Wenjuan DOU

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Yangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Internal supporting part structure for plastic tank
- Patent number 11,685,254
- Issue date Jun 27, 2023
- YAPP AUTOMOTIVE SYSTEMS CO., LTD
- Lin Jiang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Support for connecting upper and lower surfaces inside fuel tank
- Patent number 11,618,314
- Issue date Apr 4, 2023
- YAPP AUTOMOTIVE SYSTEMS CO., LTD
- Liang Liu
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
INTERNAL SUPPORTING PART STRUCTURE FOR PLASTIC TANK
- Publication number 20220063398
- Publication date Mar 3, 2022
- YAPP Automotive Systems Co., Ltd.
- Lin JIANG
- B60 - VEHICLES IN GENERAL
Information Patent Application
SUPPORT FOR CONNECTING UPPER AND LOWER SURFACES INSIDE FUEL TANK
- Publication number 20210237558
- Publication date Aug 5, 2021
- YAPP Automotive Systems Co., Ltd.
- Liang LIU
- B60 - VEHICLES IN GENERAL