Patents by Inventor William Z. Vanhook

William Z. Vanhook 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).

  • Hook dispensing apparatus and method
    Patent number: 5513751
    Abstract: A dispensing apparatus for housing a stacked supply of hooks which permits the individual withdrawal of a lowermost hook from the stack. A dispensing apparatus provides a chamber having an open top, a rear wall, two side walls, a front wall, a spaced floor providing a gap between the floor and the front wall, the front wall providing a longitudinal opening transversing the wall, the opening permitting the passage of a loop portion of each hook.
    Type: Grant
    Filed: November 29, 1994
    Date of Patent: May 7, 1996
    Assignee: Roberts Systems Inc.
    Inventors: William Z. Vanhook, John A. Walton
  • Method of stacking a supply of hooks on a card
    Patent number: 5477657
    Abstract: A dispensing apparatus for housing a stacked supply of hooks which permits the individual withdrawal of a lowermost hook from the stack. A dispensing apparatus provides a chamber having an open top, a rear wall, two side walls, a front wall, a spaced floor providing a gap between the floor and the front wall, the front wall providing a longitudinal opening transversing the wall, the opening permitting the passage of a loop portion of each hook.
    Type: Grant
    Filed: March 17, 1994
    Date of Patent: December 26, 1995
    Assignee: Roberts Systems, Inc.
    Inventors: William Z. Vanhook, John A. Walton
  • Fitment forming process
    Patent number: 5366578
    Abstract: A generally continuous strip of thermoplastic material is cold formed into a desired preformed configuration while retaining continuity with the generally continuous strip to form a chain of preformed configurations remaining continuous with the generally continuous strip of thermoplastic material. End portions of the chain are severed so as to form a cartridge of preformed configurations to be used in the formation of a cartridge of fitments.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: November 22, 1994
    Assignee: Robert Systems, Inc.
    Inventors: William Z. Vanhook, John T. Roberts, Larry J. Mattson
  • Process of forming a dispensing cartridge
    Patent number: 5134765
    Abstract: A generally continuous strip of thermoplastic material is deformed into a desired preformed configuration, while retaining continuity with the generally continuous strip to form a chain of the configurations. The chain remains continuous with the generally continuous strip. End portions of the chain are severed so as to form a stack of preformed configurations to be used in the formation of a dispensing cartridge.
    Type: Grant
    Filed: March 26, 1991
    Date of Patent: August 4, 1992
    Assignee: Roberts Systems, Inc.
    Inventors: John T. Roberts, Claude E. Monsees, William Z. Vanhook