Patents by Inventor Wayne A. Linquist

Wayne A. Linquist 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).

  • Tube bending tool with angle sighting means
    Patent number: 4009602
    Abstract: A hand bender tool for bending tubes, pipes, conduits and other tubular material, and which is provided with raised indicators on a bending shoe and handle socket that coact with a conical sighting indicator disposed in a position above the shoe, to allow an operator to accurately bend a pipe to a desired angle of bend. A contoured foot treadle is provided with serrations which prevent slippage of the foot of an operator during a bending operation, so as to permit the operator to employ leg power to the fullest advantage.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: March 1, 1977
    Assignee: Greenlee Brothers and Co.
    Inventor: Wayne A. Linquist