Keller; Robert F.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Keller; Robert F..The latest application filed is for "driveline component having rotatable shaft with centrifugal valve mounted thereto".

Company Profile

2.9.7

Keller; Robert F. - Chesterfield MI
Keller; Robert F. - Salt Lake City UT
Keller; Robert F. - Lancaster PA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Twin system electric all-wheel drive supplementary drive axle Grant 11,186,162 - Schwekutsch , et al. November 30, 2	2021-11-30
Driveline component having rotatable shaft with centrifugal valve mounted thereto Grant 10,948,028 - Pritchard , et al. March 16, 2	2021-03-16
Driveline Component Having Rotatable Shaft With Centrifugal Valve Mounted Thereto App 20200325943 - PRITCHARD; Larry A. ; et al.	2020-10-15
Twin System Electric All-wheel Drive Supplementary Drive Axle App 20190077247 - SCHWEKUTSCH; Michael ; et al.	2019-03-14
Single speed transmission for plugin hybrid electric vehicle with two disconnects Grant 9,045,035 - Keller June 2, 2	2015-06-02
Single Speed Transmission For Plugin Hybrid Electric Vehicle With Two Disconnects App 20130035185 - Keller; Robert F.	2013-02-07
Single Speed Transmission For Electric Vehicle With Mechanical Or Electrical Park System App 20120285755 - KELLER; Robert F.	2012-11-15
Auxiliary electric drive assembly Grant 7,497,286 - Keller , et al. March 3, 2	2009-03-03
Auxiliary electric drive assembly App 20070023211 - Keller; Robert F. ; et al.	2007-02-01
Anti-shudder tripod type CV universal joint Grant 6,699,134 - Sams , et al. March 2, 2	2004-03-02
Anti-shudder tripod type CV universal joint App 20020115491 - Sams, Robert ; et al.	2002-08-22
High energy propellant formulation Grant H1,341 - Hughes , et al. August 2, 1	1994-08-02
High permeability heat pipe wick structure Grant 5,076,352 - Rosenfeld , et al. December 31, 1	1991-12-31
Magnetron filament having a quadrilateral cross-section Grant 4,494,034 - Keller January 15, 1	1985-01-15

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