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H02H7/097
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Parent Industries
H
ELECTRICITY
H02
Electric power
H02H
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
H02H7/00
Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
Current Industry
H02H7/097
against wrong direction of rotation
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Patents Grants
last 30 patents
Information
Patent Grant
Electric work machine
Patent number
12,011,813
Issue date
Jun 18, 2024
Makita Corporation
Hitoshi Suzuki
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Three-phase electronic control unit for enclosure air conditioners
Patent number
11,711,911
Issue date
Jul 25, 2023
Hoffman Enclosures Inc.
Shawn A. Thao
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Three-phase electronic control unit for enclosure air conditioners
Patent number
11,083,112
Issue date
Aug 3, 2021
Hoffman Enclosures, Inc.
Shawn A. Thao
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method of automatic detection and prevention of motor ru...
Patent number
9,825,455
Issue date
Nov 21, 2017
St. Jude Medical, Atrial Fibrillation Division, Inc.
Kulbir S. Sandhu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Phase sequence switching device for three-phase power supply
Patent number
9,774,242
Issue date
Sep 26, 2017
TOSHIBA SCHNEIDER CORPORATION
Hiromasa Matsuda
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System and method of automatic detection and prevention of motor ru...
Patent number
8,736,212
Issue date
May 27, 2014
St. Jude Medical, Atrial Fibrillation Division, Inc.
Kulbir S. Sandhu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Blower motor for HVAC systems
Patent number
8,294,393
Issue date
Oct 23, 2012
Nidec Motor Corporation
Christopher D. Schock
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Power supply negative phase detecting circuit
Patent number
6,614,217
Issue date
Sep 2, 2003
Sanyo Electronic Co., Ltd.
Eiji Oohashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Phase monitor
Patent number
6,150,792
Issue date
Nov 21, 2000
Hans Andersson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and device for braking an all-mains motor
Patent number
6,094,023
Issue date
Jul 25, 2000
Hans Birger Ericsson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor reversal protection apparatus
Patent number
6,066,932
Issue date
May 23, 2000
Fred Fetzer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power source miswiring detection apparatus
Patent number
5,828,309
Issue date
Oct 27, 1998
Sanyo Electric Co., Ltd.
Masayuki Kumakura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus and method for starting and protecting a three-phase motor
Patent number
5,796,565
Issue date
Aug 18, 1998
Yan Verkhovskiy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Phase sequence wiring protection apparatus
Patent number
5,570,257
Issue date
Oct 29, 1996
Texas Instruments Incorporated
William R. Manning
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Phase monitor and protection apparatus
Patent number
5,570,258
Issue date
Oct 29, 1996
Texas Instruments Incorporated
William R. Manning
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Reduced voltage starter
Patent number
5,003,242
Issue date
Mar 26, 1991
Square D Company
James T. Liber
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Line to line to line to neutral converter
Patent number
4,887,018
Issue date
Dec 12, 1989
Square D Company
James T. Libert
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Phase unbalance detector
Patent number
4,724,503
Issue date
Feb 9, 1988
Square D Company
James T. Libert
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Magnetic field presetting circuit for an exciter field winding in a...
Patent number
4,348,620
Issue date
Sep 7, 1982
General Electric Company
Martin Simon
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Power monitor system
Patent number
4,333,119
Issue date
Jun 1, 1982
Purex Corporation
Ivar L. Schoenmeyr
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Safety apparatus for use with a three-phase AC motor
Patent number
4,163,270
Issue date
Jul 31, 1979
Louis J. Marus
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Phase reversal protection system
Patent number
4,045,682
Issue date
Aug 30, 1977
Charles R. Poorbaugh
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Phase sequence detector for three-phase AC power system
Patent number
3,976,919
Issue date
Aug 24, 1976
Borg-Warner Corporation
Joseph E. Vandevier
G01 - MEASURING TESTING
Information
Patent Grant
1339192
Patent number
1,339,192
Issue date
May 4, 1920
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
ELECTRIC WORK MACHINE
Publication number
20210069886
Publication date
Mar 11, 2021
MAKITA CORPORATION
Hitoshi SUZUKI
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
System and method of automatic detection and prevention of motor ru...
Publication number
20140340796
Publication date
Nov 20, 2014
St. Jude Medical, Atrial Fibrillation Division, Inc.
Kulbir S. Sandhu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
SYSTEM AND METHOD OF AUTOMATIC DETECTION AND PREVENTION OF MOTOR RU...
Publication number
20120158012
Publication date
Jun 21, 2012
Kulbir S. Sandhu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
BLOWER MOTOR FOR HVAC SYSTEMS
Publication number
20100060219
Publication date
Mar 11, 2010
Emerson Electric Co.
Christopher D. Schock
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Power supply negative phase detecting circuit
Publication number
20020027432
Publication date
Mar 7, 2002
SANYO ELECTRIC CO., LTD.
Eiji Oohashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER