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Timothy M. Rowan
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Wauwatosa, WI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Power conversion system with PWM carrier transition smoothing and a...
Patent number
11,368,109
Issue date
Jun 21, 2022
Rockwell Automation Technologies, Inc.
Jacob M. Lamb
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Systems and methods for performing motor control operations agnosti...
Patent number
11,258,388
Issue date
Feb 22, 2022
Rockwell Automation Technologies, Inc.
Lei Jin
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Counter electromotive force estimation
Patent number
10,756,659
Issue date
Aug 25, 2020
Rockwell Automation Technologies, Inc.
Bing Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Predicting an induction machine load pattern
Patent number
10,727,772
Issue date
Jul 28, 2020
Rockwell Automation Technologies, Inc.
Lei Jin
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power conversion system with PWM carrier transition smoothing and a...
Patent number
10,601,343
Issue date
Mar 24, 2020
Rockwell Automation Technologies, Inc.
Jacob M. Lamb
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power conversion system with PWM carrier emulation
Patent number
10,541,626
Issue date
Jan 21, 2020
Rockwell Automation Technologies, Inc.
Jacob M. Lamb
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
DC bus regulation using rectifier and inverter
Patent number
10,389,292
Issue date
Aug 20, 2019
Rockwell Automation Technologies, Inc.
Jacob M. Lamb
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotor position estimation apparatus and methods
Patent number
9,774,284
Issue date
Sep 26, 2017
Rockwell Automation Technologies, Inc.
Jingbo Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Inverter phase current reconstruction apparatus and methods
Patent number
9,584,043
Issue date
Feb 28, 2017
Rockwell Automation Technologies, Inc.
Zhendong Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Adjustable PWM method to increase low speed starting torque and inv...
Patent number
9,318,976
Issue date
Apr 19, 2016
Rockwell Automation Technologies, Inc.
Lixiang Wei
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for stability control of open loop motor drive...
Patent number
9,287,812
Issue date
Mar 15, 2016
Rockwell Automation Technologies, Inc.
Thomas Nondahl
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for ripple and phase loss detection
Patent number
9,036,382
Issue date
May 19, 2015
Rockwell Automation Technologies, Inc.
Bing Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor control for stopping a load and detecting mechanical brake sl...
Patent number
7,268,514
Issue date
Sep 11, 2007
Rockwell Automation Technologies, Inc.
Robert J. DeLange
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Motor control for flux-reduced braking
Patent number
7,135,833
Issue date
Nov 14, 2006
Rockwell Automation Technologies, Inc.
Robert J. DeLange
G01 - MEASURING TESTING
Information
Patent Grant
Voltage and current limiting method and apparatus for a voltage/fre...
Patent number
6,229,278
Issue date
May 8, 2001
Rockwell Technologies, LLC
Luis J. Garces
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for starting an AC drive into a rotating motor
Patent number
6,014,007
Issue date
Jan 11, 2000
Allen-Bradley Company LLC
Brian J. Seibel
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Transient inductance tuner for motor control
Patent number
5,965,995
Issue date
Oct 12, 1999
Allen Bradley Company, LLC
Brian J. Seibel
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Frequency generator for a motor controller
Patent number
5,923,144
Issue date
Jul 13, 1999
Allen Bradley Company, LLC
Brian J. Seibel
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for starting an electric motor
Patent number
5,717,305
Issue date
Feb 10, 1998
Brian J. Seibel
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Transient inductance identifier for motor control
Patent number
5,689,169
Issue date
Nov 18, 1997
Allen-Bradley Company, Inc.
Russel J. Kerkman
G01 - MEASURING TESTING
Information
Patent Grant
AC motor controller with voltage margin adjustment
Patent number
5,479,081
Issue date
Dec 26, 1995
Allen-Bradley Company, Inc.
Brian J. Seibel
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Counter EMF detector for use in electric motor controllers
Patent number
5,298,847
Issue date
Mar 29, 1994
Allen-Bradley Co., Inc.
Russel J. Kerkman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Open loop motor control with both voltage and current regulation
Patent number
5,140,248
Issue date
Aug 18, 1992
Allen-Bradley Company, Inc.
Timothy M. Rowan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Slip control based on sensing voltage fed to an induction motor
Patent number
5,032,771
Issue date
Jul 16, 1991
Allen-Bradley Company, Inc.
Russel J. Kerkman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Controller for starting and stopping electric motors
Patent number
5,008,608
Issue date
Apr 16, 1991
Allen-Bradley Company, Inc.
Peter J. Unsworth
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor stoppage detection using back emf voltage
Patent number
5,003,241
Issue date
Mar 26, 1991
Allen-Bradley Company, Inc.
Timothy M. Rowan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electric motor speed control apparatus and method
Patent number
4,996,470
Issue date
Feb 26, 1991
Allen-Bradley Company, Inc.
Timothy M. Rowan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor controller with an improved stopping technique
Patent number
4,978,897
Issue date
Dec 18, 1990
Allen-Bradley Company, Inc.
John C. Merrison
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor stoppage apparatus and method using back emf voltage
Patent number
4,916,370
Issue date
Apr 10, 1990
Allen-Bradley Company, Inc.
Timothy M. Rowan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method for stopping an electric motor
Patent number
4,862,052
Issue date
Aug 29, 1989
Allen-Bradley Company, Inc.
Peter J. Unsworth
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR PERFORMING MOTOR CONTROL OPERATIONS AGNOSTI...
Publication number
20220045638
Publication date
Feb 10, 2022
Rockwell Automation Technologies, Inc.
Lei Jin
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER CONVERSION SYSTEM WITH PWM CARRIER TRANSITION SMOOTHING AND A...
Publication number
20200228029
Publication date
Jul 16, 2020
Rockwell Automation Technologies, Inc.
Jacob M. Lamb
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
INVERTER PHASE CURRENT RECONSTRUCTION APPARATUS AND METHODS
Publication number
20160254760
Publication date
Sep 1, 2016
Rockwell Automation Technologies, Inc.
Zhendong Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ROTOR POSITION ESTIMATION APPARATUS AND METHODS
Publication number
20160248354
Publication date
Aug 25, 2016
Rockwell Automation Technologies, Inc.
Jingbo Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ADJUSTABLE PWM METHOD TO INCREASE LOW SPEED STARTING TORQUE AND INV...
Publication number
20160126861
Publication date
May 5, 2016
Rockwell Automation Technologies, Inc.
Lixiang Wei
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD AND APPARATUS FOR STABILITY CONTROL OF OPEN LOOP MOTOR DRIVE...
Publication number
20150002067
Publication date
Jan 1, 2015
Rockwell Automation Technologies, Inc.
Thomas Nondahl
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD AND APPARATUS FOR RIPPLE AND PHASE LOSS DETECTION
Publication number
20140254217
Publication date
Sep 11, 2014
Rockwell Automation Technologies, Inc.
Bing Li
G01 - MEASURING TESTING
Information
Patent Application
Motor control for stopping a load and detecting mechanical brake sl...
Publication number
20060113148
Publication date
Jun 1, 2006
Rockwell Automation Technologies, Inc.
Robert J. DeLange
B66 - HOISTING LIFTING HAULING
Information
Patent Application
Motor control for flux-reduced braking
Publication number
20060113929
Publication date
Jun 1, 2006
Rockwell Automation Technologies, Inc.
Robert J. DeLange
G02 - OPTICS