Company Filing History:

8 out of 181

Fleetguard, Inc.

Nelson Industries, Inc.

patents

Years Active: 1996-2009

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7533520 - Exhaust aftertreatment mixer with stamped muffler flange (2009-05-19),

2. 7497301 - Tubular acoustic silencer (2009-03-03),

3. 7377954 - Performance air filtration cartridge (2008-05-27),

4. 6814041 - Multi-frequency engine intake resonator (2004-11-09),

5. 6722123 - Exhaust aftertreatment device, including chemical mixing and acoustic effects (2004-04-20),

6. 6712869 - Exhaust aftertreatment device with flow diffuser (2004-03-30),

7. 6576045 - Multi-stage diesel particulate collector system with combined processes of inertial impaction, virtual impaction, and filtration (2003-06-10),

8. 6540816 - Regenerable filter with localized and efficient heating (2003-04-01),

9. 5930371 - Tunable acoustic system (1999-07-27),

10. 5693918 - Active exhaust silencer (1997-12-02),

11. 5541373 - Active exhaust silencer (1996-07-30),

Title: C Raymond Cheng: Innovator in Exhaust Aftertreatment Systems

Introduction

C Raymond Cheng is a notable inventor based in Madison, WI (US), recognized for his contributions to exhaust aftertreatment systems. With a total of 11 patents to his name, Cheng has made significant advancements in the field of automotive technology.

Latest Patents

Among his latest patents is the "Exhaust Aftertreatment Mixer with Stamped Muffler Flange." This invention features an exhaust aftertreatment system that includes the injection of chemical species, utilizing a mixer positioned in the exhaust pipe between the injector and the aftertreatment element. The innovative design incorporates a stamped muffler flange to enhance functionality. Another significant patent is the "Tubular Acoustic Silencer," which consists of a tubular member extending along an axis with a hollow interior that defines an axial flow path. This member features a sidewall with an interior face that includes quarter wave resonators formed by blind holes, effectively improving acoustic performance.

Career Highlights

C Raymond Cheng has worked with reputable companies such as Fleetguard, Inc. and Digisonix, Inc. His experience in these organizations has contributed to his expertise in developing advanced technologies for exhaust systems.

Collaborations

Cheng has collaborated with talented individuals in his field, including Z Gerald Liu and Michael T Zuroski. These partnerships have fostered innovation and the sharing of ideas, further enhancing the quality of his work.

Conclusion

C Raymond Cheng's contributions to exhaust aftertreatment systems and acoustic technology demonstrate his commitment to innovation and excellence in engineering. His patents reflect a deep understanding of automotive needs and a drive to improve vehicle performance.

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