Patents by Inventor Alfred P. Jenney

Alfred P. Jenney 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).

  • Leveling device for lifting apparatus and associated methods
    Patent number: 7455338
    Abstract: A leveling device for a lifting apparatus having a load-carrying member includes a level arm-carrying member and a pair of leveling arms having a first end pivotally connected thereto that are independently moveable between extended and retracted positions. The leveling device also includes a level sensor carried by the load-carrying member, and a controller in communication with the level sensor. The controller moves the leveling arms between the extended and retracted positions responsive to the level sensor sensing the load-carrying member being out of level.
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: November 25, 2008
    Inventor: Alfred P. Jenney