Inventor · disambiguated record
David M. Ruch
Also filed as: RUCH DAVID M
3 granted patents·203 citations·filing 1994–1997
77Inventor score
Top patents by PatentIndex Score
3 records- 0192US6123061ACrankcase ventilation systemCUMMINS ENGINE CO INC·Filed 1997·Granted Sep 26, 2000·102 cites·21 claims
- 0280US5669366AClosed crankcase ventilation systemFLEETGUARD INC·Filed 1996·Granted Sep 23, 1997·66 cites·14 claims
- 0368US5456239ACrankcase ventilation systemCUMMINS ENGINE CO INC·Filed 1994·Granted Oct 10, 1995·35 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →