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USPTO Patent Rankings Data through Dec 31, 2025
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Christopher E. Blair — 9 Patents

BOBorgwarner: 9 patents #90 of 1,600Top 6%
Fenton, MI: #50 of 454 inventorsTop 15%
Michigan: #10,673 of 86,293 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Christopher E. Blair has been granted 9 US patents while listed as an inventor at Borgwarner. The first was granted in 2003 and the most recent in September 2021. Christopher E. Blair ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Christopher E. Blair in Fenton, MI, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11125281 Rotating multimode clutch module for all wheel drive system Brett Peglowski, Keith Martin, Calahan B. Campton, Brett J. Lee 2021-09-21 $15,725,000
10145426 Multi-mode clutches for forward/reverse planetary gearset Brett J. Lee, Christopher A. Spangler, Mitsuru Ishihara 2018-12-04 $43,623,000
9108615 Multimode clutch for a parallel hybrid vehicle Brett J. Lee, Christopher A. Spangler, Mitsuru Ishihara 2015-08-18 $10,650,000
7694780 Pump for transfer case Hans R. Beels van Heemstede, Charles E. Johnson, Wayne Wyant, Bryan C. Wright 2010-04-13 $17,393,000
7673539 Serviceable seal for transfer case Thomas Knox 2010-03-09 $18,829,000
7101306 Bi-directional four-mode clutch for providing low and reverse gear ratios in a transmission John M. Kremer, R. Keith Martin, Melissa Koenig, Brian K. Stefina 2006-09-05 $4,892,000
6832674 Bi-directional four-mode clutch John M. Kremer, R. Keith Martin, Melissa Koenig, Brian K. Stefina 2004-12-21 $7,202,000
6588559 Two-way clutch biasing assembly 2003-07-08 $6,180,000
6554113 Torque limiting accessory drive assembly Jin Li, William J. Vukovich 2003-04-29 $5,854,000