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

Don A. Dearwester — 6 Patents

Pfizer: 8 patents #652 of 5,153Top 15%
Westerly, RI: #18 of 131 inventorsTop 15%
Rhode Island: #1,060 of 6,211 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Don A. Dearwester has been granted 6 US patents while listed as an inventor at Pfizer. The first was granted in 2002 and the most recent in July 2008. Don A. Dearwester ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Don A. Dearwester in Westerly, RI, US.

Patents per Year

Patents granted per year, 2002 to 2008Bar chart with a peak of 3 patents in 2004.peak 32002: 1 patents20022003: 1 patents20032004: 3 patents20042008: 1 patents2008

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7393535 Adjuvants for use in vaccines David Roberts, Leroy A. Swearingin 2008-07-01 $232,894,000
6814971 Adjuvants for use in vaccines David Roberts, Leroy A. Swearingin 2004-11-09 $245,520,000
6800734 Leptospira vaccine antigens for the prevention of Leptospirosis Eric A. Utt, Michael Stephen Willy 2004-10-05 $392,072,000
6733754 Adjuvants for use in vaccines David Roberts, Leroy A. Swearingin 2004-05-11 $185,019,000
6572861 Adjuvants for use in vaccines David Roberts, Leroy A. Swearingin 2003-06-03
6482924 Leptospira vaccine antigens for the prevention of Leptospirosis Eric A. Utt, Michael Stephen Willy 2002-11-19 $419,363,000