Patents by Inventor Steven L. Short

Steven L. Short 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).

  • Valve of particulated material for vertical forced air channel
    Patent number: 4023591
    Abstract: A one way insulating valving structure for a vertical channel having upwardly moving forced air providing a mass of particulated low density material such as plastic carried in a permeable enclosure and movable from a gravity biased lower sealing position to an upward open position by forced air passing therethrough.
    Type: Grant
    Filed: November 14, 1975
    Date of Patent: May 17, 1977
    Inventors: Don L. Short, Steven L. Short