Patents by Inventor Paul S. Putnam

Paul S. Putnam 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).

  • Mechanized stand handling apparatus for drilling rigs
    Patent number: 4274778
    Abstract: Apparatus for the handling of drill collar and pipe stands and comprised of a hydraulically mechanized "Derrickman" and "Derrick Floor Hand" and associated fingerboard lock bars and all of which are adapted to remote control in the placement of the stands in a derrick, both in alignment with the rotary table and fully placed within the racking fingers, the stand handling mechanism being characterized by articulated arms extensible by actuator apparatus housed entirely within the confines thereof for compactness.
    Type: Grant
    Filed: June 5, 1979
    Date of Patent: June 23, 1981
    Inventors: Paul S. Putnam, Charles F. Cowgill, Frank J. Di Bella
  • Device for handling and racking riser pipes and drill pipes
    Patent number: 4117941
    Abstract: Handling and racking of riser pipes in a drilling derrick on a platform by means of manipulators. The pipes are racked vertically on a set back platform and are displaced to and from a position above the rotary table by manipulators.
    Type: Grant
    Filed: March 25, 1977
    Date of Patent: October 3, 1978
    Assignee: Golar-Nor Offshore A/S
    Inventors: Robert W. McCleskey, Jr., Paul S. Putnam, Arne Martin Boltad