Earl Nelson

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Livonia, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for measuring pressure on the substrate of spin formed catal...
- Patent number 6,732,429
- Issue date May 11, 2004
- Visteon Global Technologies, Inc.
- Li Houliang
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Spin-forming method for making catalytic converter
- Patent number 6,701,617
- Issue date Mar 9, 2004
- Visteon Global Technologies, Inc.
- Houliang Li
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Seamless catalytic converter comprising inner heat shield
- Publication number 20040081594
- Publication date Apr 29, 2004
- Houliang Li
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SPIN-FORMING METHOD FOR MAKING CATALYTIC CONVERTER
- Publication number 20040025341
- Publication date Feb 12, 2004
- Houliang Li
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method for measuring pressure on the substrate of spin formed catal...
- Publication number 20020104214
- Publication date Aug 8, 2002
- Li Houliang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method of spin forming oblique end cones of a catalytic converter
- Publication number 20020062562
- Publication date May 30, 2002
- Houliang Li
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL