart substation
Grant 9,904,588 - Wang , et al. February 27, 2
2018-02-27
Method for Quickly Identifying Disconnection of CT in Protection of 3/2 Connection Mode Based Bus
App 20170192045 - Huang; Jidong ;   et al.
2017-07-06
Method For Preventing Differential Protection Maloperation Of Optical Fiber Caused By Saturation Of Single Ct Of 3/2 Connection
App 20170163024 - Li; Baowei ;   et al.
2017-06-08
Differential protection method for bridge circuit in current converter control system
Grant 9,667,131 - Liu , et al. May 30, 2
2017-05-30
Distributed Test Method Applicable to System-Level Test of Intelligent High Voltage Equipment
App 20170082670 - Lu; Guanghui ;   et al.
2017-03-23
Setting And Coordination Calculation Method For Protection Setting Value Of Dc System
App 20170085076 - Zhang; Hongyue ;   et al.
2017-03-23
Sampling Implementation Method And Device Based On Conventional Sampling Goose Trip Mode
App 20170070336 - Chen; Jirui ;   et al.
2017-03-09
Method Of Preventing Misoperations About A Relay Protection Device In A Smart Substation
App 20170060670 - Wang; Leitao ;   et al.
2017-03-02
Oil-gas Separation Cylinder, An Oil-gas Separation Device And An Oil Chromatography
App 20170050123 - Zhou; Shuibin ;   et al.
2017-02-23
Monitoring Method And System Of Arrester Applied To Smart Substation
App 20170045567 - Yong; Mingchao ;   et al.
2017-02-16
Method Of Differential Protection In The Power Distribution Networks Based On Phase Difference Principles
App 20170038785 - Niu; Qiang ;   et al.
2017-02-09
Rapid Online Diagnosis Method Of Open-circuit Fault For High-power Rectifier
App 20170003334 - Liu; Xing ;   et al.
2017-01-05
Differential Protection Method For Bridge Circuit In Current Converter Control System
App 20170005569 - Liu; Xing ;   et al.
2017-01-05
Method And System For Correcting Acquisition Channel Of Merging Uinit In Power System
App 20160377694 - Song; Yanfeng ;   et al.
2016-12-29
Frequency Measuring Method and Measuring Device For Electricity System
App 20160320437 - Wang; Li ;   et al.
2016-11-03
Centralized and networked protection system and method of a regional distribution network
Grant 8,959,393 - Song , et al. February 17, 2
2015-02-17
Busbar differential protection method
Grant 8,773,828 - Song , et al. July 8, 2
2014-07-08
Networked Differential Protection Method For A Distribution Network Based On Overhauling Of Terminal Equipment
App 20130304270 - XU; Yunlong ;   et al.
2013-11-14
Busbar Differential Protection Method
App 20130258536 - SONG; Xiaohui ;   et al.
2013-10-03
Method For Generating Current Differential Protection Supernode Based On Electrical Topology Of Regional Distribution Network
App 20130261829 - LIU; Xing ;   et al.
2013-10-03
Centralized And Networked Protection System And Method Of A Regional Distribution Network
App 20130262922 - SONG; Xiaohui ;   et al.
2013-10-03

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