Chengpeng YU

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Wenzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Lift-pull pen
- Patent number 11,241,903
- Issue date Feb 8, 2022
- Hangzhou Jianyi Technology Co., Ltd.
- Chengpeng Yu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Retractable pen with a push button
- Patent number 10,974,540
- Issue date Apr 13, 2021
- Hangzhou Jianyi Technology Co., Ltd.
- Chengpeng Yu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Detachable and retractable pen
- Patent number 10,960,705
- Issue date Mar 30, 2021
- Hangzhou Jianyi Technology Co., Ltd.
- Chengpeng Yu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Garbage incineration device for garbage disposal
- Patent number 10,718,514
- Issue date Jul 21, 2020
- Hangzhou Jianyi Technology Co., Ltd.
- Chengpeng Yu
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Patents Applicationslast 30 patents

Information Patent Application
LIFT-PULL PEN
- Publication number 20210023871
- Publication date Jan 28, 2021
- Hangzhou Jianyi Technology Co., Ltd.
- Chengpeng YU
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
RETRACTABLE PEN
- Publication number 20210016596
- Publication date Jan 21, 2021
- Hangzhou Jianyi Technology Co., Ltd.
- Chengpeng YU
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
GARBAGE INCINERATION DEVICE FOR GARBAGE DISPOSAL
- Publication number 20200208836
- Publication date Jul 2, 2020
- Hangzhou Jianyi Technology Co., Ltd.
- Chengpeng YU
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...