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Michael C. Duffield
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Willseyville, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Battery design with bussing integral to battery assembly
Patent number
10,615,397
Issue date
Apr 7, 2020
Saft Groupe SA
Michael C. Duffield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Battery design with bussing integral to battery assembly
Patent number
10,096,813
Issue date
Oct 9, 2018
Saft Groupe SA
Michael C. Duffield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Support feature for joining of battery cell tabs
Patent number
9,406,918
Issue date
Aug 2, 2016
GM Global Technology Operations LLC
Stuart D. Barter
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Corrugated fin and frame assembly for battery cooling
Patent number
9,065,158
Issue date
Jun 23, 2015
GM Global Technology Operations LLC
William L. Martz
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Support feature for joining of battery cell tabs
Patent number
8,673,480
Issue date
Mar 18, 2014
GM Global Technology Operations LLC
Stuart D. Barter
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Molded frame with corrugated cooling fin for air-cooled battery
Patent number
8,574,740
Issue date
Nov 5, 2013
GM Global Technology Operations LLC
Megan J. Quick
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method and apparatus for attachment of fuel cell stack manifold
Patent number
8,221,936
Issue date
Jul 17, 2012
GM Global Technology Operations LLC
Michael Duffield
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Torsional assisted multi-position cam indexer having controls locat...
Patent number
6,883,481
Issue date
Apr 26, 2005
BorgWarner Inc.
Marty Gardner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Variable camshaft timing for internal combustion engine with actuat...
Patent number
6,814,037
Issue date
Nov 9, 2004
BorgWarner Inc.
Franklin R. Smith
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Cam phaser for engines having two check valves in rotor between cha...
Patent number
6,763,791
Issue date
Jul 20, 2004
BorgWarner Inc.
Marty Gardner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Blade tensioner having spring blade cantilevered from distal end of...
Patent number
6,612,952
Issue date
Sep 2, 2003
BorgWarner Inc.
Roger T. Simpson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Multi-mode control system for variable camshaft timing devices
Patent number
6,453,859
Issue date
Sep 24, 2002
BorgWarner Inc.
Frank R. Smith
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Multi-position variable camshaft timing system actuated by engine o...
Patent number
6,374,787
Issue date
Apr 23, 2002
BorgWarner Inc.
Roger T. Simpson
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Multi-position variable cam timing system having a vane-mounted loc...
Patent number
6,311,655
Issue date
Nov 6, 2001
BorgWarner Inc.
Roger T. Simpson
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Multi-position variable camshaft timing system actuated by engine oil
Patent number
6,247,434
Issue date
Jun 19, 2001
BorgWarner Inc.
Roger T. Simpson
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Hydraulic chain tensioner with molded plastic body
Patent number
5,967,921
Issue date
Oct 19, 1999
Borg-Warner Automotive, Inc.
Roger T. Simpson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
BATTERY DESIGN WITH BUSSING INTEGRAL TO BATTERY ASSEMBLY
Publication number
20190006654
Publication date
Jan 3, 2019
SAFT GROUPE SA
Michael C. DUFFIELD
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BATTERY DESIGN AND METHOD OF ASSEMBLY
Publication number
20150140418
Publication date
May 21, 2015
SAFT GROUPE SA
Michael C. Duffield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BATTERY DESIGN WITH BUSSING INTEGRAL TO BATTERY ASSEMBLY
Publication number
20150140419
Publication date
May 21, 2015
SAFT GROUPE SA
Michael C. DUFFIELD
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SUPPORT FEATURE FOR JOINING OF BATTERY CELL TABS
Publication number
20140113169
Publication date
Apr 24, 2014
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Stuart D. Barter
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MOLDED FRAME WITH CORRUGATED COOLING FIN FOR AIR-COOLED BATTERY
Publication number
20120040222
Publication date
Feb 16, 2012
GM Global Technology Operations, Inc.
Megan J. Quick
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SUPPORT FEATURE FOR JOINING OF BATTERY CELL TABS
Publication number
20120009462
Publication date
Jan 12, 2012
GM Global Technology Operations, Inc.
Stuart D. Barter
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CORRUGATED FIN AND FRAME ASSEMBLY FOR BATTERY COOLING
Publication number
20110293982
Publication date
Dec 1, 2011
GM Global Technology Operations, Inc.
William L. Martz
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method and apparatus for attachment of fuel cell stack manifold
Publication number
20060234106
Publication date
Oct 19, 2006
Michael Duffield
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Torsional assisted multi-position cam indexer having controls locat...
Publication number
20040099232
Publication date
May 27, 2004
BorgWarner Inc.
Marty Gardner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Hybrid multi-position cam indexer having controls located in rotor
Publication number
20030033998
Publication date
Feb 20, 2003
Marty Gardner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Torsional assisted cam phaser for four cylinder engines having two...
Publication number
20030033999
Publication date
Feb 20, 2003
Marty Gardner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Multi-mode control system for variable camshaft timing devices
Publication number
20020088413
Publication date
Jul 11, 2002
Frank R. Smith
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Variable valve timing with actuator locking for internal combustion...
Publication number
20010054402
Publication date
Dec 27, 2001
Roger T. Simpson
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Multi-position variable camshaft timing system actuated by engine o...
Publication number
20010027763
Publication date
Oct 11, 2001
Roger T. Simpson
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES