Patents by Inventor Paul M. Cobble

Paul M. Cobble 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).

  • Knife block for cut pile tufting machine
    Patent number: 4069776
    Abstract: A knife block for a high-low cut pile tufting machine and which comprises a pair of laterally spaced apart and longitudinally extending channels in each of the side faces of the block. Each channel is adapted to securely mount a knife blade therein such that the pair of blades on each side of the block are aligned in the machine direction and are adapted to be independently removed, sharpened, and replaced.
    Type: Grant
    Filed: August 23, 1976
    Date of Patent: January 24, 1978
    Assignee: B & J Machinery Company, Inc.
    Inventor: Paul M. Cobble