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USPTO Patent Rankings Data through Dec 31, 2025
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Stephen A. Ackmann — 3 Patents

Eli Lilly: 2 patents #1,312 of 2,858Top 50%
Indianapolis, IN: #1,715 of 5,011 inventorsTop 35%
Indiana: #10,705 of 33,936 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Stephen A. Ackmann has been granted 3 US patents while listed as an inventor at Eli Lilly. The first was granted in 1989 and the most recent in October 1990. Stephen A. Ackmann ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Stephen A. Ackmann in Indianapolis, IN, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4966623 Use of gametocidal pyrazoles to produce hybrid seed James R. Beck, Fred L. Wright 1990-10-30
4902808 Process for preparing 4-carboxy-1-(3,5-dimethylphenyl)-5-pyrazolecarboxamide James R. Beck, Fred L. Wright 1990-02-20 $6,979,000
4801326 1-phenylpyrazole-4,5-dicarboxylic acid derivatives, composition containing them, and pollen formation inhibiting method of using them James R. Beck, Fred L. Wright 1989-01-31 $7,333,000