Patents by Inventor Willie Carl Schwabe

Willie Carl Schwabe 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: 4083533
    Abstract: There is disclosed a resilient spherical piston attached to an elongate tensile element. Compressed air is used to propel the piston through a conduit and thereby place the tensile element therein. The tensile element is connected to the resilient sphere in such a manner that the sphere elongates and decreases in diameter when the piston becomes stuck in the conduit and the tensile element is pulled.
    Type: Grant
    Filed: January 12, 1976
    Date of Patent: April 11, 1978
    Assignee: Lois I. Oaden
    Inventor: Willie Carl Schwabe
  • Patent number: 4042048
    Abstract: There is disclosed a technique for drilling a well bore in which a slurry of drilling fluid and pellets is pumped through the drill pipe into a drill head. The pellets exit from the drill head and are captivated between the drill head and the bore hole. Upon rotation of the drill head, the pellets shot drill the bottom and side wall of the bore hole.
    Type: Grant
    Filed: October 22, 1976
    Date of Patent: August 16, 1977
    Inventor: Willie Carl Schwabe