Patents by Inventor Russell Peter Henderson

Russell Peter Henderson 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).

  • Goods lift mechanism
    Publication number: 20030178259
    Abstract: A goods hoist having an elevator cage with controlled access arranged to move between a lower station and an upper station by a fluid pressure operated ram associated with a hoist mechanism located at the lower station and supported adjacent the upper station; the controlled access prevents access unless the cage is located at a predetermined location via safety interlocks.
    Type: Application
    Filed: March 25, 2002
    Publication date: September 25, 2003
    Inventor: Russell Peter Henderson