JUNG-CHUNG CHEN

Person

Shanghai, CN

People

Patents Applicationslast 30 patents

Information Patent Application
SWITCHING DEVICE FOR DELAYED UNLOCKING FUNCTION
- Publication number 20250223843
- Publication date Jul 10, 2025
- Shanghai Ming Wei Hardware Co., Ltd.
- Jung-Chung CHEN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
NARROW-TYPE DOOR-LOCK DRIVING DEVICE
- Publication number 20250215726
- Publication date Jul 3, 2025
- Shanghai Ming Wei Hardware Co., Ltd.
- Jung-Chung CHEN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
SWITCHING DEVICE FOR DELAYED UNLOCKING FUNCTION
- Publication number 20250215729
- Publication date Jul 3, 2025
- Shanghai Ming Wei Hardware Co., Ltd.
- Jung-Chung CHEN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
DELAYED UNLOCKING PUSH-DOWN TYPE EMERGENCY DOOR-LOCKING DEVICE
- Publication number 20250198197
- Publication date Jun 19, 2025
- Shanghai Ming Wei Hardware Co., Ltd.
- Jung-Chung CHEN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
AUTOMATIC-ALARMING PUSH-DOWN TYPE EMERGENCY DOOR-LOCKING DEVICE
- Publication number 20250163726
- Publication date May 22, 2025
- Shanghai Ming Wei Hardware Co., Ltd.
- Jung-Chung CHEN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
UNLOCKING TRANSMISSION MECHANISM FOR ELECTRIC CONTROL SYSTEM OF EME...
- Publication number 20240295138
- Publication date Sep 5, 2024
- Shanghai Ming Wei Hardware Co., Ltd.
- Jung-Chung CHEN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
UNIVERSAL ADAPTOR FOR DOOR HANDLE
- Publication number 20230265678
- Publication date Aug 24, 2023
- Shanghai Ming Wei Hardware Co., Ltd.
- JUNG-CHUNG CHEN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

JUNG-CHUNG CHEN

Person

Patents Applicationslast 30 patents

SWITCHING DEVICE FOR DELAYED UNLOCKING FUNCTION

NARROW-TYPE DOOR-LOCK DRIVING DEVICE

SWITCHING DEVICE FOR DELAYED UNLOCKING FUNCTION

DELAYED UNLOCKING PUSH-DOWN TYPE EMERGENCY DOOR-LOCKING DEVICE

AUTOMATIC-ALARMING PUSH-DOWN TYPE EMERGENCY DOOR-LOCKING DEVICE

UNLOCKING TRANSMISSION MECHANISM FOR ELECTRIC CONTROL SYSTEM OF EME...

UNIVERSAL ADAPTOR FOR DOOR HANDLE