Patents by Inventor William Lawrence Davis

William Lawrence Davis 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).

  • Apparatus for cutting pipe insulation
    Patent number: 4059035
    Abstract: An apparatus for making semi-circular pipe insulation segments from a block of foamed glass or like foamed, expanded or cellular plastics or elastomers comprising reciprocating adjustable cutter members mounted on a reciprocating frame structure which cutter member travels in an arcuate path through the block placed below the cutter members.
    Type: Grant
    Filed: August 11, 1976
    Date of Patent: November 22, 1977
    Inventor: William Lawrence Davis