Patents by Inventor Peter Phipps

Peter Phipps 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).

  • Air-assisted hydraulic re-circulatory bouyancy pump
    Patent number: 4316680
    Abstract: A pump system for being set up to work in deep water, for use in sea bed mining; the system including three pipes, a first of which carries compressed air downward and to a lower portion of a main second or eduction pipe through which mined material is carried upwardly with sea water, and a third pipe also carrying bouyancy media downward to the lower portion of the main pipe, so to assist the upward flow of the water carrying the mined material.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: February 23, 1982
    Inventors: Peter Phipps, George Spector