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USPTO Patent Rankings Data through Dec 31, 2025
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Manfred Wenzel — 4 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Robert Bosch Gmbh: 1 patents #10,465 of 19,740Top 55%
Hofheim, DE: #140 of 466 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Manfred Wenzel has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1982 and the most recent in October 2019. Manfred Wenzel ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Manfred Wenzel in Hofheim, DE.

Patents per Year

Patents granted per year, 1982 to 2019Bar chart with a peak of 1 patents in 1982.peak 11982: 1 patents19821995: 1 patents19951996: 1 patents19962019: 1 patents2019

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D863087 Flow checking apparatus Peter Henrich 2019-10-15
5522268 Turbine hub including pulse-generating elements sealing disposed within a two part molded container 1996-06-04
5428994 Calorimetric flow indicator Jurgen Willner 1995-07-04
4347626 Radio telephone communication network 1982-08-31