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Daqing Hou
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Boise, ID, US
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Patents Grants
last 30 patents
Information
Patent Grant
Broken conductor detection in a multiple-phase electric power deliv...
Patent number
11,143,715
Issue date
Oct 12, 2021
Schweitzer Engineering Laboratories, Inc.
Jordan Bell
G01 - MEASURING TESTING
Information
Patent Grant
Electric power system transducer failure monitor and measurement re...
Patent number
11,114,892
Issue date
Sep 7, 2021
Schweitzer Engineering Laboratories, Inc.
Edmund O. Schweitzer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Coordinated high-impedance fault detection systems and methods
Patent number
9,160,158
Issue date
Oct 13, 2015
Schweitzer Engineering Laboratories, Inc.
Edmund O. Schweitzer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Systems and methods for detecting high-impedance faults in a multi-...
Patent number
7,945,400
Issue date
May 17, 2011
Schweitzer Engineering Laboratories, Inc.
Daqing Hou
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Systems and methods for detecting high-impedance faults in a multi-...
Patent number
7,720,619
Issue date
May 18, 2010
Schweitzer Engineering Laboratories, Inc.
Daqing Hou
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Systems and methods for protection of electrical networks
Patent number
7,457,088
Issue date
Nov 25, 2008
Schweitzer Engineering Laboratories, Inc.
Daqing Hou
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Protective relay for powers systems having dependable out-of-step b...
Patent number
6,833,711
Issue date
Dec 21, 2004
Schweitzer Engineering Laboratories, Inc.
Daqing Hou
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Sensitive ground fault detection system for use in compensated elec...
Patent number
6,573,726
Issue date
Jun 3, 2003
Schweitzer Engineering Laboratories, Inc.
Jeffrey B. Roberts
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Adaptive polarizing memory voltage time constant
Patent number
5,790,418
Issue date
Aug 4, 1998
Schweitzer Engineering Laboratories, Inc.
Jeffrey B. Roberts
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Protective relay having out-of-step logic capability
Patent number
5,731,943
Issue date
Mar 24, 1998
Schweitzer Engineering Laboratories, Inc.
Jeffrey B. Roberts
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System for detection of transients from a coupling capacitor voltag...
Patent number
5,703,745
Issue date
Dec 30, 1997
Schweitzer Engineering Laboratories, Inc.
Jeffrey B. Roberts
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
FREQUENCY ESTIMATION AND TRACKING USING CURRENT
Publication number
20220178976
Publication date
Jun 9, 2022
Schweitzer Engineering Laboratories, Inc.
Kei Hao
G01 - MEASURING TESTING
Information
Patent Application
ELECTRIC POWER SYSTEM TRANSDUCER FAILURE MONITOR AND MEASUREMENT RE...
Publication number
20210111586
Publication date
Apr 15, 2021
Schweitzer Engineering Laboratories, Inc.
Edmund O. Schweitzer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BROKEN CONDUCTOR DETECTION IN A MULTIPLE-PHASE ELECTRIC POWER DELIV...
Publication number
20210048486
Publication date
Feb 18, 2021
Schweitzer Engineering Laboratories, Inc.
Jordan Bell
G01 - MEASURING TESTING
Information
Patent Application
COORDINATED HIGH-IMPEDANCE FAULT DETECTION SYSTEMS AND METHODS
Publication number
20140104738
Publication date
Apr 17, 2014
Schweitzer Engineering Laboratories, Inc.
Edmund O. Schweitzer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Systems and methods for detecting high-impedance faults in a multi-...
Publication number
20080031520
Publication date
Feb 7, 2008
Schweitzer Engineering Laboratories, Inc.
Daqing Hou
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Systems and methods for detecting high-impedance faults in a multi-...
Publication number
20080030199
Publication date
Feb 7, 2008
Daqing Hou
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
System for maintaining fault-type selection during an out-of-step c...
Publication number
20060152866
Publication date
Jul 13, 2006
Gabriel Benmouyal
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Systems and methods for protection of electrical networks
Publication number
20060067095
Publication date
Mar 30, 2006
Daqing Hou
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER