Patents by Inventor Charles F. Cowgill

Charles F. Cowgill 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: 4397605
    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 fingers, the stand handling mechanism being characterized by articulated arms extensible by actuator means housed entirely within the confines thereof for compactness.
    Type: Grant
    Filed: May 27, 1981
    Date of Patent: August 9, 1983
    Inventors: Charles F. Cowgill, Frank J. Di Bella
  • Paint applicator holder
    Patent number: 4353476
    Abstract: A holder for paint brushes and other paint applicators which is attached or attachable to the paint container, and which is constructed of moisture resistant sheet or film-like materials to conform to and adhere to the container. The holder folds outward to form a pocket for the paint brush during the painting process.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: October 12, 1982
    Inventor: Charles F. Cowgill
  • 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