Patents by Inventor John W. Singer

John W. Singer 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).

  • Folding pusher
    Patent number: 6425196
    Abstract: The present invention is an apparatus for use on large areas such as parking lots and airport runways to remove snow and other debris or material therefrom. The apparatus includes at least two blades pivotally connected to one another, and mounting receptacle or bracket having a series of pairs of posts extending from the rear thereof to facilitate operational attachment to a loader or similar construction equipment. The present invention further includes improvements to enable the segmenting and automatic folding of the pusher.
    Type: Grant
    Filed: August 8, 2000
    Date of Patent: July 30, 2002
    Assignee: Pro-Tech Welding and Fabrication, Inc.
    Inventors: Michael P. Weagley, Michael J. Guggino, John W. Singer