Guangrong XU

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Self-adjustable gas isolator
- Patent number 10,508,426
- Issue date Dec 17, 2019
- Guangrong Xu
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
SELF-ADJUSTABLE GAS ISOLATOR
- Publication number 20180087249
- Publication date Mar 29, 2018
- Guangrong XU
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
POWER BOOSTER
- Publication number 20170328431
- Publication date Nov 16, 2017
- Guangrong XU
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...