Guozheng LI

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Beijing, CN

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Patents Applicationslast 30 patents

Information Patent Application
CENTRIFUGAL FAN AND FAN BLADES HAVING INTEGRAL COOLING PORTION
- Publication number 20220010807
- Publication date Jan 13, 2022
- Zhiqiang LI
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
IMPELLER BLADE FOR CENTRIFUGAL FAN AND MANUFACTURING METHOD THEREOF
- Publication number 20200263699
- Publication date Aug 20, 2020
- ACM FAN INC.
- Zhiqiang LI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...