Patents by Inventor Reginald Andrew Phillips

Reginald Andrew Phillips 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).

  • Funneling machine with inclined advancing rams
    Patent number: 4113316
    Abstract: A vehicle for use in mine workings for enlarging a tunnel or for forming a heading and comprising a wheeled chassis having a rock breaker and a bucket loader mounted thereon further includes a conveyor means extending generally longitudinally of the chassis to receive rock and spoil collected by the bucket loader at the forward end of the chassis and to discharge such rock and spoil at the rearward end of such chassis. Rams are provided laterally of the chassis for supporting the same relative to opposed surfaces of the workings.
    Type: Grant
    Filed: October 15, 1976
    Date of Patent: September 12, 1978
    Assignee: Dobson Park Industries Limited
    Inventors: Reginald Andrew Phillips, Terence Hamilton, Arthur David Thompson
  • Mine roof support control systems
    Patent number: 4050256
    Abstract: A control system for a self-advancing mine roof support includes function selection hydraulic valve means responsive to coded electrical signals from remote means for selecting a desired function, and means for comparing the coded signals with other signals representing the instantaneous function state of the valve means. Usually each of a plurality of supports incorporates the remote means of a neighboring support.
    Type: Grant
    Filed: November 25, 1975
    Date of Patent: September 27, 1977
    Assignee: Gullick Dobson Limited
    Inventors: Reginald Andrew Phillips, Kenneth Darbyshire
  • Pressure fluid operated percussion tools
    Patent number: 4036108
    Abstract: In a percussion tool a means is provided for delaying the manifestation, on a valve means sensitive to such change in pressure, of a change in pressure of the fluid applied to the hammer piston at one end thereof and which drives such hammer piston in its working stroke, the valve means being that means which serves to control the inlet and exhaust parts of the fluid circuit which applies pressure to the other end of the piston.
    Type: Grant
    Filed: September 12, 1975
    Date of Patent: July 19, 1977
    Assignee: Dobson Park Industries, Ltd.
    Inventor: Reginald Andrew Phillips
  • Glands
    Patent number: 3940151
    Abstract: A gland seal arrangement for effecting a fluid seal between two relatively movable parts wherein the loading applied to an annular sealing member in contact with such parts is derived from a coaxially arranged, sleeve-like thrust member sensitive to the pressure of the fluid being sealed so that with increasing fluid pressure the loading applied to the sealing member is correspondingly increased.
    Type: Grant
    Filed: July 2, 1975
    Date of Patent: February 24, 1976
    Assignee: Dobson Park Industries Limited
    Inventor: Reginald Andrew Phillips