Patents by Inventor Robert L. Houkom

Robert L. Houkom 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).

  • Patent number: 5176491
    Abstract: A backhoe apparatus with a boom structure which is movable overcenter in a fore-and-aft direction and a boom actuator arranged in fore-and-aft alignment with and protected by lateral sides of the boom structure. A swing tower is connected about a lower pivot axis to a lower end of the boom and allows for lateral swinging movement of the boom. The swing tower allows for overcenter movement of the boom to opposite sides of an upper pivot axis on the swing tower whereat one end of the boom actuator is secured. The boom structure has a curved configuration at its lower end to accommodate nesting of the boom actuator while maintaining torsional rigidity for the boom.
    Type: Grant
    Filed: June 18, 1991
    Date of Patent: January 5, 1993
    Assignee: Case Corporation
    Inventor: Robert L. Houkom
  • Patent number: 4775286
    Abstract: An improved swingable tractor-backhoe interconnection for a tractor-mounted backhoe having a pair of vertically-spaced articulation means along the axis forming an axially-aligned void space therebetween, a preferably free-floating center yoke in the void space with two vertical rows of openings securing hydraulic hoses in two adjacent rows, and a pair of side yokes on the tractor, one for each row of hoses, positioned on opposite sides of the center plane and spaced from the axis and center plane such that the two rows of hoses are divergent between the center and side yokes.
    Type: Grant
    Filed: February 5, 1988
    Date of Patent: October 4, 1988
    Assignee: J. I. Case Company
    Inventors: Roy A. Gillette, Robert L. Houkom, Curtis R. Lyons
  • Patent number: D339813
    Type: Grant
    Filed: June 18, 1991
    Date of Patent: September 28, 1993
    Assignee: Case Corporation
    Inventor: Robert L. Houkom