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USPTO Patent Rankings Data through Dec 31, 2025
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Phillip Chappell — 2 Patents

Pfizer: 2 patents #2,085 of 5,153Top 45%
Guilford, CT: #220 of 437 inventorsTop 55%
Connecticut: #15,713 of 34,797 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Phillip Chappell has been granted 2 US patents while listed as an inventor at Pfizer. The first was granted in 2000 and the most recent in July 2002. Phillip Chappell ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Phillip Chappell in Guilford, CT, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6423708 Aralkyl and aralkylidene heterocyclic lactams and imides Megan Gibbs, Harry Howard, Jeffrey S. Sprouse, Joel Schachter 2002-07-23 $298,656,000
6127373 Method of treating tourette's syndrome and obsessive compulsive disorder 2000-10-03 $951,191,000