Patents by Inventor Gerald L. Shull

Gerald L. Shull 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).

  • Friction brake
    Patent number: 8292041
    Abstract: A friction brake which is suitable for applying friction to one or more load-bearing ropes in the implementation of arbor rigging or other procedures in some embodiments includes a tree engaging frame, a frame attachment mechanism carried by the tree engaging frame, a shaft receptacle carried by the tree engaging frame, an assembly mount shaft releasably inserted in the shaft receptacle and a rope engaging frame carried by the assembly mount shaft.
    Type: Grant
    Filed: June 15, 2009
    Date of Patent: October 23, 2012
    Inventor: Gerald L. Shull