Pinghua GUO

Follow

Person

Wuhan, Hubei, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Onsite steel rail laser processing engineering vehicle
- Patent number 10,808,364
- Issue date Oct 20, 2020
- WUHAN NRD LASER ENGINEERING CO., LTD.
- Xiaoyan Zeng
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR REINFORCING RAIL BY LASER AND AUXILIARY HEAT SOURCE EFFI...
- Publication number 20200199698
- Publication date Jun 25, 2020
- Wuhan Hivalue Intelaser Ltd.
- Xiaoyan ZENG
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ONSITE STEEL RAIL LASER PROCESSING ENGINEERING VEHICLE
- Publication number 20190161918
- Publication date May 30, 2019
- WUHAN NRD LASER ENGINEERING CO., LTD.
- Xiaoyan ZENG
- B60 - VEHICLES IN GENERAL