Patents by Inventor Ogden Kellogg-Smith

Ogden Kellogg-Smith 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).

  • Detachable nestable mast steps
    Patent number: 4382416
    Abstract: Mast steps that may be attached to any vertical spar or surface when needed for climbing said spar or surface, and removed and nested for easy storage when not in use.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: May 10, 1983
    Inventor: Ogden Kellogg-Smith
  • Internal combustion and steam engine
    Patent number: 4143518
    Abstract: A six-stroke cycle engine fires a fuel charge for a first power stroke, the exhaust gases being directed to a thermally insulated jacket surrounding the cylinder and having fins and/or baffles to recover heat from the gases and conduct the heat to the inner cylinder wall for converting injected water into steam for a second power stroke. The fins and/or baffles in the jacket also function as a muffler for the engine.
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: March 13, 1979
    Inventor: Ogden Kellogg-Smith