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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Kaufman — 3 Patents

Pfizer: 3 patents #1,614 of 5,153Top 35%
Berwyn, PA: #86 of 235 inventorsTop 40%
Pennsylvania: #23,787 of 74,527 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David Kaufman has been granted 3 US patents while listed as an inventor at Pfizer. The first was granted in 2004 and the most recent in August 2009. David Kaufman ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David Kaufman in Berwyn, PA, US.

Patents per Year

Patents granted per year, 2004 to 2009Bar chart with a peak of 1 patents in 2004.peak 12004: 1 patents20042006: 1 patents20062009: 1 patents2009

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7576215 Quinolines and pharmaceutical compositions thereof Michael D. Collini, Robert R. Singhaus, Jr., Baihua Hu, James Jetter, Robert L. Morris +8 more 2009-08-18 $124,238,000
7022733 Substituted 2-phenyl benzofurans as estrogenic agents Christopher Miller, Michael D. Collini, Robert L. Morris, Robert R. Singhaus, Jr., John W. Ullrich +4 more 2006-04-04 $39,675,000
6774248 Substituted 2-phenyl benzofurans as estrogenic agents Christopher Miller, Michael D. Collini, Robert L. Morris, Robert R. Singhaus, Jr., John W. Ullrich +4 more 2004-08-10 $274,916,000