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USPTO Patent Rankings Data through Dec 31, 2025
JH

John C. Haas — 3 Patents

Chevron: 2 patents #1,782 of 4,788Top 40%
CCCombustion Power Company: 1 patents #4 of 10Top 40%
El Sobrante, CA: #42 of 144 inventorsTop 30%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
John C. Haas has been granted 3 US patents while listed as an inventor at Chevron. The first was granted in 1984 and the most recent in August 1993. John C. Haas ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John C. Haas in El Sobrante, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5236354 Power plant with efficient emission control for obtaining high turbine inlet temperature Gerhardt O. Goldbach, Frank B. Walton 1993-08-17
4519810 Circulation loop for carrying out two-stage reactions 1985-05-28 $13,098,000
4444569 Gasification process for carbonaceous materials 1984-04-24 $14,558,000