Patents by Inventor Gary MacQueen

Gary MacQueen 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: 5967735
    Abstract: An improved multi-function loading and recovery apparatus for use with pallets, flat racks, containers and the like having a simple, effective design while enabling efficient operation in a wide variety of recovery operations. This multi-function loading and recovery apparatus utilizes a double pivoting tilt frame and self-locking L-arm, and also includes a unique inside-outside rail option, a collapsible bumper, forward-mounted rollers, an improved rear stabilizer and other features.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: October 19, 1999
    Assignee: Krause Plow Corporation
    Inventors: Leslie Smart, Gary MacQueen
  • Patent number: 5290138
    Abstract: An improved multi-function loading and recovery apparatus for pallets, containers and the like having a simple, effective design while enabling efficient operation in a wide variety of recovery operations. This multi-function loading and recovery apparatus utilizes a unique self-locking L-Arm, a portion of which is extendable and retractable, so that the L-Arm can be engaged or disengaged with a tilt frame when the L-Arm is in a variety of lengths, enabling the utilization of containers of various lengths. The present invention further allows either the rotation of a tilting frame with the L-Arm for tilting and dumping, or the rotation of the L-Arm alone for unloading of the container.
    Type: Grant
    Filed: August 13, 1992
    Date of Patent: March 1, 1994
    Assignee: American Hook Lift, Inc.
    Inventors: Leslie Smart, Gary MacQueen