Liu Zhijun

Follow

Person

Qingdao City, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Handlebar fixing device and tool cart
- Patent number 11,891,102
- Issue date Feb 6, 2024
- QINGDAO HUATIAN HAND TRUCK CO., LTD.
- Zhijun Liu
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Wheelbarrow leg stabilizer structure
- Patent number 7,000,929
- Issue date Feb 21, 2006
- Qingpao Huatian Handtruck Corporation, LTD
- Zhijun Liu
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
DUMP TRUCK
- Publication number 20240198885
- Publication date Jun 20, 2024
- QINGDAO HUATIAN HAND TRUCK CO., LTD.
- ZHIJUN LIU
- B60 - VEHICLES IN GENERAL
Information Patent Application
A DUMP TRUCK
- Publication number 20240109574
- Publication date Apr 4, 2024
- QINGDAO HUATIAN HAND TRUCK CO., LTD.
- ZHIJUN LIU
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
HANDLEBAR FIXING DEVICE AND TOOL CART
- Publication number 20230174132
- Publication date Jun 8, 2023
- QINGDAO HUATIAN HAND TRUCK CO., LTD.
- ZHIJUN LIU
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Wheelbarrow tray
- Publication number 20100013179
- Publication date Jan 21, 2010
- Liu Zhijun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL