Inventor · disambiguated record
Nathan Ritchie
Also filed as: RITCHIE NATHAN · RITCHIE NATHAN R
6 granted patents·90 citations·filing 1988–1998
84Inventor score
Top patents by PatentIndex Score
6 records- 0178US4993922AAir compressor unloader systemHOLSET ENGINEERING CO·Filed 1988·Granted Feb 19, 1991·18 cites·48 claims
- 0271US5022832ARing valve type air compressorHOLSET ENGINEERING CO·Filed 1988·Granted Jun 11, 1991·26 cites·14 claims
- 0359US5882181ABarring adaptor for an engine air compressorCUMMINS ENGINE CO INC·Filed 1996·Granted Mar 16, 1999·15 cites·10 claims
- 0452US5997260AAir compressor engine barring adaptorCUMMINS ENGINE CO LTD·Filed 1998·Granted Dec 7, 1999·13 cites·17 claims
- 0543US5213487ARing valve type air compressor with deformable ring valvesHOLSET ENGINEERING CO·Filed 1991·Granted May 25, 1993·11 cites·16 claims
- 0629US5277560ARing valve type air compressor with deformable ring valvesHOLSET ENGINEERING CO·Filed 1992·Granted Jan 11, 1994·7 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →