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using variable-frequency supply voltage
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H02P27/04
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Parent Industries
H
ELECTRICITY
H02
Electric power
H02P
CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
H02P27/00
Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
Current Industry
H02P27/04
using variable-frequency supply voltage
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Patents Grants
last 30 patents
Information
Patent Grant
Controller and drive circuits for electric motors
Patent number
12,191,788
Issue date
Jan 7, 2025
Regal Beloit America, Inc.
Ludovic Andre Chretien
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System and method for an early warning system for mitigating high f...
Patent number
12,160,146
Issue date
Dec 3, 2024
Magney Grande Distribution, Inc.
Salvatore F. Grande
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Fan speed control device
Patent number
12,158,514
Issue date
Dec 3, 2024
Lutron Technology Company LLC
James P. Steiner
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Fault tolerance decision-making method and system for sensor failur...
Patent number
12,126,286
Issue date
Oct 22, 2024
Zhejiang University of Science and Technology
Zihui Wang
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Power conversion device
Patent number
12,113,450
Issue date
Oct 8, 2024
Keisei Inoki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Constant voltage power distribution system for use with an electric...
Patent number
12,092,095
Issue date
Sep 17, 2024
U.S. WELL SERVICES, LLC
Jared Oehring
E21 - EARTH DRILLING MINING
Information
Patent Grant
Electric working machine
Patent number
12,036,655
Issue date
Jul 16, 2024
Yamabiko Corporation
Atsushi Nishimura
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Systems and methods for restarting downhole pump
Patent number
12,037,880
Issue date
Jul 16, 2024
Halliburton Energy Services, Inc.
Matthew Myers
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Circuit for laundry treating appliance with high power drive
Patent number
12,018,422
Issue date
Jun 25, 2024
Whirlpool Corporation
Daniel Quinn
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Motor drive device, electric blower, electric vacuum cleaner, and h...
Patent number
12,021,468
Issue date
Jun 25, 2024
Mitsubishi Electric Corporation
Yuji Takayama
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
System and method for compact motor control with redundant power st...
Patent number
12,021,444
Issue date
Jun 25, 2024
EATON INTELLIGENT POWER LIMITED
Huaqiang Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Gate driver with feed forward control of gate current
Patent number
12,021,517
Issue date
Jun 25, 2024
Texas Instruments Incorporated
Sachin S
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control system and automatic analysis device mounted with said cont...
Patent number
12,015,360
Issue date
Jun 18, 2024
HITACHI HIGH-TECH CORPORATION
Kotaro Shirai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Power distribution trailer for an electric driven hydraulic frackin...
Patent number
12,006,807
Issue date
Jun 11, 2024
Halliburton Energy Services, Inc.
John Fischer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Electric driven hydraulic fracking system
Patent number
12,000,256
Issue date
Jun 4, 2024
Halliburton Energy Services, Inc.
John Fischer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Electric driven hydraulic fracking operation
Patent number
11,976,525
Issue date
May 7, 2024
Halliburton Energy Services, Inc.
John Fischer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Parameter monitoring and control for an electric driven hydraulic f...
Patent number
11,976,524
Issue date
May 7, 2024
Halliburton Energy Services, Inc.
John Fischer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Constant voltage power distribution system for use with an electric...
Patent number
11,952,996
Issue date
Apr 9, 2024
U.S. WELL SERVICES, LLC
Jared Oehring
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multiple output power supply for a movable barrier operator
Patent number
11,955,913
Issue date
Apr 9, 2024
The Chamberlain Group, LLC
Anthony David Bertini
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Vehicle-mounted apparatus
Patent number
11,945,522
Issue date
Apr 2, 2024
Knorr-Bremse Commercial Vehicle Systems Japan Ltd.
Tatsuo Matsumura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Power converting apparatus and air conditioner including the same
Patent number
11,940,194
Issue date
Mar 26, 2024
LG Electronics Inc.
Jinho Cho
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Variable frequency drive configuration for electric driven hydrauli...
Patent number
11,939,828
Issue date
Mar 26, 2024
Halliburton Energy Services, Inc.
John Fischer
E21 - EARTH DRILLING MINING
Information
Patent Grant
System for controlling a plurality of synchronous permanent magnet...
Patent number
11,936,323
Issue date
Mar 19, 2024
Annexair Inc.
François Lemieux
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus for controlling motor and method for controlling motor
Patent number
11,926,951
Issue date
Mar 12, 2024
LG Electronics Inc.
Ki Wook Lee
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Fan speed control device
Patent number
11,906,611
Issue date
Feb 20, 2024
Lutron Technology Company LLC
James P. Steiner
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Variable frequency drive electric hydraulic material handler
Patent number
11,894,788
Issue date
Feb 6, 2024
Builtrite, LLC
Karl Eric Johnson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Resolver converter and motor control device
Patent number
11,881,806
Issue date
Jan 23, 2024
Renesas Electronics Corporation
Takashi Umamichi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Reduction of shaft voltage
Patent number
11,863,027
Issue date
Jan 2, 2024
ABB Schweiz AG
Kari Tikkanen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor control device and motor control method
Patent number
11,855,560
Issue date
Dec 26, 2023
Delta Electronics, Inc.
Yu-Shian Lin
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Safe-Torque-Off (STO) circuit and frequency converter including the...
Patent number
11,831,258
Issue date
Nov 28, 2023
Zhejiang Holip Electronic Technology Co., Ltd.
Xiaoran Xu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND MOTOR SYSTEM
Publication number
20250047227
Publication date
Feb 6, 2025
Rohm Co., Ltd.
Tatsuji Nakai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SEMICONDUCTOR DEVICE, MOTOR SYSTEM, AND VEHICLE
Publication number
20250015735
Publication date
Jan 9, 2025
ROHM CO., LTD.
Kazuma SHIOMI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
PORTABLE VARIABLE FREQUENCY DRIVE
Publication number
20240421743
Publication date
Dec 19, 2024
Matthew Peter May
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD AND ARRANGEMENT FOR OPERATING PUMP SYSTEM
Publication number
20240405705
Publication date
Dec 5, 2024
ABB Schweiz AG
Matti Eskola
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Reactive Current Injenction for Active Aerospace Rectification
Publication number
20240405572
Publication date
Dec 5, 2024
HAMILTON SUNDSTRAND CORPORATION
Huazhen H. CHAI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
AC-DC-AC CONVERTER FOR MOTOR DRIVE APPLICATIONS
Publication number
20240322704
Publication date
Sep 26, 2024
GE Energy Power Conversion Technology Limited
Zhi ZHOU
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Hydraulic Fracturing Equipment With Non-Hydraulic Power
Publication number
20240301780
Publication date
Sep 12, 2024
U.S. Well Services, LLC
Brandon N. Hinderliter
E21 - EARTH DRILLING MINING
Information
Patent Application
ELECTRIC DRIVEN HYDRAULIC FRACKING SYSTEM
Publication number
20240301779
Publication date
Sep 12, 2024
Halliburton Energy Services, Inc.
John Fischer
E21 - EARTH DRILLING MINING
Information
Patent Application
POWER DISTRIBUTION TRAILER FOR AN ELECTRIC DRIVEN HYDRAULIC FRACKIN...
Publication number
20240301778
Publication date
Sep 12, 2024
Halliburton Energy Services, Inc.
John Fischer
E21 - EARTH DRILLING MINING
Information
Patent Application
DEVICE FOR DETECTING THE DIRECTION OF ROTATION OF A ROTOR, ASSOCIAT...
Publication number
20240297603
Publication date
Sep 5, 2024
SKF MAGNETIC MECHATRONICS
Sylvain PALMERI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
VARIABLE FREQUENCY DRIVE SYNCHRONOUS RELUCTANCE MOTOR SYSTEM WITH V...
Publication number
20240291412
Publication date
Aug 29, 2024
Nidec Motor Corporation
Timothy R. Albers
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Hydraulic Fracturing Equipment With Non-Hydraulic Power
Publication number
20240280009
Publication date
Aug 22, 2024
U.S. Well Services, LLC
Brandon N. Hinderliter
E21 - EARTH DRILLING MINING
Information
Patent Application
PARAMETER MONITORING AND CONTROL FOR AN ELECTRIC DRIVEN HYDRAULIC F...
Publication number
20240247556
Publication date
Jul 25, 2024
Halliburton Energy Services, Inc.
John Fischer
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR SELECTING A CHOPPING FREQUENCY OF AN INVERTER CONTROLLIN...
Publication number
20240235445
Publication date
Jul 11, 2024
Gang YANG
B60 - VEHICLES IN GENERAL
Information
Patent Application
MOTOR IDENTIFICATION TEST
Publication number
20240210063
Publication date
Jun 27, 2024
Carrier Corporation
Ismail Agirman
G01 - MEASURING TESTING
Information
Patent Application
CONSTANT VOLTAGE POWER DISTRIBUTION SYSTEM FOR USE WITH AN ELECTRIC...
Publication number
20240159235
Publication date
May 16, 2024
U.S. Well Services, LLC
Jared Oehring
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
METHOD FOR SELECTING A CHOPPING FREQUENCY OF AN INVERTER CONTROLLIN...
Publication number
20240136962
Publication date
Apr 25, 2024
Gang YANG
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD FOR DETERMINING AT LEAST ONE PROPERTY OF A ROTATIONAL MOVEME...
Publication number
20240125836
Publication date
Apr 18, 2024
dormakaba Deutschland GmbH
Dennis Böse
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Fan Speed Control Device
Publication number
20240125910
Publication date
Apr 18, 2024
Lutron Technology Company LLC
James P. Steiner
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
SYSTEM AND METHOD FOR OPERATING VARIABLE FREQUENCY DRIVE USING AC-P...
Publication number
20240097592
Publication date
Mar 21, 2024
Carrier Corporation
Samuel Venne
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
TRANSISTOR CONTROL CIRCUIT
Publication number
20240088885
Publication date
Mar 14, 2024
STMicroelectronics (Tours) SAS
Jean-Michel SIMONNET
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER CONVERSION APPARATUS, MOTOR DRIVE APPARATUS, AND AIR CONDITIONER
Publication number
20240072680
Publication date
Feb 29, 2024
Mitsubishi Electric Corporation
Takeshi IIDA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CIRCUITS INCLUDING HIGH POWER TRANSISTORS
Publication number
20240039524
Publication date
Feb 1, 2024
Search For The Next, LTD.
David SUMMERLAND
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Electric machine with magnetic flux modulated at high frequency
Publication number
20240022196
Publication date
Jan 18, 2024
Ravisekhar Raju
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
GATE DRIVER WITH FEED FORWARD CONTROL OF GATE CURRENT
Publication number
20240022244
Publication date
Jan 18, 2024
TEXAS INSTRUMENTS INCORPORATED
Sachin S
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ELECTRIC DRIVEN HYDRAULIC FRACKING SYSTEM
Publication number
20240011381
Publication date
Jan 11, 2024
Halliburton Energy Services, Inc.
John Fischer
E21 - EARTH DRILLING MINING
Information
Patent Application
POWER DISTRIBUTION TRAILER FOR AN ELECTRIC DRIVEN HYDRAULIC FRACKIN...
Publication number
20240011380
Publication date
Jan 11, 2024
Halliburton Energy Services, Inc.
John Fischer
E21 - EARTH DRILLING MINING
Information
Patent Application
VARIABLE FREQUENCY DRIVE CONFIGURATION FOR ELECTRIC DRIVEN HYDRAULI...
Publication number
20240003208
Publication date
Jan 4, 2024
National Service Alliance - Houston LLC
John Fischer
E21 - EARTH DRILLING MINING
Information
Patent Application
DRIVE CIRCUIT FOR A BRUSHLESS MOTOR
Publication number
20230421085
Publication date
Dec 28, 2023
Dyson Technology Limited
Stephen GREETHAM
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ELECTRIC DRIVEN HYDRAULIC FRACKING OPERATION
Publication number
20230392461
Publication date
Dec 7, 2023
National Service Alliance - Houston LLC
John Fischer
E21 - EARTH DRILLING MINING