Patents by Inventor Henry Anton Sygnator

Henry Anton Sygnator 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).

  • Screw blank receiving and orienting collet
    Patent number: 3992740
    Abstract: A collet-type device for orienting a screw blank relative to wings previously formed on the shank of the blank so that subsequent operations, such as the formation of cutting edges and flutes, can be performed on the shank between the wings. Blank rotating cam surfaces are located in the bore of the collet intermediate a large upper diameter portion and a smaller lower diameter portion to automatically align the wings with longitudinal slots in the lower diameter portion as the blank is inserted in the collet.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: November 23, 1976
    Assignee: Illinois Tool Works Inc.
    Inventor: Henry Anton Sygnator
  • Drilling and reaming
    Patent number: 3982464
    Abstract: A self-drilling and reaming screw for clampingly securing a plurality of superimposed panels and providing a clearance hole in at least the upper panel. A plurality of axially spaced wings of differing and increasing radial dimension from the cutting edge of the drill point to the threaded shank portion are provided and located between the upper and lower extremities of the flutes on the drill point.
    Type: Grant
    Filed: August 28, 1975
    Date of Patent: September 28, 1976
    Assignee: Illinois Tool Works Inc.
    Inventor: Henry Anton Sygnator