UNT Libraries Government Documents Department - 9 Matching Results

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Acetylene-Gas Machine

Description: Patent for a acetylene gas machine that automatically controls the flow of carbid or gas producing material into the generator "by means of a float and lever connection with the valve of the carbid hopper" (lines 19-21).
Date: May 7, 1907
Creator: Ricketts, James R.
Item Type: Refine your search to only Patent

Cement.

Description: Patent for cement that is better or equivalent to Keene's cement from England, made from pure gypsum and various chemicals and only calcinated once.
Date: May 7, 1907
Creator: Jones, Thomas
Item Type: Refine your search to only Patent

Electric Heater for Metal Workers.

Description: Patent for a electric heater for heating metal in preparation for welding. Consists of a bath of sal ammonia and water with a layer of graphite on top that the metal is placed into and then electric current is turned on which heats the metal to a weldable temperature.
Date: May 7, 1907
Creator: Luthy, Joseph Otto
Item Type: Refine your search to only Patent

Journal-Box.

Description: Patent for a journal or wheel axle box that allows the wheel to rotate freely and reduces friction stopping the boxes from becoming hot.
Date: May 7, 1907
Creator: Neighbor, William W.
Item Type: Refine your search to only Patent

Planter

Description: Patent for a single row planter for corn or cotton. The planter is to be used in virgin soil with out any soil preparation.
Date: May 7, 1907
Creator: Dudley, Thomas J.
Item Type: Refine your search to only Patent

Truck.

Description: Patent for a strong but light steel framed truck with a beamless braking system that is affordable and easy to repair.
Date: May 7, 1907
Creator: McKiel, James B.
Item Type: Refine your search to only Patent
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