Jianguo CHEN

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Ningbo, CN

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Patents Grantslast 30 patents

Information Patent Grant
Reel pipe motor and a rolling curtain positioning control system
- Patent number 9,840,870
- Issue date Dec 12, 2017
- NINGBO XIANFENG NEW MATERIAL CO., LTD.
- Xianfeng Lu
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Solar LED indicator for road railings
- Patent number 8,210,719
- Issue date Jul 3, 2012
- Jianguo Chen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
A REEL PIPE MOTOR AND A ROLLING CURTAIN POSITIONING CONTROL SYSTEM
- Publication number 20170183908
- Publication date Jun 29, 2017
- NINGBO XIANFENG NEW MATERIAL CO., LTD
- Xianfeng LU
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
SOLAR LED INDICATOR FOR ROAD RAILINGS
- Publication number 20110157880
- Publication date Jun 30, 2011
- Jianguo CHEN
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES