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

Donna E. Prunkard — 3 Patents

ZYZymogenetics: 2 patents #162 of 284Top 60%
PBPharming Intellectual Property B.V.: 1 patents #7 of 25Top 30%
Seattle, WA: #8,351 of 21,776 inventorsTop 40%
Washington: #28,186 of 76,902 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Donna E. Prunkard has been granted 3 US patents while listed as an inventor at Zymogenetics. The first was granted in 1997 and the most recent in September 2011. Donna E. Prunkard ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Donna E. Prunkard in Seattle, WA, US.

Patents per Year

Patents granted per year, 1997 to 2011Bar chart with a peak of 1 patents in 1997.peak 11997: 1 patents19971999: 1 patents19992011: 1 patents2011

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
RE42704 Production of fibrinogen in transgenic animals Donald C. Foster 2011-09-13
5905185 Protein C production in non-human transgenic mammals Ian Garner, Ian Cottingham, Simon M. Temperley, Donald C. Foster, Cindy A. Sprecher 1999-05-18
5639940 Production of fibrinogen in transgenic animals Ian Garner, Michael Dalrymple, Donald C. Foster 1997-06-17