Patents by Inventor John D. Hindle

John D. Hindle 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: 4747797
    Abstract: A life buoy 1 in the form of an inflatable ring with a floor 10 has a textile, invert cone keel 11 filled with water and held open by a ballast mass 14. Around the keel hangs an open mesh textile sea anchor 25. Steps 18, braced 20 to the keel, assist a man overboard in entering the life buoy. The life buoy is detachably provided with a sling 30, having a lifting eye 31 for lifting the man overboard from the life buoy.
    Type: Grant
    Filed: September 22, 1986
    Date of Patent: May 31, 1988
    Inventor: John D. Hindle