Patents by Inventor Douglas G. Woodcock

Douglas G. Woodcock 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 a tufting machine
    Patent number: 4269126
    Abstract: A knife block for a tufting machine producing cut pile fabric carries two identical knives disposed face to face, with one knife projecting from the block sufficiently to act as an operative knife and the other knife projecting to a lesser extent and acting solely as a back-up knife to support the operative knife against deflection.
    Type: Grant
    Filed: June 26, 1979
    Date of Patent: May 26, 1981
    Assignee: Pickering Blackburn Limited
    Inventor: Douglas G. Woodcock
  • Tufting machines
    Patent number: 4193358
    Abstract: A tufting machine, which produces in fabric to be tufted a pattern of varying pile height repeated across the width of the fabric and which includes a border control mechanism whereby the machine can be conditioned to interrupt patterning periodically and form transverse borders between repeats of the pattern.
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: March 18, 1980
    Assignee: Edgar Pickering (Blackburn) Limited
    Inventor: Douglas G. Woodcock