Patents by Inventor Charles M. McCoy

Charles M. McCoy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of strip mining
    Patent number: 4150852
    Abstract: A strip mining technique wherein an active mining area is continuously moved across a mining ground. Overburden is removed from a leading end of the active mining area and conveyed by a conveyor system located on a high-wall of the mining area to a following end of that mining area. The conveyed overburden is dumped adjacent the active mining area following end to form a spoil bank which is landscaped and reclaimed.
    Type: Grant
    Filed: May 18, 1977
    Date of Patent: April 24, 1979
    Inventor: Charles M. McCoy
  • Method of strip mining
    Patent number: 4150853
    Abstract: A strip mining technique wherein an active mining area is continuously moved across a mining ground. In one form of the invention, overburden is removed from a leading end of the active mining area and conveyed by a conveyor system located on a highwall of the mining area to a following end of that mining area. The conveyed overburden is dumped adjacent the active mining area following end to form a spoil bank which is landscaped and reclaimed. Another form of the invention includes a conveyor system located on the main bench.
    Type: Grant
    Filed: March 2, 1978
    Date of Patent: April 24, 1979
    Inventor: Charles M. McCoy