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

Douglas Weissmann — 3 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Cayucos, CA: #4 of 18 inventorsTop 25%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Douglas Weissmann has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1995 and the most recent in October 2011. Douglas Weissmann ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Douglas Weissmann in Cayucos, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8028684 Device and method of throwing objects Robert S. Szemeredi 2011-10-04
7964978 Wind turbine having a blade ring using magnetic levitation 2011-06-21
D354625 Toothbrush 1995-01-24