Jianhua Sang

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Ningbo City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Integrated multi-function window
- Patent number 10,260,276
- Issue date Apr 16, 2019
- NINGBO XIANFENG NEW MATERIAL CO., LTD.
- Xianfeng Lu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Integrated multi-function window
- Patent number 9,657,510
- Issue date May 23, 2017
- NINGBO XIANFENG NEW MATERIAL CO., LTD.
- Xianfeng Lu
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Integrated rolling curtain window
- Patent number 9,341,021
- Issue date May 17, 2016
- NINGBO XIANFENG NEW MATERIAL CO., LTD.
- Xianfeng Lu
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Curtain pull bead fixing apparatus
- Patent number 9,175,512
- Issue date Nov 3, 2015
- NINGO XIANFENG NEW MATERIAL CO., LTD.
- Xianfeng Lu
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
INTEGRATED MULTI-FUNCTION WINDOW
- Publication number 20170204660
- Publication date Jul 20, 2017
- NINGBO XIANFENG NEW MATERIAL CO., LTD.
- Xianfeng Lu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
INTEGRATED ROLLING CURTAIN WINDOW
- Publication number 20150152683
- Publication date Jun 4, 2015
- NINGBO XIANFENG NEW MATERIAL CO., LTD.
- Xianfeng Lu
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
INTEGRATED MULTI-FUNCTION WINDOW
- Publication number 20150027059
- Publication date Jan 29, 2015
- Xianfeng Lu
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
CURTAIN PULL BEAD FIXING APPARATUS
- Publication number 20140359976
- Publication date Dec 11, 2014
- NINGBO XIANGFENG NEW MATERIAL CO., LTD.
- Xianfeng Lu
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC