Inventor
COFFEY DAN
US15 patents
⚠️ This page may combine multiple inventors who share the name “COFFEY DAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS INC
8 patentsUS8915819B2Dec 23, 2014
Multi-speed planetary gear set transmission
GM GLOBAL TECH OPERATIONS INC86 citations97
US8734286B2May 27, 2014
Multi-speed planetary gear set transmission
GM GLOBAL TECH OPERATIONS INC82 citations97
US8845476B2Sep 30, 2014
Multi-speed transmission
GM GLOBAL TECH OPERATIONS INC34 citations93
US8715129B1May 6, 2014
Multi-speed transmission
GM GLOBAL TECH OPERATIONS INC15 citations83
US9080650B2Jul 14, 2015
Multi-speed transmission
GM GLOBAL TECH OPERATIONS INC2 citations61
US7238135B2Jul 3, 2007
Three-mode continuously variable transmission with a direct low mode and two split path high modes
GM GLOBAL TECH OPERATIONS INC5 citations60
US9347537B2May 24, 2016
Multi-mode continuously variable transmission with selectable transfer gears
GM GLOBAL TECH OPERATIONS INC1 citations52
US7300377B2Nov 27, 2007
Power transmission lubrication system
GM GLOBAL TECH OPERATIONS INC0 citations40
GEN MOTORS CORP
5 patentsUS6200242B1Mar 13, 2001
Powertrain with a multi-speed transmission
GEN MOTORS CORP19 citations83
US6422968B1Jul 23, 2002
Compact six speed power transmission
GEN MOTORS CORP12 citations73
US5830102ANov 3, 1998
Five-speed power transmission
GEN MOTORS CORP13 citations73
US5105625AApr 21, 1992
Mounting for a ceramic scroll in a gas turbine machine
GEN MOTORS CORP14 citations73
US6648787B1Nov 18, 2003
Traction drive transmission
GEN MOTORS CORP5 citations62