Patents by Inventor Ray C. Smitherman

Ray C. Smitherman 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: 4210286
    Abstract: A liquid weed killer dispenser is disclosed. The dispenser is adapted to be mounted on and disposed about a pole such as a telephone or telegraph pole. The dispenser includes a box-like holder for water and a weed killer which is dispersible in the water. The holder has a recessed top which defines a rain water receiving perforated tray through which the rain water can flow into the holder. The top is readily removable from the holder. Weed killer containers, such as bags, are disposed in the holder. The containers are connected to the top so as to be removable with it from the holder and readily replaceable. The dispenser also includes a liquid distributor which includes a pair of tubes.
    Type: Grant
    Filed: October 30, 1978
    Date of Patent: July 1, 1980
    Inventor: Ray C. Smitherman
  • Patent number: 4084436
    Abstract: An apparatus for indicating the level of fuel in a fuel oil storage tank including a vertically positioned tube having a multiplicity of longitudinally spaced and movable floats therein and a multiplicity of associated reed switches and resistors positioned on the outside of the tube and spaced from each other. The switches are actuated by magnets on the associated floats, which rise and fall with the fuel level, and shunt varying amounts of current by the resistors so that a fuel level readout can be obtained on a meter.
    Type: Grant
    Filed: December 1, 1975
    Date of Patent: April 18, 1978
    Assignee: RTR Incorporated
    Inventor: Ray C. Smitherman