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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Eugen Bader — 5 Patents

UNUnknown: 7 patents #1,646 of 83,584Top 2%
Rottweil, DE: #21 of 106 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Eugen Bader has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in November 1989. Eugen Bader ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Eugen Bader in Rottweil, DE.

Patents per Year

Patents granted per year, 1980 to 1989Bar chart with a peak of 2 patents in 1980.peak 21980: 2 patents19801981: 1 patents19811989: 2 patents1989

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4882812 Opening roller for an opening device of an open-end spinning machine Gerhard Fetzer 1989-11-28
4805395 Opening roller for an opening device of an open-end spinning machine Fritz Stahlecker, Hans Stahlecker, Gerhard Fetzer 1989-02-21
4301581 Method and apparatus for the production of turned workpieces on multi-station machine tools Kurt Jauch 1981-11-24
4208779 Automatic transfer machine Kurt Jauch 1980-06-24
4199285 Machining unit having adjustable cutter spindle by Antonie Bader, administratix, Kurt Jauch 1980-04-22