MD

Michael Duffield

BO Borgwarner: 7 patents #139 of 1,600Top 9%
General Motors: 5 patents #3,082 of 18,328Top 20%
SS Saft Groupe Sa: 2 patents #7 of 78Top 9%
BA Borg-Warner Automotive: 1 patents #123 of 259Top 50%
Overall (All Time): #319,240 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10615397 Battery design with bussing integral to battery assembly Daniel E. Kelley, Gerard Rigobert, Alexandre BEUGNON 2020-04-07
10096813 Battery design with bussing integral to battery assembly Daniel E. Kelley, Gerard Rigobert, Alexandre BEUGNON 2018-10-09
9406918 Support feature for joining of battery cell tabs Stuart D. Barter, William L. Martz, Benjamin D. Kaufman 2016-08-02
9065158 Corrugated fin and frame assembly for battery cooling William L. Martz, Megan J. Quick, Stuart D. Barter, Glenn W. Skala, Steven J. Fogarassy +2 more 2015-06-23
8673480 Support feature for joining of battery cell tabs Stuart D. Barter, William L. Martz, Benjamin D. Kaufman 2014-03-18
8574740 Molded frame with corrugated cooling fin for air-cooled battery Megan J. Quick, Derek R. Weber, Thaddeus J. Grey 2013-11-05
8221936 Method and apparatus for attachment of fuel cell stack manifold Donald H. Keskula 2012-07-17
6883481 Torsional assisted multi-position cam indexer having controls located in rotor Marty Gardner 2005-04-26
6814037 Variable camshaft timing for internal combustion engine with actuator locking Franklin R. Smith, Roger T. Simpson, Marty Gardner, Braman Wing 2004-11-09
6763791 Cam phaser for engines having two check valves in rotor between chambers and spool valve Marty Gardner 2004-07-20
6612952 Blade tensioner having spring blade cantilevered from distal end of arm Roger T. Simpson 2003-09-02
6374787 Multi-position variable camshaft timing system actuated by engine oil pressure Roger T. Simpson, Marty Gardner 2002-04-23
6311655 Multi-position variable cam timing system having a vane-mounted locking-piston device Roger T. Simpson, Marty Gardner 2001-11-06
6247434 Multi-position variable camshaft timing system actuated by engine oil Roger T. Simpson, Marty Gardner 2001-06-19
5967921 Hydraulic chain tensioner with molded plastic body Roger T. Simpson, Todd K. Preston 1999-10-19