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USPTO Patent Rankings Data through Dec 31, 2025
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Douglas E. Prather — 3 Patents

Eli Lilly: 3 patents #1,027 of 2,858Top 40%
Brownsburg, IN: #95 of 252 inventorsTop 40%
Indiana: #10,705 of 33,936 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Douglas E. Prather has been granted 3 US patents while listed as an inventor at Eli Lilly. The first was granted in 1995 and the most recent in November 1996. Douglas E. Prather ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Douglas E. Prather in Brownsburg, IN, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5578720 Loracarbef hydrochloride C1-C3 alcohol solvates and uses thereof Jane G. Amos, Perry C. Heath, John E. Toth 1996-11-26 $31,094,000
5550231 Loracarbef hydrochloride C1-C3 alcohol solvates and uses thereof Jane G. Amos, Perry C. Heath, John E. Toth 1996-08-27 $24,031,000
5434171 Preparation of 3,4,4-trisubstituted-piperidinyl-N-alkylcarboxylates and intermediates Scott Alan Frank, Jeffrey A. Ward, John A. Werner 1995-07-18 $18,893,000