Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David C. Thomas — 4 Patents

RORosemount: 2 patents #215 of 629Top 35%
KCKaiser Aluminum & Chemical: 1 patents #33 of 123Top 30%
W&Whitaker &: 1 patents #650 of 1,437Top 50%
Moraga, CA: #112 of 363 inventorsTop 35%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David C. Thomas has been granted 4 US patents while listed as an inventor at Rosemount. The first was granted in 1987 and the most recent in December 1997. David C. Thomas ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David C. Thomas in Moraga, CA, US.

Patents per Year

Patents granted per year, 1987 to 1997Bar chart with a peak of 2 patents in 1993.peak 21987: 1 patents19871993: 2 patents19931997: 1 patents1997

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5697805 Alignment assist shroud for an electrical connector Richard Edward Orstad 1997-12-16 $296,000
5255980 Black body TRD temperature sensor Stephen C. Jensen, Gerald R. Cucci, Charles M. Peterson, Shelle D. Tilstra, Steven J. Rychnovsky 1993-10-26 $22,519,000
5211480 TRD temperature sensor and electronics Stephen C. Jensen, Gerald R. Cucci, Charles M. Peterson, Shelle D. Tilstra, Steven J. Rychnovsky 1993-05-18 $15,590,000
4650369 Culvert structure John William Alcorn, William T. Nearn, II 1987-03-17 $6,367,000