Changhai FENG

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum adsorption unit and vacuum adsorption carrier
- Patent number 10,861,728
- Issue date Dec 8, 2020
- BOE Technology Group Co., Ltd.
- Hanbo Zheng
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Membrane material lamination device and membrane material laminatio...
- Patent number 10,730,275
- Issue date Aug 4, 2020
- BOE Technology Group Co., Ltd.
- Zengsheng He
- B32 - LAYERED PRODUCTS
Information Patent Grant
Evaporation source and evaporation device
- Patent number 10,208,375
- Issue date Feb 19, 2019
- BOE Technology Group Co., Ltd.
- Dejiang Zhao
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
MEMBRANE MATERIAL LAMINATION DEVICE AND MEMBRANE MATERIAL LAMINATIO...
- Publication number 20180281375
- Publication date Oct 4, 2018
- BOE TECHNOLOGY GROUP CO., LTD.
- Zengsheng He
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VACUUM ADSORPTION UNIT AND VACUUM ADSORPTION CARRIER
- Publication number 20180247848
- Publication date Aug 30, 2018
- BOE TECHNOLOGY GROUP CO., LTD.
- Hanbo ZHENG
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
EVAPORATION APPARATUS
- Publication number 20170058396
- Publication date Mar 2, 2017
- BOE TECHNOLOGY GROUP CO., LTD.
- Junmin Sun
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
EVAPORATION SOURCE AND EVAPORATION DEVICE
- Publication number 20170051395
- Publication date Feb 23, 2017
- BOE TECHNOLOGY GROUP CO., LTD.
- Dejiang ZHAO
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...