Inventor · disambiguated record
C. Raymond Cheng
Also filed as: CHENG C RAYMOND
11 granted patents·1 pending application·664 citations·filing 1994–2006
93Inventor score
Top patents by PatentIndex Score
12 records- 0196US6712869B2Exhaust aftertreatment device with flow diffuserFLEETGUARD INC·Filed 2002·Granted Mar 30, 2004·112 cites·5 claims
- 0295US6722123B2Exhaust aftertreatment device, including chemical mixing and acoustic effectsFLEETGUARD INC·Filed 2002·Granted Apr 20, 2004·139 cites·16 claims
- 0394US6576045B2Multi-stage diesel particulate collector system with combined processes of inertial impaction, virtual impaction, and filtrationFLEETGUARD INC·Filed 2001·Granted Jun 10, 2003·67 cites·27 claims
- 0490US7533520B2Exhaust aftertreatment mixer with stamped muffler flangeFLEETGUARD INC·Filed 2006·Granted May 19, 2009·47 cites·13 claims
- 0590US6540816B2Regenerable filter with localized and efficient heatingFLEETGUARD INC·Filed 2001·Granted Apr 1, 2003·49 cites·31 claims
- 0688US7497301B2Tubular acoustic silencerFLEETGUARD INC·Filed 2005·Granted Mar 3, 2009·20 cites·7 claims
- 0788US5930371ATunable acoustic systemNELSON IND INC·Filed 1997·Granted Jul 27, 1999·83 cites·29 claims
- 0886US6814041B1Multi-frequency engine intake resonatorFLEETGUARD INC·Filed 2003·Granted Nov 9, 2004·26 cites·24 claims
- 0984US5693918AActive exhaust silencerDIGISONIX INC·Filed 1996·Granted Dec 2, 1997·72 cites·4 claims
- 1076US7377954B2Performance air filtration cartridgeFLEETGUARD INC·Filed 2005·Granted May 27, 2008·7 cites·25 claims
- 1174US5541373AActive exhaust silencerDIGISONIX INC·Filed 1994·Granted Jul 30, 1996·42 cites·17 claims
- 1242US2008069742A1Infinitely variable aftertreatment systems and manufacturing processCUMMINS FILTRATION IP INC·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →