Shanxi Quan'An New Technology Development has recently been authorized by the United States Patent and Trademark Office for the company's method and apparatus for remote coal mine leakage testing.
The apparatus for remote coal mine leakage testing will greatly reduce the mechanical and electrical accidents in coal mines and improve the reliability of power supply in coal mines, according to its inventor Guo Chunping.
It's the third US patent that the company has won, filling the gap in special apparatus for remote coal mine leakage testing.
Founded in 1999 and headquartered in Jiexiu county, Shanxi Quan'An New Technology Development is a high-tech business focusing on developing products that ensure the electrical safety of coal mines.
To date, the company owns 30 intellectual property rights including patents and trademarks with a part winning the patents of more than 30 countries and regions, such as the United States, Russia and the European Union.
