JK

John M. Kremer

BO Borgwarner: 9 patents #90 of 1,600Top 6%
General Motors: 3 patents #4,693 of 18,328Top 30%
Overall (All Time): #414,763 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10850352 Method of laser cutting grooves in a friction clutch plate Huaxin Li 2020-12-01
9400018 Flutter reducing wet clutch friction plate Larry D. Diemer 2016-07-26
9109641 Formed friction plate for wet friction clutch Charles S. Davis, Jeffrey J. McFarland, Larry D. Diemer 2015-08-18
7101306 Bi-directional four-mode clutch for providing low and reverse gear ratios in a transmission Christopher E. Blair, R. Keith Martin, Melissa Koenig, Brian K. Stefina 2006-09-05
6832674 Bi-directional four-mode clutch Christopher E. Blair, R. Keith Martin, Melissa Koenig, Brian K. Stefina 2004-12-21
6830531 Control strategy for load sharing between a friction clutch and one-way clutch to effect low and reverse gear ratios in a transmission Melissa Koenig, R. Keith Martin 2004-12-14
6745881 One-way clutch assembly having integrated damping 2004-06-08
6644453 Waved friction plate and assembly 2003-11-11
6543596 Multi-disk friction device having low-drag characteristics R. Keith Martin 2003-04-08
6244407 Multi-disk friction device having forced lubrication on demand R. Keith Martin, Graham M. Annear, William J. Zdeblick 2001-06-12
6189669 Multi-disk friction device having forced lubrication on demand Paul T. McCrary, R. Keith Martin 2001-02-20
6092634 Compliant cage for a roller-type bi-directional one-way clutch mechanism David C. Choate, James R. Quigley 2000-07-25