Patents by Inventor George D. Dobson

George D. Dobson 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).

  • Railway rail-fastening clip and a railway rail-and-fastening assembly
    Patent number: 4350291
    Abstract: A metal plate stands on a cross tie above an opening in the tie and a rail clip has a substantially straight leg which is driven into the opening, bears upwardly and is at most 2 mm. below a flat bottom of the plate. Second and third parts of the clip bear downwardly on the upper face of the rail flange and the upper face of the plate, respectively. This assembly may be made from an existing assembly in which a spike had its head overlying the rail flange and holding the rail down, the making of the new assembly including the step of forming the opening in the tie without moving the plate.
    Type: Grant
    Filed: February 12, 1980
    Date of Patent: September 21, 1982
    Assignee: Pandrol Limited
    Inventor: George D. Dobson