Quan Liu

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Ames, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Lift chair and a chair base frame with a force balance mechanism fo...
- Patent number 7,819,476
- Issue date Oct 26, 2010
- I-Trust Better Life Corp.
- Jiaxiong Gong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Linear actuator
- Patent number 7,659,647
- Issue date Feb 9, 2010
- I-Trust Better Life Corp.
- Quan Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Lift chair and a chair base frame with an actuator for use therewith
- Patent number 7,482,544
- Issue date Jan 27, 2009
- I-Trust Better Life Corp.
- Jiaxiong Gong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Linear Actuator
- Publication number 20080315728
- Publication date Dec 25, 2008
- I-Trust Better Life Corp.
- Quan Liu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Lift chair and a chair base frame with an actuator for use therewith
- Publication number 20080000761
- Publication date Jan 3, 2008
- I-Trust Better Life Corp.
- Jiaxiong Gong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Lift chair and a chair base frame with a force balance mechanism fo...
- Publication number 20080001455
- Publication date Jan 3, 2008
- I-Trust Better Life Corp.
- Jiaxiong Gong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE