Patents by Inventor James W. M. Anderson

James W. M. Anderson 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: 4359089
    Abstract: A carrier/handler for an oilwell blowout preventer includes a skid defined by a pair of sides with crossbars extending therebetween, a carriage slidably mounted on rollers on the skid for movement toward and away from a wellhead, a cradle pivotally mounted on the carriage for carrying a blowout preventer in the horizontal position, and for movement from such horizontal position to the vertical position, and hydraulic cylinders for moving the carriage along the skid, for moving the carriage transversely to align the blowout preventer with the wellhead, for moving the cradle from the horizontal to the erect position, and for moving the blowout preventer and a slide portion of the cradle vertically into and out of engagement with a well casing.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: November 16, 1982
    Inventors: Ronald A. Strate, Russell V. Bills, James W. M. Anderson