Patents by Inventor Bruce E. Crawford

Bruce E. Crawford 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).

  • Comminuting apparatus with multiple entrance openings
    Patent number: 7083132
    Abstract: A comminuting device is provided having a support structure, a set of intermeshing scissor rolls, at least two entrance openings, and a bulkhead. The support structure has an enclosure. The set of intermeshing scissor rolls are rotatably carried by the support structure. The at least two entrance openings are provided in the enclosure. The bulkhead is interposed between a first one of the entrance openings and a second one of the entrance openings. The bulkhead provides a first entrance shoot and a second entrance shoot, with the bulkhead including a mouth portion configured to transfer scrap products between the first entrance shoot and the second entrance shoot.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: August 1, 2006
    Inventors: Jere F. Irwin, John E. Fitzpatrick, Bruce E. Crawford