Patents by Inventor David H. R. Starke

David H. R. Starke 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).

  • Friction rock stabilizer
    Patent number: 5295768
    Abstract: A collar for a friction rock stabilizer and a friction rock stabilizer incorporating such collar. The collar is shaped having a domed outer surface to allow improved alignment between the collar and a mine bearing plate used between the collar and the mine surface when the stabilizer tube is inserted in a bore in a mine roof or wall.
    Type: Grant
    Filed: September 29, 1992
    Date of Patent: March 22, 1994
    Assignee: The ANI Corporation Ltd.
    Inventors: Peter Buchhorn, David H. R. Starke
  • Support for stabilizing walls in a mine shaft
    Patent number: D353898
    Type: Grant
    Filed: March 23, 1993
    Date of Patent: December 27, 1994
    Assignee: The Ani Corporation Ltd.
    Inventors: Peter Buchhorn, David H. R. Starke