Duffield; Michael

Patent Applications and Registrations

Patent applications and USPTO patent grants for Duffield; Michael.The latest application filed is for "support feature for joining of battery cell tabs".

Company Profile

0.14.10

Duffield; Michael - St. Johns FL
Duffield; Michael - Medina NY US
Duffield; Michael - Willseyville NY

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Support feature for joining of battery cell tabs Grant 9,406,918 - Barter , et al. August 2, 2	2016-08-02
Corrugated fin and frame assembly for battery cooling Grant 9,065,158 - Martz , et al. June 23, 2	2015-06-23
Support Feature For Joining Of Battery Cell Tabs App 20140113169 - Barter; Stuart D. ; et al.	2014-04-24
Support feature for joining of battery cell tabs Grant 8,673,480 - Barter , et al. March 18, 2	2014-03-18
Molded frame with corrugated cooling fin for air-cooled battery Grant 8,574,740 - Quick , et al. November 5, 2	2013-11-05
Method and apparatus for attachment of fuel cell stack manifold Grant 8,221,936 - Duffield , et al. July 17, 2	2012-07-17
Molded Frame With Corrugated Cooling Fin For Air-cooled Battery App 20120040222 - Quick; Megan J. ; et al.	2012-02-16
Support Feature For Joining Of Battery Cell Tabs App 20120009462 - Barter; Stuart D. ; et al.	2012-01-12
Corrugated Fin And Frame Assembly For Battery Cooling App 20110293982 - Martz; William L. ; et al.	2011-12-01
Method and apparatus for attachment of fuel cell stack manifold App 20060234106 - Duffield; Michael ; et al.	2006-10-19
Torsional assisted multi-position cam indexer having controls located in rotor Grant 6,883,481 - Gardner , et al. April 26, 2	2005-04-26
Variable camshaft timing for internal combustion engine with actuator locking Grant 6,814,037 - Smith , et al. November 9, 2	2004-11-09
Cam phaser for engines having two check valves in rotor between chambers and spool valve Grant 6,763,791 - Gardner , et al. July 20, 2	2004-07-20
Torsional assisted multi-position cam indexer having controls located in rotor App 20040099232 - Gardner, Marty ; et al.	2004-05-27
Hybrid multi-position cam indexer having controls located in rotor App 20030033998 - Gardner, Marty ; et al.	2003-02-20
Torsional assisted cam phaser for four cylinder engines having two check valves in rotor between chambers and spool valve App 20030033999 - Gardner, Marty ; et al.	2003-02-20
Multi-position variable camshaft timing system actuated by engine oil pressure Grant 6,374,787 - Simpson , et al. April 23, 2	2002-04-23
Variable valve timing with actuator locking for internal combustion engine App 20010054402 - Simpson, Roger T. ; et al.	2001-12-27
Multi-position variable cam timing system having a vane-mounted locking-piston device Grant 6,311,655 - Simpson , et al. November 6, 2	2001-11-06
Multi-position variable camshaft timing system actuated by engine oil pressure App 20010027763 - Simpson, Roger T. ; et al.	2001-10-11
Multi-position variable camshaft timing system actuated by engine oil Grant 6,247,434 - Simpson , et al. June 19, 2	2001-06-19

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