Keith Feldt — 9 Patents at Borgwarner

Keith Feldt has been granted 9 US patents while listed as an inventor at Borgwarner. The first was granted in 2014 and the most recent in September 2025. Keith Feldt ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Keith Feldt in Ithaca, NY, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12421877	Variable cam timing phaser and system including the same	Braman Wing, Adam Bruce, Chris Thomas	2025-09-23
12392265	Hydraulic variable camshaft timing with a temperature based hydraulic switch	Adam Bruce, Braman Wing	2025-08-19
12000315	Variable cam timing phaser and system including the same	Braman Wing, Adam Bruce, Chris Thomas	2024-06-04	$26,860,000
10865666	Check valve for exhausting flow of fluid from a variable cam timing phaser	Adam Bruce, Braman Wing	2020-12-15	$27,793,000
10690019	Zero pressure unlocking system for a phaser	Braman Wing, Mark M. Wigsten, Chad McCloy, Chris Pluta, Jonas Anders Adler +1 more	2020-06-23	$19,367,000
10040346	Power transfer unit (PTU) assembly with hydraulically actuated disconnect rear output shaft	John H. Rode, Jeremy Cradit	2018-08-07	$8,463,000
9868349	E-assist with torque vectoring	Larry A. Pritchard, Thaddeus Kopp	2018-01-16	$28,994,000
9599215	Hydraulic system for a driveline disconnect with independent drive rear driveline module	Larry A. Pritchard, Thad Kopp, Mark Buchanan, Peizhang Tu	2017-03-21	$11,227,000
8826760	Automatic transmission having high pressure actuation and low pressure lube hydraulic circuit	Melissa Koenig, Christopher S. Vangorder, Alexander Moser	2014-09-09	$46,932,000

Keith Feldt — 9 Patents

Issued Patents All Time

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