Mingting HAN

Follow

Person

Harbin, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Combined operation method for work modes of walking beam pumping unit
- Patent number 10,502,038
- Issue date Dec 10, 2019
- HARBIN SURFICS ELECTRICAL TECHNOLOGY INC
- Min Zhang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC MACHINE DRIVING METHOD AND SYSTEM UNDER NON-CONVENTIONAL W...
- Publication number 20190145228
- Publication date May 16, 2019
- HARBIN SURFICS ELECTRICAL TECHNOLOGY INC
- Ye YANG
- E21 - EARTH DRILLING MINING
Information Patent Application
COMBINED OPERATION METHOD FOR WORK MODES OF WALKING BEAM PUMPING UNIT
- Publication number 20190120030
- Publication date Apr 25, 2019
- HARBIN SURFICS ELECTRICAL TECHNOLOGY INC
- Min ZHANG
- E21 - EARTH DRILLING MINING