Ji CHEN

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Panjin City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Folding pallet truck
- Patent number 11,912,327
- Issue date Feb 27, 2024
- Jiaxing Li
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Pallet carrier
- Patent number 10,640,348
- Issue date May 5, 2020
- Ningbo Ruyi Joint Stock Co., Ltd.
- Zhenyu Pan
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electric pullet truck
- Patent number 10,093,336
- Issue date Oct 9, 2018
- Ningbo Ruyi Joint Stock Co., Ltd.
- Zhenyu Pan
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Pre-sressed insulated tubing
- Patent number 9,027,607
- Issue date May 12, 2015
- General Machinery Plant of Liaohe Petroleum Exploration Bureau of CNPC
- Yaoqing Pan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
FOLDING PALLET TRUCK
- Publication number 20230339530
- Publication date Oct 26, 2023
- NINGBO RUYI JOINT STOCK CO., LTD
- Jiaxing LI
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
PALLET CARRIER
- Publication number 20180334368
- Publication date Nov 22, 2018
- Zhenyu PAN
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ELECTRIC PULLET TRUCK
- Publication number 20170120941
- Publication date May 4, 2017
- Ningbo Ruyi Joint Stock Co., Ltd.
- Zhengyu Pan
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Pre-Sressed Insulated Tubing
- Publication number 20120175007
- Publication date Jul 12, 2012
- General Machinery Plant of Liaohe Petroleum Exploration Bureau of CNPC
- Yaoqing PAN
- E21 - EARTH DRILLING MINING