Patents by Inventor Robert L. Van Hoomissen

Robert L. Van Hoomissen 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).

  • Dump block for dragline bucket
    Patent number: 4640496
    Abstract: A dump block is provided for a dragline bucket wherein a central cylinder is equipped with axially spaced side plates to provide a reeve-way for the dump rope, and a steel ring rotatably disposed about the cylinder having inner and outer plastic elements with the cylinder providing an oil reservoir for lubricating the inner plastic elements.
    Type: Grant
    Filed: April 4, 1985
    Date of Patent: February 3, 1987
    Assignee: ESCO Corporation
    Inventors: Robert L. Van Hoomissen, Terry L. Briscoe, Don P. S. Barker
  • Wedge-type rope socket connection and method
    Patent number: 4561154
    Abstract: A socket-wedge connection for wedge-type rope socket wherein a multi-part wedge is employed having one part collapsible, finding advantageous use, for example, in the lines employed with excavating equipment.
    Type: Grant
    Filed: April 26, 1984
    Date of Patent: December 31, 1985
    Assignee: ESCO Corporation
    Inventors: Terry L. Briscoe, Robert L. Van Hoomissen
  • Wedge-type rope socket connection and method
    Patent number: RE32847
    Abstract: A socket-wedge connection for wedge-type rope socket wherein a multi-part wedge is employed having one part collapsible, finding advantageous use, for example, in the lines employed with excavating equipment.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: January 31, 1989
    Assignee: ESCO Corporation
    Inventors: Terry L. Briscoe, Robert L. Van Hoomissen