Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Amazon › Hermann Haarkotter
HH

Hermann Haarkotter — 1 Patent

Amazon: 1 patents #10,717 of 19,158Top 60%
Krefeld, DE: #627 of 1,103 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Hermann Haarkotter has been granted 1 US patent while listed as an inventor at Amazon. All of these patents were granted in 1987. Hermann Haarkotter ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Hermann Haarkotter in Krefeld, DE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4660811 Synthetic-resin compression spring Dieter Muhlhahn, Gino Marsella, Friedhelm Detzner, Dieter Simons, Horst Schafer 1987-04-28

Frequent Collaborators

Dieter Simons1 shared
Friedhelm Detzner1 shared
Horst Schafer1 shared
Gino Marsella1 shared
Dieter Muhlhahn1 shared

Nearby-Ranked Inventors

Andrew Whitesides Lloyd1
Xianwu Meng1
Phillip COLETTI1
Yuchen Mao1
Sheng'an ZHANG1
Hayeong Nam1
Pedro Fernando Gomez Fernandez1
Kira Astakhova1
Amir EISEN1