Qian ZHAO

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Xicheng District, Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Coupling apparatus for coiled tubings of different diameters, insta...
- Patent number 11,149,496
- Issue date Oct 19, 2021
- China National Petroleum Corporation
- Dexin Pang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Front structure of vehicle having ventilation path to cool vehicle...
- Patent number 10,300,837
- Issue date May 28, 2019
- Mazda Motor Corporation
- Norihito Iwao
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
COUPLING APPARATUS FOR COILED TUBINGS OF DIFFERENT DIAMETERS, INSTA...
- Publication number 20180209572
- Publication date Jul 26, 2018
- CHINA NATIONAL PETROLEUM CORPORATION
- DEXIN PANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
FRONT STRUCTURE OF VEHICLE
- Publication number 20170297476
- Publication date Oct 19, 2017
- MAZDA MOTOR CORPORATION
- Norihito IWAO
- B60 - VEHICLES IN GENERAL