Patents by Inventor Steven V. Cearlock

Steven V. Cearlock 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).

  • Patent number: 4676707
    Abstract: A thermoplastic fastener having a slight taper, is friction welded to a thermoplastic workpiece. A system for friction welding the fastener includes a way of automatically stopping rotation of the fastener while contact pressure between the fastener and the workpiece is maintained.
    Type: Grant
    Filed: October 3, 1985
    Date of Patent: June 30, 1987
    Assignee: Illinois Tool Works Inc.
    Inventors: Steven V. Cearlock, Francis C. Peterson, Gene S. Kunos
  • Patent number: 4657626
    Abstract: A thermoplastic fastener having a slight taper, is friction welded to a thermoplastic workpiece. A system for friction welding the fastener includes a way of automatically stopping rotation of the fastener while contact pressure between the fastener and the workpiece is maintained.
    Type: Grant
    Filed: August 6, 1984
    Date of Patent: April 14, 1987
    Assignee: Illinois Tool Works Inc.
    Inventors: Steven V. Cearlock, Francis C. Peterson, Gene S. Kunos
  • Patent number: 4477307
    Abstract: A thermoplastic fastener having a slight taper, is friction welded to a thermoplastic workpiece. A system for friction welding the fastener includes a way of automatically stopping rotation of the fastener while contact pressure between the fastener and the workpiece is maintained.
    Type: Grant
    Filed: December 6, 1982
    Date of Patent: October 16, 1984
    Assignee: Illinois Tool Works Inc.
    Inventors: Steven V. Cearlock, Francis C. Peterson, Gene S. Kunos