Patents by Inventor Larry D. Kellog

Larry D. Kellog 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).

  • Combustion heater
    Patent number: 5411012
    Abstract: A propane heater suitable for orchards, having a cylindrical combustion chamber and an exhaust tube which extends from one end thereof, the exhaust tube being substantially longer than the combustion chamber. A fuel inlet is located in the cylindrical surface of the combustion chamber at the other end thereof, at approximately 30.degree. from top dead center thereof. An ignition and air supply tube is located approximately 80.degree.-110.degree. circumferentially away from the fuel inlet, past the top dead center of the chamber.
    Type: Grant
    Filed: October 5, 1993
    Date of Patent: May 2, 1995
    Assignees: Fred A. Tull, Rosa B. Tull
    Inventor: Larry D. Kellog