Patents by Inventor William E. Burrell

William E. Burrell 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).

  • Reel clip feed system
    Patent number: 4428176
    Abstract: An improved method and apparatus for providing a large number of sealing clips inside a vacuum food bagging machine comprising a coil of clips containing many more clips than the prior art straight magazine. The apparatus includes a racheting positive feeder which draws the line of clips off a reel holding the coil, and through a turning means to orient the clips for feeding into the existing clipping station of the bagging machine. The feeder does not permit the line of clips to back away from the clipping station.
    Type: Grant
    Filed: August 12, 1981
    Date of Patent: January 31, 1984
    Assignee: W. R. Grace & Co., Cryovac Div.
    Inventor: William E. Burrell