Binfeng Chen

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Interactive warning system and warning device for merchandise security
- Patent number 11,217,075
- Issue date Jan 4, 2022
- Hangzhou Langhong Technology Co., Ltd
- Binfeng Chen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Warning system, monitor device and warning device for merchandise s...
- Patent number 11,017,644
- Issue date May 25, 2021
- Hangzhou Langhong Technology Co., Ltd
- Binfeng Chen
- G08 - SIGNALLING
Information Patent Grant
Grading control system and control device for merchandise security
- Patent number 10,922,912
- Issue date Feb 16, 2021
- Hangzhou Langhong Technology Co., Ltd
- Binfeng Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Touch-type control system, control device and monitor device for me...
- Patent number 10,916,084
- Issue date Feb 9, 2021
- Hangzhou Langhong Technology Co., Ltd
- Binfeng Chen
- G08 - SIGNALLING
Information Patent Grant
Security system and method for merchandise security
- Patent number 10,916,111
- Issue date Feb 9, 2021
- Hangzhou Langhong Kechuang Technology Co., Ltd.
- Binfeng Chen
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Touch-Type Control System, Control Device and Monitor Device for Me...
- Publication number 20200184756
- Publication date Jun 11, 2020
- HANGZHOU LANGHONG TECHNOLOGY CO., LTD.
- Binfeng Chen
- G07 - CHECKING-DEVICES
Information Patent Application
Grading Control System and Control Device for Merchandise Security
- Publication number 20200184789
- Publication date Jun 11, 2020
- HANGZHOU LANGHONG TECHNOLOGY CO., LTD.
- Binfeng Chen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Warning System, Monitor Device and Warning Device for Merchandise S...
- Publication number 20200168060
- Publication date May 28, 2020
- HANGZHOU LANGHONG TECHNOLOGY CO., LTD.
- Binfeng Chen
- G08 - SIGNALLING
Information Patent Application
Interactive Warning System and Warning Device for Merchandise Security
- Publication number 20200168062
- Publication date May 28, 2020
- HANGZHOU LANGHONG TECHNOLOGY CO., LTD.
- Binfeng Chen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Security System and Method for Merchandise Security
- Publication number 20200126377
- Publication date Apr 23, 2020
- Hangzhou Langhong Kechuang Technology Co., Ltd.
- Binfeng Chen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES