Yifei Zhang

Person

Hangzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Mechanical control logic actuator for vacuum toilet
- Patent number 12,024,871
- Issue date Jul 2, 2024
- CHINA JILIANG UNIVERSITY
- Jiadi Lian
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Louver roller system with an intermittent gear turning mechanism
- Patent number 9,797,190
- Issue date Oct 24, 2017
- Yifei Zhang
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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 Applicationslast 30 patents

Information Patent Application
MECHANICAL CONTROL LOGIC ACTUATOR FOR VACUUM TOILET
- Publication number 20230160192
- Publication date May 25, 2023
- China Jiliang University
- Jiadi Lian
- E03 - WATER SUPPLY SEWERAGE
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

Yifei Zhang

Person

Patents Grantslast 30 patents

Mechanical control logic actuator for vacuum toilet

Louver roller system with an intermittent gear turning mechanism

Louver roller mechanism and roller system with gear clutch turning...

Louver roller system with cam pin turning mechanism

Multi-slat combination blind of rotating type

Patents Applicationslast 30 patents

MECHANICAL CONTROL LOGIC ACTUATOR FOR VACUUM TOILET

Sequential control roller system for variable a pitch shutter

Louver Roller System with an Intermittent Gear Turning Mechanism

Louver Roller Mechanism and Roller System with Gear Clutch Turning...

Louver Roller System with Cam Pin Turning Mechanism

Multi-Slat Combination Blind of Rotating Type

Multi-Slat Combination Blind of Up-Down-Movement Type