Patents by Inventor Louis E. Witte

Louis E. Witte 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: 5988299
    Abstract: An automated well servicing system comprised of computer controlled tong assemblies, a remote controlled robotic racking system and unique slips and backup clamps. The system has a pair of tong assemblies for automatically disconnecting or connecting rods or tubes. Each tong assembly is pivotally mounted on the frame of a vehicle for deployment once the vehicle is parked at a well head and includes power tongs, backup clamps and slips mounted on hydraulically operated carriers for positioning over a well head. A robotic rod tubular handler controlled by a joy stick mounted on the waist of a floor man permits remote racking of rods and tubes. A slip assembly is provided comprised of a pair of housings forming a conical cavity and a conical mandrel having pins or slugs that clamp a tubular string when the two housings are pressed together.
    Type: Grant
    Filed: March 28, 1996
    Date of Patent: November 23, 1999
    Inventors: James Hansen, Louis E. Witte
  • Patent number: 5711382
    Abstract: An automated well servicing system comprised of computer controlled tong assemblies, a remote controlled robotic racking system and unique slips and backup clamps. The system has a pair of tong assemblies for automatically disconnecting or connecting rods or tubes. Each tong assembly is pivotally mounted on the frame of a vehicle for deployment once the vehicle is parked at a well head and includes power tongs, backup clamps and slips mounted on hydraulically operated carriers for positioning over a well head. A robotic rod tubular handler controlled by a joy stick mounted on the waist of a floor man permits remote racking of rods and tubes. A slip assembly is provided comprised of a pair of housings forming a conical cavity and a conical mandrel having pins or slugs that clamp a tubular string when the two housings are pressed together.
    Type: Grant
    Filed: July 26, 1995
    Date of Patent: January 27, 1998
    Inventors: James Hansen, Louis E. Witte