Patents by Inventor John E. Lorenz

John E. Lorenz 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: 5489032
    Abstract: An article manipulator system which is suitable for fixed and translative mounting at work sites including on scaffold assemblies, providing for alignment compensation for scaffold non-alignment, providing for limited movement about two vertical axes, providing movement along a trolley track in a generally horizontal direction, and a gripper for grasping heavy work objects such as masonry construction units. A control handle provides for signals for raising and lowering a lift cable and signals for locking and unlocking brakes on said pivot arms and upon said trolley track.
    Type: Grant
    Filed: October 6, 1993
    Date of Patent: February 6, 1996
    Assignee: International Masonry Institute
    Inventors: Riley H. Mayhall, Jr., C. Paul Miller, John E. Lorenz, Riley H. Mayhall, III, Mark A. Smith