Membership
Tour
Register
Log in
Roy S. Colby
Follow
Person
Tariffville, CT, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Rotor resistance based motor thermal protection
Patent number
11,128,253
Issue date
Sep 21, 2021
SCHNEIDER ELECTRIC USA, INC.
Roy Stephen Colby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Detection of initial motor rotation in mains-fed induction motor
Patent number
10,454,390
Issue date
Oct 22, 2019
SCHNEIDER ELECTRIC USA, INC.
Roy S. Colby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power meter with current and phase sensor
Patent number
9,851,382
Issue date
Dec 26, 2017
SCHNEIDER ELECTRIC USA, INC.
Marc Bruel
G01 - MEASURING TESTING
Information
Patent Grant
Systems, methods, and devices for demodulating induction motor inst...
Patent number
9,231,512
Issue date
Jan 5, 2016
SCHNEIDER ELECTRIC USA, INC.
Zhi Gao
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System and method for measuring atmospheric parameters in enclosed...
Patent number
8,744,630
Issue date
Jun 3, 2014
Schneider Electric USA, Inc.
Roy Stephen Colby
G05 - CONTROLLING REGULATING
Information
Patent Grant
Methods and devices for estimation of induction motor inductance pa...
Patent number
8,373,379
Issue date
Feb 12, 2013
Schneider Electric USA, Inc.
Zhi Gao
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Methods and apparatus for estimating rotor slots
Patent number
8,332,163
Issue date
Dec 11, 2012
Schneider Electric USA, Inc.
Larry A. Turner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Methods and apparatus for estimating rotor slots
Patent number
8,131,482
Issue date
Mar 6, 2012
Schneider Electric USA, Inc.
Larry A. Turner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for estimating induction motor electrical para...
Patent number
8,102,140
Issue date
Jan 24, 2012
Schneider Electric USA, Inc.
Zhi Gao
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Methods and apparatuses for estimating transient slip
Patent number
8,035,322
Issue date
Oct 11, 2011
Larry A. Turner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for estimating induction motor rotor temperature
Patent number
7,769,552
Issue date
Aug 3, 2010
Schneider Electric USA, Inc.
Roy S. Colby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Devices and methods for determining the amount of individual usage...
Patent number
7,766,231
Issue date
Aug 3, 2010
Schneider Electric USA, Inc.
Robert Gregory Oldham
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for signal phase locking
Patent number
7,680,234
Issue date
Mar 16, 2010
Schneider Electric USA, Inc.
Roy Stephen Colby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electronic overload relay for mains-fed induction motors
Patent number
7,570,074
Issue date
Aug 4, 2009
Square D Company
Zhi Gao
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for power inverter synchronization
Patent number
7,183,667
Issue date
Feb 27, 2007
Square D Company
Roy Stephen Colby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Real-time digital voltage sag compensator
Patent number
7,112,898
Issue date
Sep 26, 2006
Square D Company
Scott R. Brown
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electrical fault detection system
Patent number
7,079,365
Issue date
Jul 18, 2006
Square D Company
Scott R. Brown
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power regulator for power inverter
Patent number
7,015,597
Issue date
Mar 21, 2006
Square D Company
Roy Stephen Colby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Auto tuning and parameter identification of a control circuit
Patent number
6,452,360
Issue date
Sep 17, 2002
Square D Company
Roy Stephen Colby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Elevator DC motor drive with unity power factor, including regenera...
Patent number
6,163,472
Issue date
Dec 19, 2000
Otis Elevator Company
Roy S. Colby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Self commissioning controller for field-oriented elevator motor/dri...
Patent number
5,929,400
Issue date
Jul 27, 1999
Otis Elevator Company
Roy Stephen Colby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Automatic fine-tuning of rotor time constant and magnetizing curren...
Patent number
5,909,018
Issue date
Jun 1, 1999
Otis Elevator Company
Alberto Vecchiotti
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Automatic fine tuning of rotor time constant in field-oriented elev...
Patent number
5,896,954
Issue date
Apr 27, 1999
Otis Elevator Company
Roy Stephen Colby
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Automatic calibration of field-oriented elevator motor drive parame...
Patent number
5,883,344
Issue date
Mar 16, 1999
Otis Elevator Company
Roy Stephen Colby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Automatic calibration of current regulator control compensation for...
Patent number
5,880,415
Issue date
Mar 9, 1999
Otis Elevator Company
Roy Stephen Colby
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Automatic calibration of motor speed loop gain for an elevator moto...
Patent number
5,880,416
Issue date
Mar 9, 1999
Otis Elevator Company
Roy Stephen Colby
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Magnetic bearing with reduced control-flux-induced rotor loss
Patent number
5,821,656
Issue date
Oct 13, 1998
United Technologies Corporation
Roy S. Colby
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Elevator system having a force-estimation or position-scheduled cur...
