Lawrence CHEN

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Cross bar type unlock-driving structure
- Patent number 12,209,436
- Issue date Jan 28, 2025
- SHANGHAI MING WEI HARDWARE CO., LTD.
- Lawrence Chen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Universal door lock-driving assembly
- Patent number 10,597,910
- Issue date Mar 24, 2020
- SHANGHAI MINGWEI HARDWARE CO., LTD.
- Lawrence Chen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
CROSS BAR TYPE UNLOCK-DRIVING STRUCTURE
- Publication number 20220268060
- Publication date Aug 25, 2022
- Shanghai MingWei Hardware Co., Ltd.
- Lawrence CHEN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
CROSS BAR TYPE UNIVERSAL LOCK-DRIVING STRUCTURE
- Publication number 20210140201
- Publication date May 13, 2021
- Shanghai MingWei Hardware Co., Ltd.
- Lawrence CHEN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
UNIVERSAL DOOR LOCK-DRIVING ASSEMBLY
- Publication number 20170314299
- Publication date Nov 2, 2017
- Shanghai MingWei Hardware Co., Ltd.
- Lawrence CHEN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
LOCKER ASSEMBLY FOR DOOR BOARDS
- Publication number 20160168879
- Publication date Jun 16, 2016
- Shanghai MingWei Hardware Co., Ltd.
- Lawrence CHEN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES