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USPTO Patent Rankings Data through Dec 31, 2025
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Gerhard Feichtinger — 9 Patents

UNUnknown: 4 patents #4,220 of 83,584Top 6%
AGAvl List Gmbh: 1 patents #247 of 613Top 45%
Graz, AT: #173 of 2,200 inventorsTop 8%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Gerhard Feichtinger has been granted 9 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in April 2000. Gerhard Feichtinger ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Gerhard Feichtinger in Graz, AT.

Patents per Year

Patents granted per year, 1980 to 2000Bar chart with a peak of 2 patents in 1984.peak 21980: 1 patents19801982: 1 patents19821983: 1 patents19831984: 2 patents19841985: 1 patents19851986: 1 patents19861987: 1 patents19872000: 1 patents2000

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6053140 Internal combustion engine with externally supplied ignition Horst Tschetsch 2000-04-25
4651689 Internal combustion engine with first order mass balancing 1987-03-24
4582028 Internal combustion, reciprocating piston, liquid cooling engine Johann Wagner, Othmar Skatsche, Robert Hofer 1986-04-15
4530314 Water-cooled two-cylinder two-stroke internal combustion engine 1985-07-23
4480601 Water-cooled two-stroke internal combustion engine Othmar Skatsche 1984-11-06
4428338 Internal combustion engine Othmar Skatsche, Helmut Melde-Tuczai, Bruno Schukoff 1984-01-31
4411227 Internal combustion engine 1983-10-25
4343271 Low-noise-level internal combustion engines Othmar Skatsche 1982-08-10
4213439 Internal combustion engine Othmar Skatsche, Hans List 1980-07-22