Patents by Inventor Mark Roloff

Mark Roloff 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).

  • Crane backhitch
    Patent number: 5443169
    Abstract: A crane gantry assembly includes a gantry pivotally connected to a crane bed, a backhitch pivotally connected to the gantry and detachably connected to the crane bed, and a control link pivotally connected to the backhitch and to the crane bed. The control link is used when maneuvering the backhitch between raised and retracted positions, such as when the crane is set up or taken down for transport.
    Type: Grant
    Filed: September 15, 1992
    Date of Patent: August 22, 1995
    Assignee: The Manitowoc Company
    Inventors: Gene Pagel, Charles Pick, Mark Roloff