Dan Coffey — 15 Patents at General Motors

Dan Coffey has been granted 15 US patents while listed as an inventor at General Motors. The first was granted in 1992 and the most recent in November 2022. Dan Coffey ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Dan Coffey in Howell, MI, US.

Patents per Year

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11499615	Compact split torque transmission for wide overall ratio coverage	Chi Teck Lee, Christopher Michael Kaminski, Kirk L. Wirth	2022-11-15	$29,270,000
9458916	Guide pin assembly	Pete R. Garcia, Bradford E. Vorbeck	2016-10-04	$7,190,000
9347537	Multi-mode continuously variable transmission with selectable transfer gears	Tejinder Singh	2016-05-24	$6,955,000
9080650	Multi-speed transmission	Kent H. Kienzle, David M. Zini, John A. Diemer, Pete R. Garcia, Tejinder Singh +1 more	2015-07-14	$6,417,000
8915819	Multi-speed planetary gear set transmission	Tejinder Singh	2014-12-23	$11,759,000
8845476	Multi-speed transmission	—	2014-09-30	$7,115,000
8734286	Multi-speed planetary gear set transmission	Tejinder Singh	2014-05-27	$8,188,000
8715129	Multi-speed transmission	—	2014-05-06	$11,167,000
7300377	Power transmission lubrication system	Boris Burgman	2007-11-27	$7,518,000
7238135	Three-mode continuously variable transmission with a direct low mode and two split path high modes	Michael Colby Sefcik	2007-07-03	$11,410,000
6648787	Traction drive transmission	—	2003-11-18
6422968	Compact six speed power transmission	—	2002-07-23
6200242	Powertrain with a multi-speed transmission	—	2001-03-13
5830102	Five-speed power transmission	—	1998-11-03
5105625	Mounting for a ceramic scroll in a gas turbine machine	Albert H. Bell, III	1992-04-21

Dan Coffey — 15 Patents

Patents per Year

Issued Patents All Time

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