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USPTO Patent Rankings Data through Dec 31, 2025
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Ernst Wendorff — 4 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Taunusstein, DE: #36 of 158 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ernst Wendorff has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1994 and the most recent in October 1998. Ernst Wendorff ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ernst Wendorff in Taunusstein, DE.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5827467 Method and apparatus for forming flanges on tubes Hans-Peter Ruppert 1998-10-27
5369973 Process and device for bending tubes which can be deformed or bent 1994-12-06
5370424 Pipe connection 1994-12-06
5286072 Pipe connection for high pressure application Hans-Peter Ruppert 1994-02-15