Jingfeng ZHANG

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Suzhou Jiansu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Automatic door operator
- Patent number 11,946,306
- Issue date Apr 2, 2024
- Assa Abloy Entrance Systems AB
- Yong Chen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Automatic door operator and drive mechanism thereof
- Patent number 11,939,808
- Issue date Mar 26, 2024
- Assa Abloy Entrance Systems AB
- Yong Chen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC DOOR OPERATOR AND METHOD FOR DRIVING THE SAME
- Publication number 20220205305
- Publication date Jun 30, 2022
- ASSA ABLOY ENTRANCE SYSTEMS AB
- Jingfeng ZHANG
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
AUTOMATIC DOOR OPERATOR AND DRIVE MECHANISM THEREOF
- Publication number 20220170307
- Publication date Jun 2, 2022
- ASSA ABLOY ENTRANCE SYSTEMS AB
- Yong CHEN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
AUTOMATIC DOOR OPERATOR
- Publication number 20220162897
- Publication date May 26, 2022
- ASSA ABLOY ENTRANCE SYSTEMS AB
- Yong CHEN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES