RM

R. Keith Martin

BO Borgwarner: 14 patents #39 of 1,600Top 3%
Overall (All Time): #340,692 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11541861 Transmission system for use in a vehicle Joel M. Maguire, Christopher A. Spangler, Keith D. Van Maanen, Thomas Foster, Mark Buchanan 2023-01-03
11473650 Method of operating a shifting system for a vehicle transmission Xinqian Xiang 2022-10-18
11326651 Shifting system including a shifting assembly and method of operating the same Xinqian Xiang, Calahan B. Campton 2022-05-10
11215242 Shifting system for vehicle transmission and method of operating the same Calahan B. Campton 2022-01-04
10473170 Centrifugally disengaging multi-mode clutch module Calahan B. Campton, John F. Guzdek 2019-11-12
9728314 Latching solenoid regulator valve Jeffrey J. Waterstredt 2017-08-08
8342051 DCT transmission utilizing a two axis chain Larry A. Pritchard, Matthew Rahaim 2013-01-01
7101306 Bi-directional four-mode clutch for providing low and reverse gear ratios in a transmission Christopher E. Blair, John M. Kremer, Melissa Koenig, Brian K. Stefina 2006-09-05
6832674 Bi-directional four-mode clutch Christopher E. Blair, John M. Kremer, 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, John M. Kremer 2004-12-14
6647816 Electrically actuated synchronizer for a vehicle transmission William J. Vukovich, Melissa Koenig 2003-11-18
6543596 Multi-disk friction device having low-drag characteristics John M. Kremer 2003-04-08
6244407 Multi-disk friction device having forced lubrication on demand John M. Kremer, Graham M. Annear, William J. Zdeblick 2001-06-12
6189669 Multi-disk friction device having forced lubrication on demand John M. Kremer, Paul T. McCrary 2001-02-20