Patents by Inventor Christopher L. Higgins

Christopher L. Higgins 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).

  • Apparatus for cutting erosive materials using high pressure water device
    Patent number: 5332293
    Abstract: Apparatus for cutting erosive materials such as stone and the like includes a high-velocity, high-pressure water lance which can be raised and lowered as necessary. The lower end of the water lance carries a cutting head in the form of a nozzle assembly able to be rotated about the longitudinal axis of the water lance. The water lance is mounted upon a carriage which can be propelled in directions at right angles to each other and the water lance may be supported by a vertically-disposed truss, which itself may be relocatable about the longitudinal axis of the lance.
    Type: Grant
    Filed: March 23, 1992
    Date of Patent: July 26, 1994
    Assignee: Australian Stone Technology Pty. Ltd.
    Inventors: Christopher L. Higgins, Stanley R. Burgess