JH

Jeffery S. Hawkins

DD Detroit Diesel: 27 patents #2 of 181Top 2%
📍 Burbank, CA: #27 of 2,041 inventorsTop 2%
🗺 California: #19,737 of 386,348 inventorsTop 6%
Overall (All Time): #147,216 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
8649961 Method of diagnosing several systems and components by cycling the EGR valve Marc C. Allain, Justin R. Kollien 2014-02-11
8160800 System and method of fan control Todd Slater, Charles C. Blake, Miguel Menoyo-Alonso, Darren P. Aherne, Matthew T. Baird 2012-04-17
7873452 Method and system for controlling a vehicle powertrain based upon actual vehicle load Charles C. Blake 2011-01-18
7650781 Method for verifying the functionality of the components of a diesel particulate filter system Donald E. Keski-Hynnila, Harald Wedler, Reinhard Pfundt, Frank S. Groer, Mark A. Zurawski +8 more 2010-01-26
7631552 Method of verifying component functionality on EGR and air systems Donald E. Keski-Hynnila, Harald Wedler, Reinhard Pfundt, Frank S. Groer, Mark A. Zurawski +7 more 2009-12-15
7286917 Method of detecting vehicle speed sensor failure Hugh Cairns 2007-10-23
7280907 Method of enhancing accelerator pedal safety interlock feature Dennis M. Letang 2007-10-09
7104924 System and method for controlling engine idle speed based on operational state settings 2006-09-12
7091629 Engine control system and method of automatic starting and stopping a combustion engine 2006-08-15
7072761 Redundant engine shutdown system Curtis P. Ritter 2006-07-04
7000587 System for changing a selected engine function based on sensed weather conditions 2006-02-21
6993426 Method of engine overspeed protection by inhibiting operator throttle input 2006-01-31
6925375 System and method for determining a parameter set for an engine controller module Curtis P. Ritter, James Edward Zuccaro, Victor J. Meloche, Karen Elizabeth Weber 2005-08-02
6904352 Method of estimating engine cooling fan power losses Richard M. Avery, Jr., Leopold Super 2005-06-07
6814053 Method and apparatus for limiting engine operation in a programmable range Kurt J. Couture, Richard M. Avery, Jr., Ian Daniel McKenzie 2004-11-09
6640469 Snow blower vehicle and method for improving snow blower vehicle performance Ian Daniel McKenzie, David Brunette, Richard M. Avery, Jr. 2003-11-04
6529815 Method and system for enhanced engine control Ian Daniel McKenzie 2003-03-04
6523525 Engine control system and method of controlling an internal combustion engine having a mandatory engine warm-up period 2003-02-25
6487995 Engine controller and enclosure assembly Craig Markyvech, Dennis J. Sitek 2002-12-03
6457466 Method and system for enhanced engine control based on exhaust temperature Curtis P. Ritter, Ian Daniel McKenzie 2002-10-01
6453853 Method of controlling a variable speed fan Charles C. Blake, Ronald William Mikulik, Steve M. Weisman 2002-09-24
6371081 Inhibit engine speed governor Richard M. Avery, Jr., Donald M. McDonald 2002-04-16
6339741 Engine speed control with resume from idle or near idle Curtis P. Ritter, Marleen F. Thompson 2002-01-15
6328000 Closed loop fan control using fan speed feedback Steve M. Weisman 2001-12-11
6273034 Closed loop fan control using fan motor pressure feedback Steve M. Weisman 2001-08-14