Patents by Inventor Steven D. Singer

Steven D. 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).

  • Apparatus for cutting sheets of material
    Patent number: 4862780
    Abstract: A cutting die (10), which has one or more blades (20) forming the perimeter of a ply (16) to be cut from a sheet of material (14), has a resilient insert (40) placed within the blades to detach the ply (16) from the material and from the cutting die (10) after the ply (16) has been cut from the material (14) and has a hook-like appendage (28) extending from the perimeter of the blades to grip the material after the plies have been cut therefrom.
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: September 5, 1989
    Assignee: United Technologies Corporation
    Inventors: James V. W. Memmott, Allan H. Fidler, Steven D. Singer