Patents by Inventor John Hewgill

John Hewgill 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).

  • Fastener
    Publication number: 20070104552
    Abstract: A fastener has a body and a cage with cam surfaces formed on interengaging components to inhibit relative rotation. In one embodiment a washer is interposed between said surfaces and has oppositely directed faces with cam surfaces formed on them. In a further embodiment, the underside of the cage has serrations formed on it.
    Type: Application
    Filed: October 30, 2006
    Publication date: May 10, 2007
    Inventor: John Hewgill
  • Fastener
    Patent number: 7128511
    Abstract: A fastener has a body and a cage with cam surfaces formed on interengaging components to inhibit relative rotation. In one embodiment a washer is interposed between said surfaces and has oppositely directed faces with cam surfaces formed on them. In a further embodiment, the underside of the cage has serrations formed on it.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: October 31, 2006
    Inventor: John Hewgill
  • Fastener
    Publication number: 20050079028
    Abstract: A fastener has a body and a cage with cam surfaces formed on interengaging components to inhibit relative rotation. A washer is interposed between said surfaces and has oppositely directed faces with cam surfaces formed on one face and serrations on the other. The serrations engage the planar underside of the body.
    Type: Application
    Filed: November 30, 2004
    Publication date: April 14, 2005
    Inventor: John Hewgill
  • Fastener
    Publication number: 20020146299
    Abstract: A fastener has a body and a cage with cam surfaces formed on interengaging components to inhibit relative rotation. In one embodiment a washer is interposed between said surfaces and has oppositely directed faces with cam surfaces formed on them. In a further embodiment, the underside of the cage has serrations formed on it.
    Type: Application
    Filed: May 31, 2002
    Publication date: October 10, 2002
    Inventor: John Hewgill