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Yielding Power-Coupling

Description: Patent for a yielding power coupling to connect power units in cars to form a complete system. Illustrations included.
Date: February 18, 1908
Creator: Mayo, William C. & Houlehan, John
Partner: UNT Libraries Government Documents Department

Process of Making Hydrochloric Acid and Calcium Carbid

Description: Patent for "new and useful processes in treating fused calcium chlorid with acetylene gas or other gases mixed therewith, whereby hydrochloric-acid gas and calcium carbid may be produced," (lines 12-16) thus making the manufacturing processes of hydrochloric-acid cheaper while also producing calcium carbid more economically.
Date: July 24, 1906
Creator: Seamon, William H.
Partner: UNT Libraries Government Documents Department

Uterine Supporter.

Description: Patent for a uterine supporter which has a soft and flexible bulb supporting the uterus and a more rigid opposite end keeping the bulb in place. The device attaches to a cord on the waistband.
Date: July 16, 1907
Creator: Baird, William T.
Partner: UNT Libraries Government Documents Department

Metallurgical Process

Description: Patent for a process for reducing minerals to metals, including instructions and illustrations.
Date: October 5, 1909
Creator: Dawson, Oliver B.
Partner: UNT Libraries Government Documents Department

Seal-Lock.

Description: Patent for a seal lock for railroad cars, which will show whether an unauthorized entry has been made by requiring the seal ton be broken before the lock opens.
Date: April 27, 1909
Creator: Christian, Edward L.
Partner: UNT Libraries Government Documents Department

Head-Rest Support.

Description: Patent for a head rest support for placing a barbers chair head rest on while it is not in use.
Date: June 1, 1909
Creator: Wilkins, Willis A.
Partner: UNT Libraries Government Documents Department

Acetylene-Gas-Generating Apparatus.

Description: Patent for "improvements in apparatus for generating acetylene , and comprises the novel features." (lines 8-10) including illustration.
Date: July 24, 1900
Creator: Metcalf, Charles Wesley
Partner: UNT Libraries Government Documents Department

Shears and Tension-Screw.

Description: Patent for shears with a tension spring that don't require the use of a screwdriver to fix or adjust, last longer, keep the blades more even, and don't pinch one's hands while using them.
Date: February 19, 1907
Creator: Wilkins, Willis A.
Partner: UNT Libraries Government Documents Department

Car-Wheel

Description: Patent for a car wheel made to ease turning on rounding corners and to prevent slipping due to differences in wheel sizes.
Date: February 18, 1908
Creator: Mayo, William C. & Houlehan, John
Partner: UNT Libraries Government Documents Department

Music-Leaf Turner.

Description: Patent for "...an improvement in music-leaf turners...by which the leaves may be readily turned from side to side as desired..." (lines 9-12) including illustrations.
Date: March 4, 1902
Creator: Dascomb, Charles Henry
Partner: UNT Libraries Government Documents Department

Safety Device for Steam-Boilers.

Description: Patent for a safety device for steam boilers, which activates an alarm when water levels are too high on the fuse box that gives an earlier warning, does not allow the fuse box to be changed without the chief engineer being alerted, and prevents false alarms.
Date: July 14, 1908
Creator: Smith, James E.
Partner: UNT Libraries Government Documents Department

Dust and Cinder Fender.

Description: Patent for a fender for railroad car windows that prevents the intrusion of dust and cinders into an open window while allowing window to remain open for light and ventilation. The device can be attached to either side of the car.
Date: December 11, 1900
Creator: Bell, Chester L.
Partner: UNT Libraries Government Documents Department

Pencil-Holder.

Description: Patent for a pencil-holder designed to quickly attach to pencils or pens of different sizes, including illustrations. This pencil-holder features a clip which clamps onto the edge of one's pocket to prevent the pencil from falling out or damaging the pocket.
Date: April 24, 1906
Creator: Eldredge, Alva Ray
Partner: UNT Libraries Government Documents Department

Spark-Arrester.

Description: Patent for a steam train locomotive spark arrester consisting of curved pipe smoke stack that holds solid particles of exhaust on the edges of the pipe, which are expelled by the force of exhaust gases coming through, into the fire box thereby preventing their escape outside the engine reducing danger from stray sparks. This system also uses less fuel than previous systems.
Date: April 23, 1907
Creator: Chalfant, Cotter Strawn
Partner: UNT Libraries Government Documents Department

Nut-Lock.

Description: Patent for a nut-lock for car wheels, which holds the wheel securely together.
Date: February 18, 1908
Creator: Mayo, William C.
Partner: UNT Libraries Government Documents Department

Railroad Tie

Description: Patent for metallic railroad ties. This invention is for a solid state tie. It uses extending bolts to lock the ties into place. Illustration included.
Date: November 19, 1907
Creator: Mayo, William C.; Houlehan, John & Briggs, George Edwin
Partner: UNT Libraries Government Documents Department

Car-Truck.

Description: Patent for a car truck for use on trains, which can withstand heavy loads and high speeds.
Date: August 25, 1908
Creator: Mayo, William C.
Partner: UNT Libraries Government Documents Department

Automatic Multiple Fuse Block

Description: Patent for an automatic multiple fuse block. This invention is "provided a normally inactive shunt circuit through which, when a fuse is blown, the current is diverted to an electro-mechanical means which, when the rush of current causing the fuse to blow" (16-21). Illustration included.
Date: February 18, 1908
Creator: Mayo, William C.; Houlehan, John & Briggs, George E.
Partner: UNT Libraries Government Documents Department

Reciprocating Electric Engine

Description: Patent for a reciprocating electric engine. Illustration included.
Date: February 21, 1905
Creator: Wagner, Bruno Otto
Partner: UNT Libraries Government Documents Department

Fiber-Cleaning Machine

Description: Patent for a machine intended to remove the pulp from the fiber of tropical plants. Illustrations included.
Date: May 19, 1908
Creator: Vaughan, Henry Latrobe
Partner: UNT Libraries Government Documents Department

Reciprocating Electric Engine

Description: Patent for "means for employing an ordinary continues current from a suitable source to produce an oscillating primary magnetic field of a solenoid-magazine and to use said magnetic field for setting a piston-like armature in a reciprocal axial motion to develop mechanical power in both directions" (lines 11-17).
Date: June 13, 1905
Creator: Wagner, Bruno Otto
Partner: UNT Libraries Government Documents Department

Electromagnetic Ore-Separator.

Description: Patent for an electromagnetic ore separator, which reduces the risk of any valuable particles falling with the waste mineral material below the magnetic surface.
Date: February 16, 1909
Creator: Charlton, Thomas
Partner: UNT Libraries Government Documents Department

Governor for Explosive-Engines.

Description: Patent for a governor for explosive engines for use in trains, which will increase the fuel efficiency of the engines.
Date: April 27, 1909
Creator: Mayo, William C. & Houlehan, John
Partner: UNT Libraries Government Documents Department
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