Patents by Inventor Robert E. Harrington

Robert E. Harrington 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: 5092025
    Abstract: A four-way closet spud insertion tool for inserting a spud into a inlet/outlet hole of a plumbing fixture. The closet spud includes a couple having at least one lug protruding inwardly therefrom and a gasket circumscribing the couple, the gasket having a flared portion that is to be inserted into the inlet/outlet hole of the fixture with a portion of the couple, the diameter of the flared portion being greater than the diameter of the hole. The spud insertion tool comprises a cross-shaped body having four arms extending from a center point thereof, each of the arms terminating in a different head, each of the heads being configured to be insertable into a respectively sized couple, the force being sufficient to compress the flared portion of the gasket such that the flared portion can pass through the hole of the fixture.
    Type: Grant
    Filed: June 3, 1988
    Date of Patent: March 3, 1992
    Inventor: Robert E. Harrington
  • Patent number: 4555818
    Abstract: A waste line trap is provided to prevent foreign objects and debris from being flushed through commodes into waste line systems. The waste line trap has a solid cylinder with continuous outer and inner walls. A plurality of angled fins are spaced equidistantly on the inner wall and extend outwardly toward the center of the cylinder. The fins have downwardly extending top beveled edges which terminate in vertically extending inner beveled side edges. The trap is installed in the discharge line of a commode and functions to catch foreign objects and debris from entering the main sewerage line.
    Type: Grant
    Filed: October 30, 1984
    Date of Patent: December 3, 1985
    Inventor: Robert E. Harrington