Zunfeng LIU

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Shanghai, CN

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Patents Applicationslast 30 patents

Information Patent Application
Pet litter box and control method of pet litter box
- Publication number 20240000037
- Publication date Jan 4, 2024
- XIAOWEI (SHANGHAI) BIOTECHNOLOGY CO., LTD
- Zunfeng LIU
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
INTEGRATED DIAPHRAGM PUMP
- Publication number 20220288544
- Publication date Sep 15, 2022
- XIAOWEI (SHANGHAI) BIOTECHNOLOGY CO., LTD
- Zunfeng LIU
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...