9 Matching Results

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Wave Motor

Description: Patent for an improvement to wave motors, intended to use "the force of waves as motive power for operating machinery" (lines 9-10).
Date: July 11, 1911
Creator: Ford, William W.
Partner: UNT Libraries Government Documents Department

System of Electrical Operation.

Description: Patent for an electrical system, which reduces the amount of power used to run a generator when there is low usage of the generator, thereby saving fuel.
Date: July 2, 1907
Creator: Slaughter, Joel C.
Partner: UNT Libraries Government Documents Department

Means for Utilizing Electrical Energy

Description: Patent for a means of using electricity more efficiently, which entails "utilizing the extra current generated by the break in the circuit of an electromagnetic apparatus" (lines 16-18). Illustrations included.
Date: July 13, 1909
Creator: Perkins, Thomas F.
Partner: UNT Libraries Government Documents Department

Time-Switch.

Description: Patent for a timer for turning on and off electric lights.
Date: July 4, 1911
Creator: Chappel, James Mack
Partner: UNT Libraries Government Documents Department

Means for Utilizing Electrical Energy

Description: Patent for an apparatus which consists of an electric motor that is operated by a battery and is designed to use electricity more efficiently. Illustrations included.
Date: July 13, 1909
Creator: Perkins, Thomas F.
Partner: UNT Libraries Government Documents Department

Spark-Plug

Description: Patent for a spark plug used in explosive engines. Illustrations included.
Date: July 26, 1910
Creator: Estes, Robert E. & Inman, John P.
Partner: UNT Libraries Government Documents Department

System of Electrical Operation.

Description: Patent for an electrical system to power generators, which can reduce the power flow to the generator during low usage periods.
Date: July 2, 1907
Creator: Slaughter, Joel C.
Partner: UNT Libraries Government Documents Department

Underground Portable Drill

Description: Patent for drilling machines for the object of drilling underground openings for laying gas, electric, water or any other conduits. A second object is sectional drill or track worm to keep drilling going without moving the machine.
Date: July 15, 1919
Creator: Branning, Willie F.
Partner: UNT Libraries Government Documents Department

Electric-Arc-Light Reflector.

Description: Patent for an electric arc light reflector, including an annular band to support the reflector on the arc-light cone, and a reflector with an aperture.
Date: July 27, 1897
Creator: Bolles, Charles Morris
Partner: UNT Libraries Government Documents Department
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