Gongchun Zhang

Person

Zengcheng City, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Louver turning mechanism and hollow glass doors or windows with bui...
- Patent number 8,499,815
- Issue date Aug 6, 2013
- CMECH (Guangzhou) Industrial Ltd.
- Gongchun Zhang
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Door closer capable of realizing self-control positioning
- Patent number 8,443,488
- Issue date May 21, 2013
- CMECH (Guangzhou) Industrial Ltd.
- Gongchun Zhang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Side-hung door or window single latch lock
- Patent number 8,419,081
- Issue date Apr 16, 2013
- Cmech (Guangzhou) Industrial, Ltd.
- Gongchun Zhang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
LEVER HANDLE LOCK FOR CASEMENT DOORS AND WINDOWS
- Publication number 20130292954
- Publication date Nov 7, 2013
- CMECH (GUANGZHOU) INDUSTRIAL LTD.
- Gongchun Zhang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
SLIDING HANDLE LOCK FOR DOOR AND WINDOW
- Publication number 20120292926
- Publication date Nov 22, 2012
- CMECH (GUANGZHOU) INDUSTRIAL LTD.
- Gongchun Zhang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
LOUVER TURNING MECHANISM AND HOLLOW GLASS DOORS OR WINDOWS WITH BUI...
- Publication number 20120240469
- Publication date Sep 27, 2012
- CMECH (GUANGZHOU) INDUSTRIAL LTD.
- GONGCHUN ZHANG
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
DOOR CLOSER CAPABLE OF REALIZING SELF-CONTROL POSITIONING
- Publication number 20120167340
- Publication date Jul 5, 2012
- CMECH (GUANGZHOU) INDUSTRIAL LTD.
- Gongchun Zhang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
QUICKLY ASSEMBLABLE MORTISE LOCK
- Publication number 20120034021
- Publication date Feb 9, 2012
- CMECH (Guangzhou) Industrial Ltd.
- Gongchun Zhang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
THREE-DIRECTION ADJUSTABLE HINGE
- Publication number 20110296652
- Publication date Dec 8, 2011
- BETTELI INC HONG KONG
- Gongchun ZHANG
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
SIDE-HUNG DOOR OR WINDOW SINGLE LATCH LOCK
- Publication number 20110185777
- Publication date Aug 4, 2011
- CMECH (GUANGZHOU) INDUSTRIAL LTD.
- Gongchun Zhang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
SIDE HUNG TYPE DOOR OR WINDOW HANDLE LOCK
- Publication number 20110167883
- Publication date Jul 14, 2011
- CMECH (GUANGZHOU) INDUSTRIAL LTD.
- Gongchun Zhang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Gongchun Zhang

Person

Patents Grantslast 30 patents

Louver turning mechanism and hollow glass doors or windows with bui...

Door closer capable of realizing self-control positioning

Side-hung door or window single latch lock

Patents Applicationslast 30 patents

LEVER HANDLE LOCK FOR CASEMENT DOORS AND WINDOWS

SLIDING HANDLE LOCK FOR DOOR AND WINDOW

LOUVER TURNING MECHANISM AND HOLLOW GLASS DOORS OR WINDOWS WITH BUI...

DOOR CLOSER CAPABLE OF REALIZING SELF-CONTROL POSITIONING

QUICKLY ASSEMBLABLE MORTISE LOCK

THREE-DIRECTION ADJUSTABLE HINGE

SIDE-HUNG DOOR OR WINDOW SINGLE LATCH LOCK

SIDE HUNG TYPE DOOR OR WINDOW HANDLE LOCK