Guan Fumin

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
System for purifying and removing contaminants from gaseous fluids
- Patent number 6,939,397
- Issue date Sep 6, 2005
- Eco-Rx, Inc.
- Roger Nelsen
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Compact fluorescent lamp having a detachable translucent cover
- Patent number 6,296,375
- Issue date Oct 2, 2001
- MaxLite-SK America, Inc.
- Yon W. Sung
- F21 - LIGHTING
Information Patent Grant
Compact fluorescent lamp
- Patent number D437645
- Issue date Feb 13, 2001
- MaxLite-SK America, Inc.
- Yon W. Sung
- D26 - Lighting

Patents Applicationslast 30 patents

Information Patent Application
System for purifying and removing contaminants from gaseous fluids
- Publication number 20050000365
- Publication date Jan 6, 2005
- Roger Nelsen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE