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USPTO Patent Rankings Data through Dec 31, 2025
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David E. Steinmeyer — 2 Patents

Pfizer: 2 patents #2,085 of 5,153Top 45%
Chesterfield, MO: #2,585 of 6,461 inventorsTop 45%
Missouri: #8,937 of 23,789 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David E. Steinmeyer has been granted 2 US patents while listed as an inventor at Pfizer. The first was granted in 2008 and the most recent in April 2012. David E. Steinmeyer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David E. Steinmeyer in Chesterfield, MO, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8148331 Method for the preparation of growth hormone and antagonist thereof having lower levels of isoform impurities thereof Anurag Singh Rathore, Stephen B. Lyle, Scott I. Allen, John Meyer, Denis Boyle +2 more 2012-04-03 $158,781,000
7470779 Process for decreasing aggregate levels of pegylated protein Denis Boyle, John J. Buckley, Gary V. Johnson, Michele Toal, Serdar Aykent +1 more 2008-12-30 $289,865,000