Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Friedbert Schmid — 15 Patents

UNUnknown: 10 patents #823 of 83,584Top 1%
WGWilhelm Stahlecker Gmbh: 3 patents #1 of 7Top 15%
NGNovibra Gmbh: 1 patents #3 of 6Top 50%
RARieter Ingolstadt Spinnereimaschinenbau Ag: 1 patents #77 of 143Top 55%
Bad Überkingen, DE: #2 of 9 inventorsTop 25%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Friedbert Schmid has been granted 15 US patents while listed as an inventor at Unknown. The first was granted in 1984 and the most recent in December 2004. Friedbert Schmid ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Friedbert Schmid in Bad Überkingen, DE.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
6826899 Rotor shaft for an open-end spining rotor Mathias Burchert 2004-12-07
6190053 Step bearing housing for an open-end spinning rotor shaft and method of operating same Gerd Stahlecker 2001-02-20
6067786 Opening device for an open-end spinning aggregate and method of making same 2000-05-30
6006512 Rotor cup for open-end spinning and method of making same 1999-12-28
5867974 Opening device for an open-end spinning machine 1999-02-09
5768880 Opening roller for an open-end spinning device 1998-06-23
5749216 Open end spinning apparatus Kurt Lang 1998-05-12
5689946 Opening roller for an open-end spinning arrangement 1997-11-25
5321943 Yarn withdrawal nozzle for open-end spinning arrangements Gunter Tromer 1994-06-21
5164236 Opening roller for an open-end spinning arrangement 1992-11-17
4894983 Opening roller for an open-end spinning arrangement 1990-01-23
4703616 Bearing and drive for a horizontally arranged open-end spinning rotor Wolfgang Feuchter, Dieter Goetz 1987-11-03
RE32507 Opening roller unit for open-end spinning installations Hans Raasch 1987-09-22
4667464 Bearing and driving arrangement for a spinning rotor of an open-end spinning machine Fritz Stahlecker, Wolfgang Feuchter, Dieter G/o/ tz, Werner Zott 1987-05-26
4435953 Opening roller unit for open-end spinning installations Hans Raasch 1984-03-13