Keith D. Van Maanen — 19 Patents at General Motors

Keith D. Van Maanen has been granted 19 US patents while listed as an inventor at General Motors. The first was granted in 1991 and the most recent in October 2024. Keith D. Van Maanen ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Keith D. Van Maanen in Birmingham, MI, US.

Patents per Year

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12109881	Modular electric vehicle drive module	Chengyun Guo	2024-10-08	$55,743,000
11732789	Assembly for use in an electric vehicle	Chengyun Guo	2023-08-22	$26,552,000
11541861	Transmission system for use in a vehicle	Joel M. Maguire, R. Keith Martin, Christopher A. Spangler, Thomas Foster, Mark Buchanan	2023-01-03	$22,548,000
11485216	Transmission system for use in a hybrid vehicle and method of controlling the same	Joel M. Maguire	2022-11-01	$19,530,000
9242545	Negative-torque downshift execution for fixed-gear transmissions	Craig J. Hawkins, Adam J. Heisel, Christopher E. Whitney, Matthew D. Whitton, Roger Joseph Rademacher	2016-01-26	$10,568,000
9067599	Transmission oil pressure control during engine autostart	Roger Joseph Rademacher, Craig J. Hawkins	2015-06-30	$7,582,000
8606447	Method and apparatus to operate a powertrain system including an electric machine having a disconnected high-voltage battery	Chandra S. Namuduri, Suresh Gopalakrishnan, Bryan M. Ludwig, Bon Ho Bae	2013-12-10	$5,499,000
8466586	High-voltage terminal assembly with integral high-voltage interlock	James E. Tarchinski, William J. Omell, Ryan M. Meroz	2013-06-18	$9,827,000
8314578	Control of an alternator-starter for a hybrid electric vehicle having a disconnected high-voltage battery	Chandra S. Namuduri, Bryan M. Ludwig, Suresh Gopalakrishnan	2012-11-20	$12,520,000
8116932	Auxiliary pump diagnostic systems and methods	William L. Aldrich, III, Steven A. Tarnowsky, Michael E. Polom, Roger Joseph Rademacher, Donald D. Crites +2 more	2012-02-14	$9,166,000
8042993	Air-cooled power electronics service algorithm	—	2011-10-25	$6,784,000
8020650	Control of a starter-alternator during a high-voltage battery fault condition	Sean E. Gleason, Chandra S. Namuduri, Steven V. Wybo	2011-09-20	$8,350,000
7720587	Variable operation of vehicle transmissions using rough road sensing	Mike M. McDonald, William C. Albertson	2010-05-18
6703739	Powertrain with motor generator rotor having torque transmission mounting ring	Eric Brian Schutt, Addison T. Solak	2004-03-09	$9,797,000
6208036	Powertrain with integrated motor generator	David Evans	2001-03-27
5749439	Hydraulic fluid storage for a powertrain	—	1998-05-12
5385221	Cranking clutch assembly for use in conjunction with an input isolator for a vehicular drivetrain	—	1995-01-31
5086887	Anchor pin for brake band	Jeffrey K. Baran	1992-02-11
5013289	Power transmission	—	1991-05-07