20 Matching Results

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Locomotive Drifting-Valve.

Description: Patent for locomotive drifting valves to admit saturated steam from the boiler to the steam chamber of the valve chest and cylinders while the locomotive is running with the main steam throttle closed.
Date: January 8, 1918
Creator: Meister, Alfred A.; Surles, John W. & Boyle, Edmund F.
Partner: UNT Libraries Government Documents Department

Well-Screen

Description: Patent for a well screen which allows water to flow through easily while stopping any other items from going through into the well.
Date: November 8, 1910
Creator: Decker, Harry R. & Houk, Russell W.
Partner: UNT Libraries Government Documents Department

Well-Screen

Description: Patent for a durable well screen with a wide area.
Date: November 8, 1910
Creator: Decker, Harry R.
Partner: UNT Libraries Government Documents Department

Lubricating Device

Description: Patent for lubricating device which is a dispenser for liquids or semi liquids to come out of.
Date: February 8, 1916
Creator: Aycock, Nathaniel. M
Partner: UNT Libraries Government Documents Department

Ventilating-Fastener.

Description: Patent for an improved tuft fastening device that provides ventilation through cushion tufts to make cushions cooler to the touch, including illustrations.
Date: May 8, 1917
Creator: Davis, Don M. & Underwood, Thomas J.
Partner: UNT Libraries Government Documents Department

Vending Machine

Description: Patent for improvements in vending machines.
Date: August 8, 1911
Creator: Linck, George E.
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for an improved pump for oil or water wells after completion. It is designed to remove sand and slush and keep it out of the valve cage and seat.
Date: May 8, 1917
Creator: Kutschbach, August E.
Partner: UNT Libraries Government Documents Department

Method of Separating Associated Liquids.

Description: Patent for an invention that "relates to the art of separating associated liquids" (lines 9-10).
Date: April 8, 1919
Creator: McKibben, Charles W.
Partner: UNT Libraries Government Documents Department

Perforator.

Description: Patent for an improved perforator that attaches to a multigraph and perforates sheets of paper that pass through the multigraph so the sheets can be separated into parts, with illustrations.
Date: May 8, 1917
Creator: Hahl, Harold D. & Lambert, James J.
Partner: UNT Libraries Government Documents Department

Mold for Plastic Bodies

Description: Patent for a mold for forming plastic pieces with openings for wires to run through them.
Date: February 8, 1910
Creator: Crum, William H.
Partner: UNT Libraries Government Documents Department

Rotary Valve Mechanism.

Description: Patent for a rotary valve mechanism that regulates an internal combustion engine's intake of charge and release of exhaust.
Date: June 8, 1915
Creator: Harpst, Frederick E.
Partner: UNT Libraries Government Documents Department

Shock-Absorber

Description: Patent for spring-based
Date: July 8, 1913
Creator: Newell, Greene E.
Partner: UNT Libraries Government Documents Department

Device For Extracting Cores From Wells.

Description: Patent for a device to obtain samples of the core formed by drilling tools at any depth and withdrawing the same to the surface during the process of drilling.
Date: January 8, 1918
Creator: Dodds, Redus D.
Partner: UNT Libraries Government Documents Department

Horizontal-Drilling Machine.

Description: Patent for an easily adjustable and transportable machine that drills a horizontal hole in the ground to accompany a previous invention of the inventor, a method for the destruction of military fortifications. The machine's mechanisms are so housed to protect against exploding shells and includes illustrations.
Date: May 8, 1917
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Hitching Strap

Description: Patent for a hitching strap to prevent animals from running away.
Date: April 8, 1913
Creator: Stifter, Joseph
Partner: UNT Libraries Government Documents Department

Guide Device For Ironing-Machines

Description: Patent for a device that guides Ironing Machines.
Date: April 8, 1913
Creator: Terry, Mosley J.
Partner: UNT Libraries Government Documents Department

Adding Machine.

Description: Patent for a new and improved adding machine using rotating discs.
Date: December 8, 1914
Creator: Druschke, Julius C.
Partner: UNT Libraries Government Documents Department
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