Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KL

Keith D. Larson — 2 Patents

AMAmoco: 2 patents #385 of 1,251Top 35%
Chicago, IL: #5,248 of 13,327 inventorsTop 40%
Illinois: #34,875 of 84,256 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Keith D. Larson has been granted 2 US patents while listed as an inventor at Amoco. The first was granted in 1992 and the most recent in February 1993. Keith D. Larson ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Keith D. Larson in Chicago, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5183933 Process for preparing 2,6-naphthalene-dicarboxylic acid Jon J. Harper, George E. Kuhlmann, Rosemary F. McMahon, Paul A. Sanchez 1993-02-02 $32,195,000
5113015 Recovery of acetic acid from methyl acetate David Aaron Palmer, Kristi A. Fjare 1992-05-12 $25,299,000