Changzhi Fu

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Luannan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tool bar
- Patent number 11,826,894
- Issue date Nov 28, 2023
- Changzhi Fu
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Shovel head
- Patent number D952422
- Issue date May 24, 2022
- Changzhi Fu
- D08 - Tools and hardware
Information Patent Grant
Impact hand tool
- Patent number 11,059,157
- Issue date Jul 13, 2021
- Changzhi Fu
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
System, method and apparatus for recycling quenching medium
- Patent number 8,807,149
- Issue date Aug 19, 2014
- Changzhi Fu
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Rapid Assembly Type Tool Rod Connection Structure
- Publication number 20230029516
- Publication date Feb 2, 2023
- Tangshan Changzhi Agricultural Tools Design Manufacturing Co.,Ltd.
- Changzhi FU
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
TOOL BAR
- Publication number 20210387321
- Publication date Dec 16, 2021
- Tangshan Changzhi Agricultural Tools Design Manufacturing Co.,Ltd.
- Changzhi FU
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Impact Hand Tool
- Publication number 20190358800
- Publication date Nov 28, 2019
- Changzhi FU
- Changzhi FU
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
System, Method and Apparatus for Recycling Quenching Medium
- Publication number 20120222704
- Publication date Sep 6, 2012
- Changzhi Fu
- C21 - METALLURGY OF IRON