Patents by Inventor William Guier

William Guier 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: 4448246
    Abstract: A drilling rig with conventional capacity for working a drilling string is linked to a casing string with a block and tackle which provides sufficient mechanical advantage for the drilling rig to suspend the casing string in the oil well.
    Type: Grant
    Filed: July 12, 1982
    Date of Patent: May 15, 1984
    Inventor: William Guier
  • Patent number: 4413387
    Abstract: The structure disclosed is that part of a complete drilling apparatus which suspends the string of drill pipe in the well from the derrick floor. The apparatus is disclosed as automatically actuated to grip the pipe below the box on its upper end while either awaiting attachment to a hoist apparatus for tripping out of the well or makeup to a pipe stand in the drilling sequence.
    Type: Grant
    Filed: May 22, 1981
    Date of Patent: November 8, 1983
    Inventor: William Guier