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

Sharon Klepfer — 5 Patents

Pfizer: 5 patents #1,040 of 5,153Top 25%
Broomall, PA: #20 of 152 inventorsTop 15%
Pennsylvania: #16,056 of 74,527 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Sharon Klepfer has been granted 5 US patents while listed as an inventor at Pfizer. The first was granted in 2000 and the most recent in November 2003. Sharon Klepfer ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Sharon Klepfer in Broomall, PA, US.

Patents per Year

Patents granted per year, 2000 to 2003Bar chart with a peak of 2 patents in 2003.peak 22000: 1 patents20002001: 1 patents20012002: 1 patents20022003: 2 patents2003

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6642359 Recombinant feline coronavirus S proteins Timothy J. Miller, Albert Paul Reed, Nancy E. Pfeiffer, Brian Suiter, Elaine V. Jones 2003-11-04 $235,509,000
6602504 Canine coronavirus S gene and uses therefor Timothy J. Miller, Albert Paul Reed, Elaine V. Jones 2003-08-05 $285,366,000
6372224 Canine coronavirus S gene and uses therefor Timothy J. Miller, Albert Paul Reed, Elaine V. Jones 2002-04-16 $246,300,000
6280974 Recombinant feline coronavirus S proteins Timothy J. Miller, Albert Paul Reed, Nancy E. Pfeiffer, Brian Suiter, Elaine V. Jones 2001-08-28 $801,319,000
6057436 Canine coronavirus S gene and uses therefor Timothy J. Miller, Albert Paul Reed 2000-05-02 $261,390,000