Patents by Inventor Stevens P. Pendleton

Stevens P. Pendleton 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: 6312151
    Abstract: An apparatus is provided for pre-conditioning the materials in a bulk bag to effect easier unloading of the materials. A frame is provided with an open space for receiving the bulk bag. A series of spaced-apart, opposing breaker bars is provided for automatic thrusting against the sides of the bags to break up compacted material. The bars preferably have an angled profile. Parallel pairs of opposing horizontal bars are provided, evenly spaced from the bottom; and preferably a single opposing vertical pair is provided on the opposite sides. The pairs of bars are operated, by thrusting into the sides of the bag, in a timed sequence, to effect break up of the material. Additionally, a series of bars may be provided on the bottom of the frame, such that a break up effect is achieved against the material residing in the bottom of the bag.
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: November 6, 2001
    Assignee: Vac-U-Max
    Inventor: Stevens P. Pendleton
  • Patent number: 4810156
    Abstract: A bulk bag unloading station having a frame from which a bag containing powdery, granular or fibrous material and having a bottom spout, may be suspended; a base plate with an opening; and a mechanism above the base plate for intermittently shaking a bottom portion of the bag to aid the flow of material from the spout. The mechanism has a number of liftable petals actuated pneumatically.
    Type: Grant
    Filed: September 11, 1987
    Date of Patent: March 7, 1989
    Assignee: Vac-U-Max
    Inventors: Stevens P. Pendleton, Herbert A. Worsford