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Patents Grantslast 30 patents

Information Patent Grant
Device for repairing appearance defects and repair method
- Patent number 11,407,077
- Issue date Aug 9, 2022
- Hefei Xinsheng Optoelectronics Technology Co., Ltd.
- Guangfei Chen
- B24 - GRINDING POLISHING
Information Patent Grant
Film forming method
- Patent number 11,242,596
- Issue date Feb 8, 2022
- BOE Technology Group Co., Ltd.
- Guangfei Chen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Feeder system
- Patent number 10,662,001
- Issue date May 26, 2020
- BOE Technology Group Co., Ltd.
- Guangfei Chen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Screen printing system and cleaning method thereof
- Patent number 10,569,529
- Issue date Feb 25, 2020
- BOE Technology Group Co., Ltd.
- Guangfei Chen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
FILM FORMING METHOD
- Publication number 20210222287
- Publication date Jul 22, 2021
- BOE TECHNOLOGY GROUP CO., LTD.
- Guangfei CHEN
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
DEVICE FOR REPAIRING APPEARANCE DEFECTS AND REPAIR METHOD
- Publication number 20200180097
- Publication date Jun 11, 2020
- HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
- Guangfei CHEN
- B24 - GRINDING POLISHING
Information Patent Application
FEEDER SYSTEM
- Publication number 20190270600
- Publication date Sep 5, 2019
- BOE TECHNOLOGY GROUP CO., LTD.
- Guangfei CHEN
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SCREEN PRINTING SYSTEM AND CLEANING METHOD THEREOF
- Publication number 20180244037
- Publication date Aug 30, 2018
- BOE TECHNOLOGY GROUP CO., LTD.
- Guangfei CHEN
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS