Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Clair E. Mitchell — 4 Patents

Ford: 4 patents #4,046 of 17,473Top 25%
Detroit, MI: #248 of 1,512 inventorsTop 20%
Michigan: #22,248 of 86,293 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Clair E. Mitchell has been granted 4 US patents while listed as an inventor at Ford. The first was granted in 1984 and the most recent in November 1994. Clair E. Mitchell ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Clair E. Mitchell in Detroit, MI, US.

Patents per Year

Patents granted per year, 1984 to 1994Bar chart with a peak of 1 patents in 1984.peak 11984: 1 patents19841989: 1 patents19891991: 1 patents19911994: 1 patents1994

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5365438 Audible and visual feedback for user stimulated self-test diagnostics Karl William Wojcik, David J. Rutkowski, Peter Langer, Paul Chester Dara 1994-11-15 $10,061,000
5012168 Method and apparatus for detecting stall current in an energized electric motor Paul Chester Dara, David J. Rutkowski 1991-04-30 $31,487,000
4799309 Method of making a rectifier and control module for an alternator Carl Cinzori, Carl Williams, David Lee Striker 1989-01-24 $32,813,000
4470003 Voltage regulator with temperature responsive circuitry for reducing alternator output current 1984-09-04 $16,052,000