Patents by Inventor Stanley C. Adamek

Stanley C. Adamek 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).

  • Self-penetrating screw
    Patent number: 4844676
    Abstract: A self-penetrating screw for penetrating sheet metal and then bolting a panel or other member to the penetrated sheet. The screw is hardened and has a penetrating point, a bolt-like shank and a head. The bolt-like shank is provided with machine screw threads and the tapered penetrating point has space threads with a pitch substantially greater, and preferably twice, the pitch of the machine screw thread.
    Type: Grant
    Filed: October 23, 1986
    Date of Patent: July 4, 1989
    Assignee: Pheoll Manufacturing Company, Inc.
    Inventor: Stanley C. Adamek