Patents by Inventor Brian Robert Allen

Brian Robert Allen 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).

  • Method of manufacturing a friction disc
    Patent number: 3946192
    Abstract: A method of manufacturing a friction disc for use, inter alia, in a disc brake, the friction disc including a metal backing plate and a plurality of friction pads carried by the backing plate. The method comprises the steps of providing a plurality of powder compacts of friction material at the required positions on the backing plate, and resistance heating the powder compacts to sinter the compacts into the required friction pads and to bond the pads to the backing plate.
    Type: Grant
    Filed: May 17, 1974
    Date of Patent: March 23, 1976
    Assignee: Girling Limited
    Inventors: Brian Robert Allen, Anthony William Harrison
  • Friction plates
    Patent number: 3937303
    Abstract: A friction plate for use, inter alia in a vehicle disc brake includes a metal backing plate and a plurality of friction pads carried by the backing plate on one major surface thereof. The friction pads are arranged on one major surface in first and second, circular rows which bound respectively first and second concentric, circular annuli. The external diameter of the first annulus is less than the external diameter of the second annulus, but is greater than the internal diameter of the second annulus so that the annuli overlap.
    Type: Grant
    Filed: May 17, 1974
    Date of Patent: February 10, 1976
    Assignee: Girling Limited
    Inventors: Brian Robert Allen, Anthony William Harrison