Inventor · disambiguated record
David A. Ruthmansdorfer
Also filed as: RUTHMANSDORFER DAVID A
4 granted patents·175 citations·filing 1979–2000
80Inventor score
Top patents by PatentIndex Score
4 records- 0194US6640773B2Method and apparatus for gaseous fuel introduction and controlling combustion in an internal combustion engineWESTPORT RES INC·Filed 2000·Granted Nov 4, 2003·83 cites·54 claims
- 0292US4348991ADual coolant engine cooling systemCUMMINS ENGINE CO INC·Filed 1980·Granted Sep 14, 1982·73 cites·12 claims
- 0347US4343268AEnergy conserving exhaust passage for an internal combustion engineCUMMINS ENGINE CO INC·Filed 1979·Granted Aug 10, 1982·12 cites·13 claims
- 0436US4520627ATurbocharged internal combustion engineCUMMINS ENGINE CO INC·Filed 1983·Granted Jun 4, 1985·7 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →