DW

Darren J. Weber

AT Allison Transmission: 27 patents #5 of 196Top 3%
QI Quest Diagnostics Investments: 7 patents #40 of 229Top 20%
General Motors: 6 patents #2,601 of 18,328Top 15%
TE Thomson Consumer Electronics: 1 patents #246 of 436Top 60%
📍 Rancho Santa Margarita, CA: #28 of 743 inventorsTop 4%
🗺 California: #10,935 of 386,348 inventorsTop 3%
Overall (All Time): #74,874 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
8762018 Method and apparatus for clutch pressure control Thomas H. Wilson, Charles F. Long, Travis A. Brown 2014-06-24
8744697 Variator lockout valve system Charles F. Long, John William Edward Fuller 2014-06-03
8727942 Dual pump regulator system for a motor vehicle transmission Charles F. Long, John W.E. Fuller 2014-05-20
8721494 Variator multiplex valve scheme for a torroidal traction drive transmision Charles F. Long, John William Edward Fuller 2014-05-13
8676515 System and method for detecting clutch-related faults in an automatic transmission Charles F. Long, John William Edward Fuller 2014-03-18
8589043 Fail-to-neutral system and method for toroidal traction drive automatic transmission Charles F. Long, John William Edward Fuller 2013-11-19
8578802 System and method for multiplexing gear engagement control and providing fault protection in a toroidal traction drive automatic transmission Charles F. Long, John William Edward Fuller 2013-11-12
8424373 Variator fault detection system Charles F. Long 2013-04-23
8401752 Fail-to-neutral system and method for a toroidal traction drive automatic transmission Charles F. Long, John William Edward Fuller 2013-03-19
8052563 Electro-hydraulic control system for transmission with dual-area piston for torque-transmitting mechanism Jason Ellis, Charles F. Long 2011-11-08
7980995 Electro-hydraulic control system with multiplexed solenoid for retarder operation and main pressure modulation Charles F. Long, Jason Ellis 2011-07-19
RE42131 Fly-by-wire limp home and multi-plex system Charles F. Long, Phillip F. McCauley, Scott E. Mundy, Jeffrey E. Shultz 2011-02-08
7611001 Plugged filter detection system Charles F. Long 2009-11-03
7150288 Control valve apparatus Charles F. Long 2006-12-19
7140993 Fly-by-wire limp home and multi-plex system Charles F. Long, Phillip F. Mc Cauley 2006-11-28
D398221 Attachment clip Jonathan D. Isom, Bradley J. Garret, Arjun Madiman 1998-09-15