Patents by Inventor Ernest W. Warren

Ernest W. Warren 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: 4254930
    Abstract: To facilitate supporting drain pipes at a prescribed grade or slope, a hanger formed of inexpensive material adapted for nailing has a plate-like body provided with a through opening for a pipe and having on opposite sides thereof a graduated distance measuring scale in relief form whose scale graduations may register with the bottom edges of floor joists when the hanger is nailed in position on either side of a joist to establish the required slope of a drain pipe. The pipe receiving through opening may be perpendicular to the plane of the hanger body or may be angled relative thereto.
    Type: Grant
    Filed: June 29, 1979
    Date of Patent: March 10, 1981
    Inventor: Ernest W. Warren