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USPTO Patent Rankings Data through Dec 31, 2025
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Henry L. Cottrell — 2 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Selma, CA: #6 of 21 inventorsTop 30%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Henry L. Cottrell has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in September 1987. Henry L. Cottrell ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Henry L. Cottrell in Selma, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4691945 Conduit couplings William L. Venturi 1987-09-08
4253405 Method and a system for incinerating combustible wastes Wesley A. Faith 1981-03-03