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

Helmut Siepmann — 1 Patent

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Cambridge, CA: #272 of 478 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Helmut Siepmann has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 2003. Helmut Siepmann ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Helmut Siepmann in Cambridge, ON, CA.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6511357 Utility pocket for a life-jacket Dan Williams, Dave Kent 2003-01-28