Jingfeng ZHANG

Person

  • Suzhou Jiansu, CN

Patents Grantslast 30 patents

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