Patents by Inventor Reginald A. Phillips

Reginald A. 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).

  • Impact type tools
    Patent number: 4256145
    Abstract: A pressure fluid operated impact type tool having cyclic pressure fluid operation of a reciprocable hammer piston, and for which there is provided accumulator means connected directly to pressure fluid supply and/or return of the tool.
    Type: Grant
    Filed: August 18, 1978
    Date of Patent: March 17, 1981
    Assignee: Dobson Park Industries Limited
    Inventor: Reginald A. Phillips
  • Manipulable tool mount
    Patent number: 4141594
    Abstract: A mining machine having a mineral winning head mount including a plurality of links pivotted successively one to another and powered means for pivotting the successive links about their pivot axes and whereon said links and powered means allow the mineral winning head to be retracted at least partially into an angled configuration of the links.
    Type: Grant
    Filed: June 6, 1977
    Date of Patent: February 27, 1979
    Assignee: Gullick Dobson Limited
    Inventors: Reginald A. Phillips, John Eckersley, Terence Hamilton