Patents by Inventor Richard K. Bockman

Richard K. Bockman 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).

  • Self-dumping cart
    Patent number: 6290301
    Abstract: An apparatus and method for an improved self-dumping cart. The dump cart has a box pivotally mounted on a frame and wheels. The cart box is normally locked to the frame in an upright position for loading and towing. Then to dump, the box is unlocked from the frame and locked to at least one of the wheels, so that upon rotating the wheels in a rearwardly direction, the cart is dumped. Preferably, the box pivots 180° between the loading and unloading positions.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: September 18, 2001
    Inventor: Richard K. Bockman