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Patents Grants
last 30 patents
Information
Patent Grant
Monitoring system and method based on digital converter station
Patent number
12,094,191
Issue date
Sep 17, 2024
State Grid Corporation of China
Wei Jin
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Contact device of handcart circuit breaker and handcart circuit bre...
Patent number
10,741,338
Issue date
Aug 11, 2020
XJ ELECTRIC CO., LTD
Junwei Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for preventing differential protection maloperation of optic...
Patent number
10,622,804
Issue date
Apr 14, 2020
XJ GROUP CORPORATION
Baowei Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method for quickly identifying disconnection of CT in protection of...
Patent number
10,551,425
Issue date
Feb 4, 2020
XJ GROUP CORPORATION
Jidong Huang
G01 - MEASURING TESTING
Information
Patent Grant
Distributed test method applicable to system-level test of intellig...
Patent number
10,514,407
Issue date
Dec 24, 2019
XJ GROUP CORPORATION
Guanghui Lu
Y04 - INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TEC...
Information
Patent Grant
Method for generating current differential protection supernode bas...
Patent number
10,158,223
Issue date
Dec 18, 2018
XJ Group Corporation
Xing Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Prevention method of abnormal action protection of UHV regulating c...
Patent number
10,090,670
Issue date
Oct 2, 2018
XJ Group Corporation
Jirui Chen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method of differential protection in the power distribution network...
Patent number
10,082,816
Issue date
Sep 25, 2018
XJ Group Corporation
Qiang Niu
G05 - CONTROLLING REGULATING
Information
Patent Grant
Sampling implementation method and device based on conventional sam...
Patent number
9,985,428
Issue date
May 29, 2018
XJ Group Corporation
Jirui Chen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Oil-gas separation cylinder, an oil-gas separation device and an oi...
Patent number
9,956,506
Issue date
May 1, 2018
XJ Group Corporation
Shuibin Zhou
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of preventing misoperations about a relay protection device...
Patent number
9,904,588
Issue date
Feb 27, 2018
XJ Group Corporation
Leitao Wang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Differential protection method for bridge circuit in current conver...
Patent number
9,667,131
Issue date
May 30, 2017
XJ Group Corporation
Xing Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Centralized and networked protection system and method of a regiona...
Patent number
8,959,393
Issue date
Feb 17, 2015
XJ Group Corporation
Xiaohui Song
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Busbar differential protection method
Patent number
8,773,828
Issue date
Jul 8, 2014
XJ Group Corporation
Xiaohui Song
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
MONITORING SYSTEM AND METHOD BASED ON DIGITAL CONVERTER STATION
Publication number
20240153257
Publication date
May 9, 2024
STATE GRID CORPORATION OF CHINA
Wei JIN
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method for Quickly Identifying Disconnection of CT in Protection of...
Publication number
20170192045
Publication date
Jul 6, 2017
XJ GROUP CORPORATION
Jidong Huang
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR PREVENTING DIFFERENTIAL PROTECTION MALOPERATION OF OPTIC...
Publication number
20170163024
Publication date
Jun 8, 2017
XJ GROUP CORPORATION
Baowei Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Distributed Test Method Applicable to System-Level Test of Intellig...
Publication number
20170082670
Publication date
Mar 23, 2017
XJ GROUP CORPORATION
Guanghui Lu
G01 - MEASURING TESTING
Information
Patent Application
SETTING AND COORDINATION CALCULATION METHOD FOR PROTECTION SETTING...
Publication number
20170085076
Publication date
Mar 23, 2017
XJ GROUP CORPORATION
Hongyue Zhang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SAMPLING IMPLEMENTATION METHOD AND DEVICE BASED ON CONVENTIONAL SAM...
Publication number
20170070336
Publication date
Mar 9, 2017
XJ GROUP CORPORATION
Jirui Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD OF PREVENTING MISOPERATIONS ABOUT A RELAY PROTECTION DEVICE...
Publication number
20170060670
Publication date
Mar 2, 2017
XJ GROUP CORPORATION
Leitao Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OIL-GAS SEPARATION CYLINDER, AN OIL-GAS SEPARATION DEVICE AND AN OI...
Publication number
20170050123
Publication date
Feb 23, 2017
XJ GROUP CORPORATION
Shuibin Zhou
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
MONITORING METHOD AND SYSTEM OF ARRESTER APPLIED TO SMART SUBSTATION
Publication number
20170045567
Publication date
Feb 16, 2017
XJ GROUP CORPORATION
Mingchao Yong
G01 - MEASURING TESTING
Information
Patent Application
METHOD OF DIFFERENTIAL PROTECTION IN THE POWER DISTRIBUTION NETWORK...
Publication number
20170038785
Publication date
Feb 9, 2017
XJ GROUP CORPORATION
Qiang Niu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
PREVENTION METHOD OF ABNORMAL ACTION PROTECTION OF UHV REGULATING C...
Publication number
20170018919
Publication date
Jan 19, 2017
XJ GROUP CORPROATION
Jirui Chen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DIFFERENTIAL PROTECTION METHOD FOR BRIDGE CIRCUIT IN CURRENT CONVER...
Publication number
20170005569
Publication date
Jan 5, 2017
XJ GROUP CORPORATION
Xing Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
RAPID ONLINE DIAGNOSIS METHOD OF OPEN-CIRCUIT FAULT FOR HIGH-POWER...
Publication number
20170003334
Publication date
Jan 5, 2017
XJ GROUP CORPORATION
Xing Liu
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND SYSTEM FOR CORRECTING ACQUISITION CHANNEL OF MERGING UIN...
Publication number
20160377694
Publication date
Dec 29, 2016
XJ GROUP CORPORATION
Yanfeng Song
G01 - MEASURING TESTING
Information
Patent Application
Frequency Measuring Method and Measuring Device For Electricity System
Publication number
20160320437
Publication date
Nov 3, 2016
XJ GROUP CORPORATION
Li Wang
G01 - MEASURING TESTING
Information
Patent Application
NETWORKED DIFFERENTIAL PROTECTION METHOD FOR A DISTRIBUTION NETWORK...
Publication number
20130304270
Publication date
Nov 14, 2013
STATE GRID CORPORATION OF CHINA
Yunlong XU
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD FOR GENERATING CURRENT DIFFERENTIAL PROTECTION SUPERNODE BAS...
Publication number
20130261829
Publication date
Oct 3, 2013
STATE GRID CORPORATION OF CHINA
Xing LIU
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CENTRALIZED AND NETWORKED PROTECTION SYSTEM AND METHOD OF A REGIONA...
Publication number
20130262922
Publication date
Oct 3, 2013
STATE GRID CORPORATION OF CHINA
Xiaohui SONG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
BUSBAR DIFFERENTIAL PROTECTION METHOD
Publication number
20130258536
Publication date
Oct 3, 2013
STATE GRID CORPORATION OF CHINA
Xiaohui SONG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Trademark
last 30 trademarks
Information
Trademark
77788557 - HOMEIMAGE
Serial number
77788557
Registration number
3757299
Filing date
Jul 23, 2009
X.J. GROUP (USA)
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes