C. Raymond Cheng

Person

Madison, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Exhaust aftertreatment mixer with stamped muffler flange
- Patent number 7,533,520
- Issue date May 19, 2009
- Fleetguard, Inc.
- C. Raymond Cheng
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Tubular acoustic silencer
- Patent number 7,497,301
- Issue date Mar 3, 2009
- Fleetguard, Inc.
- C. Raymond Cheng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Performance air filtration cartridge
- Patent number 7,377,954
- Issue date May 27, 2008
- Fleetguard, Inc.
- Larry T. Gunderson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Multi-frequency engine intake resonator
- Patent number 6,814,041
- Issue date Nov 9, 2004
- Fleetguard, Inc.
- C. Raymond Cheng
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Exhaust aftertreatment device, including chemical mixing and acoust...
- Patent number 6,722,123
- Issue date Apr 20, 2004
- Fleetguard, Inc.
- Z. Gerald Liu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Exhaust aftertreatment device with flow diffuser
- Patent number 6,712,869
- Issue date Mar 30, 2004
- Fleetguard, Inc.
- C. Raymond Cheng
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Multi-stage diesel particulate collector system with combined proce...
- Patent number 6,576,045
- Issue date Jun 10, 2003
- Fleetguard, Inc.
- Z. Gerald Liu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Regenerable filter with localized and efficient heating
- Patent number 6,540,816
- Issue date Apr 1, 2003
- Fleetguard, Inc.
- Mark C. Allie
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Tunable acoustic system
- Patent number 5,930,371
- Issue date Jul 27, 1999
- Nelson Industries, Inc.
- C. Raymond Cheng
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Active exhaust silencer
- Patent number 5,693,918
- Issue date Dec 2, 1997
- Digisonix, Inc.
- Cary D. Bremigan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Active exhaust silencer
- Patent number 5,541,373
- Issue date Jul 30, 1996
- Digisonix, Inc.
- C. Raymond Cheng
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Infinitely variable aftertreatment systems and manufacturing process
- Publication number 20080069742
- Publication date Mar 20, 2008
- CUMMINS FILTRATION IP, INC.
- David Toy
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Exhaust aftertreatment mixer with stamped muffler flange
- Publication number 20070245718
- Publication date Oct 25, 2007
- C. Raymond Cheng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Tubular acoustic silencer
- Publication number 20060180389
- Publication date Aug 17, 2006
- C. Raymond Cheng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Performance air filtration cartridge
- Publication number 20060162303
- Publication date Jul 27, 2006
- Larry T. Gunderson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Exhaust aftertreatment device with flow diffuser
- Publication number 20030159414
- Publication date Aug 28, 2003
- C. Raymond Cheng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Exhaust aftertreatment device, including chemical mixing and acoust...
- Publication number 20030079467
- Publication date May 1, 2003
- Z. Gerald Liu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Multi-stage diesel particulate collector system with combined proce...
- Publication number 20030047074
- Publication date Mar 13, 2003
- Z. Gerald Liu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
REGENERABLE FILTER WITH LOCALIZED AND EFFICIENT HEATING
- Publication number 20030037674
- Publication date Feb 27, 2003
- Mark C. Allie
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

C. Raymond Cheng

Person

Patents Grantslast 30 patents

Exhaust aftertreatment mixer with stamped muffler flange

Tubular acoustic silencer

Performance air filtration cartridge

Multi-frequency engine intake resonator

Exhaust aftertreatment device, including chemical mixing and acoust...

Exhaust aftertreatment device with flow diffuser

Multi-stage diesel particulate collector system with combined proce...

Regenerable filter with localized and efficient heating

Tunable acoustic system

Active exhaust silencer

Active exhaust silencer

Patents Applicationslast 30 patents

Infinitely variable aftertreatment systems and manufacturing process

Exhaust aftertreatment mixer with stamped muffler flange

Tubular acoustic silencer

Performance air filtration cartridge

Exhaust aftertreatment device with flow diffuser

Exhaust aftertreatment device, including chemical mixing and acoust...

Multi-stage diesel particulate collector system with combined proce...

REGENERABLE FILTER WITH LOCALIZED AND EFFICIENT HEATING