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USPTO Patent Rankings Data through Dec 31, 2025
HP

Herbert J. Pitman — 2 Patents

Chevron: 2 patents #1,782 of 4,788Top 40%
Nederland, TX: #18 of 55 inventorsTop 35%
Texas: #52,941 of 125,132 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Herbert J. Pitman has been granted 2 US patents while listed as an inventor at Chevron. The first was granted in 1982 and the most recent in March 1983. Herbert J. Pitman ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Herbert J. Pitman in Nederland, TX, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4375403 Solvent dewaxing process Charles W. Harrison, Avilino Sequeira, Jr., John D. Begnaud 1983-03-01 $8,031,000
4354921 Solvent dewaxing process Charles W. Harrison 1982-10-19 $16,632,000