Patents by Inventor Ted R. Botnan

Ted R. Botnan 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).

  • Apparatus for testing jack legs and air drills
    Patent number: 6601454
    Abstract: An apparatus for testing for air and water leakage in jack legs and air drills used to bore holes in rock and ore has an upright beam supporting a weight vertically movable with expansion of the jack leg. A test stand has a plurality of valves operable to divert air to the jack leg and air drill. Gauges on the test stand monitor the air pressure in the jack leg and air and water pressures in the air drill to provide information as to air and water leakage and defective parts in the jack leg and air drill.
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: August 5, 2003
    Inventor: Ted R. Botnan