Patents by Inventor Robert J. Elgin

Robert J. Elgin 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).

  • Seal for railroad car hopper doors
    Patent number: 4214759
    Abstract: A sealing means for doors of a railroad hopper car and an apparatus and method for forming a sealing strip. The sealing means comprises a preformed strip of RTV silicone rubber fixed to the door at its edges and receiving a flange on the door frame. Preferably the strip is formed by extruding RTV silicone rubber from a traversing head onto a screen.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: July 29, 1980
    Assignee: United States Steel Corporation
    Inventors: Donald L. Douty, Robert J. Elgin
  • Stamped metal fence post cap
    Patent number: 4039166
    Abstract: A one-piece stamped metal fence post cap aligns and attaches the top rail of a fence. The cap enables the top rail to extend at a range of vertical angles with respect to the post, depending on the terrain. It covers the ragged, exposed end of the post. It can be formed from precoated metal or can be easily coated after fabrication.
    Type: Grant
    Filed: November 26, 1975
    Date of Patent: August 2, 1977
    Assignee: United States Steel Corporation
    Inventor: Robert J. Elgin