Wei Sun

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Reciprocating low-speed heavy-load hydraulic pump with variable act...
- Patent number 10,280,917
- Issue date May 7, 2019
- ZHEJIANG HAIJU TECHNOLOGY CO., LTD.
- Wei Sun
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
RECIPROCATING LOW-SPEED HEAVY-LOAD HYDRAULIC PUMP WITH VARIABLE ACT...
- Publication number 20150354557
- Publication date Dec 10, 2015
- Wei Sun
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...