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Ralph E. Ulm — 4 Patents

UNUnisys: 4 patents #367 of 2,028Top 20%
Fairfield, IL: #11 of 58 inventorsTop 20%
Illinois: #21,640 of 84,256 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ralph E. Ulm has been granted 4 US patents. The first was granted in 1999 and the most recent in June 2002. Ralph E. Ulm ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ralph E. Ulm in Fairfield, IL, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6397822 Integrated fuel system unit with two-stage marine fuel pump Bruce Stephen, Rodney Boutwell, Paul M. Meyer 2002-06-04
6240904 Stand alone multi stage fuel pump Paul M. Meyer, Rodney Boutwell, Bruce Stephens 2001-06-05
5961293 In-take fuel pump assembly with unitary control unit for internal combustion engines Robert T. Clemmons 1999-10-05
5908020 Marine fuel pump and cooling system Rodney Boutwell 1999-06-01