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

Mark E. Poulton — 3 Patents

Pfizer: 2 patents #2,085 of 5,153Top 45%
BPBeecham Group Plc: 1 patents #207 of 271Top 80%
Tadworth, GB: #5 of 28 inventorsTop 20%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Mark E. Poulton has been granted 3 US patents while listed as an inventor at Pfizer. The first was granted in 1991 and the most recent in February 1998. Mark E. Poulton ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Mark E. Poulton in Tadworth, GB.

Patents per Year

Patents granted per year, 1991 to 1998Bar chart with a peak of 1 patents in 1991.peak 11991: 1 patents19911997: 1 patents19971998: 1 patents1998

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5721271 Parasiticidal milbemycin derivatives Rhona M. Banks, Geoffrey H. Baker, Roderick J. Dorgan 1998-02-24 $349,421,000
5620874 Process for producing parasiticidal milbemycin derivatives by culturing streptomyces Rhona M. Banks, Geoffrey H. Baker, Roderick J. Dorgan 1997-04-15 $145,442,000
5055596 Derivatives of avermectin and milbemycin Geoffrey H. Baker, Roderick J. Dorgan, David Owen Morgan, Rhona M. Banks, Simon E. Blanchflower +1 more 1991-10-08