Patent number
5,814,774
Issue date
Sep 29, 1998
Otis Elevator Company
Timothy M. Remmers
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Magnetic system for elevator car lateral suspension
Patent number
5,379,864
Issue date
Jan 10, 1995
Otis Elevator Company
Roy S. Colby
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
Information
Patent Application
ROTOR RESISTANCE BASED MOTOR THERMAL PROTECTION
Publication number
20210297034
Publication date
Sep 23, 2021
SCHNEIDER ELECTRIC USA, INC.
Roy Stephen COLBY
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DETECTION OF INITIAL MOTOR ROTATION IN MAINS-FED INDUCTION MOTOR
Publication number
20190097549
Publication date
Mar 28, 2019
SCHNEIDER ELECTRIC USA, INC.
Roy S. COLBY
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER METER WITH CURRENT AND PHASE SENSOR
Publication number
20150331024
Publication date
Nov 19, 2015
SCHNEIDER ELECTRIC USA, INC.
Marc Bruel
G01 - MEASURING TESTING
Information
Patent Application
SYSTEM AND METHOD FOR MEASURING ATMOSPHERIC PARAMETERS IN ENCLOSED...
Publication number
20120173026
Publication date
Jul 5, 2012
SCHNEIDER ELECTRIC USA, INC.
Roy Stephen Colby
G05 - CONTROLLING REGULATING
Information
Patent Application
Systems, Methods, and Devices for Demodulating Induction Motor Inst...
Publication number
20120153935
Publication date
Jun 21, 2012
SCHNEIDER ELECTRIC USA, INC.
Zhi Gao
G01 - MEASURING TESTING
Information
Patent Application
METHODS AND APPARATUS FOR ESTIMATING ROTOR SLOTS
Publication number
20120123755
Publication date
May 17, 2012
SCHNEIDER ELECTRIC USA, INC.
Larry A. Turner
G01 - MEASURING TESTING
Information
Patent Application
METHODS AND DEVICES FOR ESTIMATION OF INDUCTION MOTOR INDUCTANCE PA...
Publication number
20120098477
Publication date
Apr 26, 2012
SCHNEIDER ELECTRIC USA, INC.
Zhi Gao
G01 - MEASURING TESTING
Information
Patent Application
METHODS AND APPARATUSES FOR COMPUTATION AND DISPLAY OF EQUIPMENT OP...
Publication number
20110148883
Publication date
Jun 23, 2011
SCHNEIDER ELECTRIC USA, INC.
Roy S. Colby
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND APPARATUS FOR ESTIMATING INDUCTION MOTOR ROTOR TEMPERATURE
Publication number
20090284204
Publication date
Nov 19, 2009
Square D Company
Roy S. Colby
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD AND APPARATUS FOR ESTIMATING INDUCTION MOTOR ELECTRICAL PARA...
Publication number
20090284211
Publication date
Nov 19, 2009
Square D Company
Zhi Gao
G01 - MEASURING TESTING
Information
Patent Application
METHODS AND APPARATUS FOR ESTIMATING ROTOR SLOTS
Publication number
20090287463
Publication date
Nov 19, 2009
Square D Company
Larry A. Turner
G01 - MEASURING TESTING
Information
Patent Application
METHODS AND APPARATUSES FOR ESTIMATING TRANSIENT SLIP
Publication number
20090284212
Publication date
Nov 19, 2009
Square D Company
Larry A. Turner
G01 - MEASURING TESTING
Information
Patent Application
Devices and methods for determining the amount of individual usage...
Publication number
20060289623
Publication date
Dec 28, 2006
Robert Gregory Oldham
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Electronic overload relay for mains-fed induction motors
Publication number
20060250154
Publication date
Nov 9, 2006
SQUARE D COMPANY
Zhi Gao
G01 - MEASURING TESTING
Information
Patent Application
Method and apparatus for signal phase locking
Publication number
20050187752
Publication date
Aug 25, 2005
Roy Stephen Colby
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Method and apparatus for power inverter synchronization
Publication number
20050135031
Publication date
Jun 23, 2005
Roy Stephen Colby
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Power regulator for power inverter
Publication number
20050057950
Publication date
Mar 17, 2005
Roy Stephen Colby
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Electrical fault detection system
Publication number
20040100742
Publication date
May 27, 2004
Scott R. Brown
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Real-time digital voltage sag compensator
Publication number
20030141764
Publication date
Jul 31, 2003
SQUARE D COMPANY
Scott R. Brown
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC