Patents by Inventor Guy McDowell, Jr.

Guy McDowell, Jr. 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).

  • Patent number: 4386877
    Abstract: Mine roof bolting using an anchoring fastener comprising a bolt having a head at one end and screw-threaded at said one end, and a nut threaded on the bolt engageable with the head. On turning the nut in one direction, it moves along the bolt away from the head. On turning the nut in the other direction, it moves toward the head until it engages the head, at which point further rotation of the nut in said other direction turns the bolt in that direction.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: June 7, 1983
    Assignee: Peabody Coal Company
    Inventor: Guy McDowell, Jr.
  • Patent number: 4303354
    Abstract: Mine roof bolting using an anchoring fastener comprising a bolt having a head at one end and screw-threaded at said one end, and a nut threaded on the bolt engageable with the head. On turning the nut in one direction, it moves along the bolt away from the head. On turning the nut in the other direction, it moves toward the head until it engages the head, at which point further rotation of the nut in said other direction turns the bolt in that direction.
    Type: Grant
    Filed: March 28, 1979
    Date of Patent: December 1, 1981
    Assignee: Peabody Coal Company
    Inventor: Guy McDowell, Jr.