CHEN HUI ZHU

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Patents Grantslast 30 patents

Information Patent Grant
Assembled ladder
- Patent number 11,891,857
- Issue date Feb 6, 2024
- JIANGSU ZHOU JIJIE INTELLIGENT TECHNOLOGY CO., LTD.
- Chen Hui Zhu
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Lifting positioning structure for ladder tool platform
- Patent number 11,821,262
- Issue date Nov 21, 2023
- JIANGSU ZHOU JIJIE INTELLIGENT TECHNOLOGY CO., LTD.
- Chen Hui Zhu
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Telescopic positioning structure used for ladder
- Patent number 11,319,751
- Issue date May 3, 2022
- JIANGSU ZHOU JIJIE INTELLIGENT TECHNOLOGY CO., LTD.
- Chen Hui Zhu
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
Assembled Ladder
- Publication number 20200378183
- Publication date Dec 3, 2020
- Jiangsu Zhou Jijie Intelligent Technology Co.,Ltd
- CHEN HUI ZHU
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
RUNG MOUNTING STRUCTURE USED FOR LADDER
- Publication number 20200240208
- Publication date Jul 30, 2020
- Jiangsu Zhou Jijie Intelligent Technology Co.,Ltd
- CHEN HUI ZHU
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
LIFTING POSITIONING STRUCTURE FOR LADDER TOOL PLATFORM
- Publication number 20200240207
- Publication date Jul 30, 2020
- Jiangsu Zhou Jijie lntelligent Technology Co.,Ltd
- CHEN HUI ZHU
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
TELESCOPIC POSITIONING STRUCTURE USED FOR LADDER
- Publication number 20200240209
- Publication date Jul 30, 2020
- Jiangsu Zhou Jijie lntelligent Technology Co.,Ltd
- CHEN HUI ZHU
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS