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HANGZHOU WOKASOLAR TECHNOLOGY CO., LTD.
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Hangzhou, Zhejiang, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Louver roller mechanism and roller system with gear clutch turning...
Patent number
9,580,958
Issue date
Feb 28, 2017
HANGZHOU WOKASOLAR TECHNOLOGY CO., LTD.
Yifei Zhang
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Louver roller system with cam pin turning mechanism
Patent number
9,493,983
Issue date
Nov 15, 2016
HANGZHOU WOKASOLAR TECHNOLOGY CO., LTD.
Yifei Zhang
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Grant
Multi-slat combination blind of rotating type
Patent number
9,163,452
Issue date
Oct 20, 2015
HANGZHOU WOKASOLAR TECHNOLOGY CO., LTD.
Yifei Zhang
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Patents Applications
last 30 patents
Information
Patent Application
Sequential control roller system for variable a pitch shutter
Publication number
20160153229
Publication date
Jun 2, 2016
HANGZHOU WOKASOLAR TECHNOLOGY CO., LTD.
YIFEI ZHANG
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Louver Roller System with an Intermittent Gear Turning Mechanism
Publication number
20150211296
Publication date
Jul 30, 2015
HANGZHOU WOKASOLAR TECHNOLOGY CO., LTD.
Yifei Zhang
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Louver Roller Mechanism and Roller System with Gear Clutch Turning...
Publication number
20150184458
Publication date
Jul 2, 2015
HANGZHOU WOKASOLAR TECHNOLOGY CO., LTD.
Yifei Zhang
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Louver Roller System with Cam Pin Turning Mechanism
Publication number
20150184457
Publication date
Jul 2, 2015
HANGZHOU WOKASOLAR TECHNOLOGY CO., LTD.
Yifei Zhang
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Multi-Slat Combination Blind of Rotating Type
Publication number
20130042982
Publication date
Feb 21, 2013
HANGZHOU WOKASOLAR TECHNOLOGY CO., LTD.
Yifei Zhang
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Multi-Slat Combination Blind of Up-Down-Movement Type
Publication number
20130037224
Publication date
Feb 14, 2013
HANGZHOU WOKASOLAR TECHNOLOGY CO., LTD.
Yifei Zhang
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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last 30 trademarks