Patents by Inventor William R. Harvey

William R. Harvey 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).

  • Roofing nail applicator
    Patent number: 4036422
    Abstract: An apparatus for driving roofing nails into a roof deck or the like. A carriage is movable with respect to the surface of a roof deck, and carries one or more weights for movement therewith. Means are provided for raising a weight to a raised position a predetermined distance above the roof deck and for aligning a roofing nail below said weight with the head of said nail facing said weight. Control means are provided for releasing said weight means to enable said weight means to accelerate under the influence of gravity for imparting a force to said nail in a direction tending to drive said nail into said roof deck.
    Type: Grant
    Filed: April 30, 1975
    Date of Patent: July 19, 1977
    Assignee: Lexsuco, Inc.
    Inventor: William R. Harvey