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Spark-Arrester.

Description: Patent for concepts and designs used to improve performance of Spark-Arresters used in the smoke stacks of locomotives with illustrations and instructions.
Date: April 6, 1880
Creator: Wiggin, John E.
Partner: UNT Libraries Government Documents Department

Valve-Gear for Engines.

Description: Patent for "a new and useful improvement in Steam-Engine Valve-Gears." The invention consists in "combining with a crank-shaft and a valve-shaft a lever, shaft, and two friction-wheels" (lines 4-9)
Date: July 6, 1880
Creator: Josserand, Peter
Partner: UNT Libraries Government Documents Department

Valve.

Description: Patent for an improvement in sealing capabilities for water pump valves, including illustrations.
Date: July 6, 1915
Creator: Shelp, William B.
Partner: UNT Libraries Government Documents Department

Locking Device for Automobiles

Description: Patent for automobiles to lock the steering shaft so that it is un-driveable and cannot be stolen and driven away without the key.
Date: June 6, 1916
Creator: Kavanaugh, Nelson J.
Partner: UNT Libraries Government Documents Department

Vaporizer for Use with Electric Fans

Description: Patent for an improvement on diffusers used for purifying, cooling and humidifying air.
Date: October 6, 1914
Creator: Stratford, John R. & Ackley, John A.
Partner: UNT Libraries Government Documents Department

Improvement in Rotary Engines.

Description: Patent for rotary engines "driven by steam or other elastic agent, or which may be used for pumping water" (lines 29-32) to obtain "a more direct application of the force applied to drive the engine" (lines 39-40) including instructions and illustrations.
Date: February 6, 1872
Creator: Richardson, John Dun
Partner: UNT Libraries Government Documents Department

Umbrella

Description: Patent for an umbrella. Illustration included.
Date: November 6, 1906
Creator: Mangelsdorf, Gustav A.
Partner: UNT Libraries Government Documents Department

Well-Cleaner.

Description: Patent for improvements for cleaning oil, water, and gas wells that goes into the well and flushes out a clogged screen.
Date: August 6, 1920
Creator: Bashara, Samuel F.
Partner: UNT Libraries Government Documents Department

Vending-Machine.

Description: Patent for improvements in the construction of coin-operated vending machines which automatically lock when coins are not inserted. This device is designed to dispense objects of many shapes and sizes. Illustrations included.
Date: January 6, 1920
Creator: Ogden, Carlton N.
Partner: UNT Libraries Government Documents Department

Improved Mode of Preserving Meat.

Description: Patent for a process that claims to preserve meat. The patent includes only instructions and no illustrations.
Date: October 6, 1868
Creator: Perl, M.
Partner: UNT Libraries Government Documents Department

Mechanism for Converting Motion

Description: Patent for mechanism for converting motion. "The present invention relates to mechanism for converting reciprocatory into rotary motion; and the objects are to provide a practical apparatus of this character in which rotary motion may be imparted to a driven member without occasioning any dead-centers and to provide simple means reversing the direction of motion of the driven member" (line 10-19). Illustrations included.
Date: October 6, 1903
Creator: Griffin, George L.; Griffin, Robert Alonzo; Griffin, Chelsea Beach & Griffin, Herbert Elvia
Partner: UNT Libraries Government Documents Department

Steam-Generating Plant

Description: Patent for improvements in steam-generating plants. The most notable change is that the boiler proper is separate from the furnace proper but still contains the water, steam, and fire tubes.
Date: March 6, 1919
Creator: Connelley, Edward
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a pump for deep wells with a "specially constructed piston capable of a powerful working stroke and which will secure at all times a full volume of liquid at each stroke of the pumping rod." (line 25) including instructions and illustrations.
Date: July 6, 1920
Creator: Humason, Granville Allison
Partner: UNT Libraries Government Documents Department

Washing Machine

Description: Patent for a washing machine. Illustration included.
Date: April 6, 1909
Creator: Hamilton, Walter Scot & Williams, James Rozier
Partner: UNT Libraries Government Documents Department

Hay and Cotton Press.

Description: Patent for a new and improved baling press. This design is for "[a]n improved device for retaining a compressed bale in its condensed state after the follower is withdrawn, which consists of pawls pivoted in holes in the sides of the press-box and projecting toward the rear end of the press-box . . . [and] [t]he combination, with the follower rack-bar, the pinions, the shafts, having suitable pulleys, adapted to be connected by belts, of two clutches, and a centrally-pivoted lever having [a] ha… more
Date: March 6, 1883
Creator: Hampton, John Andrew
Partner: UNT Libraries Government Documents Department

Shutter-Hinge

Description: Patent for a shutter hinge made of sheet metal which does not creak in the wind and is sturdier than older hinges made of cast metal.
Date: October 6, 1908
Creator: Williams, John B.
Partner: UNT Libraries Government Documents Department

Wind-Stacker

Description: Patent for a wind stacker to be adapted to threshers. Illustrations included.
Date: June 6, 1911
Creator: Richmond, George E.
Partner: UNT Libraries Government Documents Department

Rotary Boring Drill

Description: Patent for rotary boring drill with explanation and the accompanying illustrations.
Date: November 6, 1917
Creator: Hughes, Howard R
Partner: UNT Libraries Government Documents Department

Nut Locking Device.

Description: Patent for a new and improved nut-locking device to securely lock fish plates to rail ends.
Date: April 6, 1920
Creator: Hales, Wiley J.
Partner: UNT Libraries Government Documents Department

Means for Detachably Securing Chairs to Floors.

Description: Patent for a new device that secures chairs to the floor and is easily detachable so the chairs can be moved when necessary.
Date: April 6, 1920
Creator: Lambert, Joseph A.
Partner: UNT Libraries Government Documents Department

Receptacle.

Description: Patent for a "discharge spout" (line 34) that prevents accidental spills for receptacles that contain liquids, including illustrations.
Date: July 6, 1915
Creator: Goodpasture, Thomas B. & Maxwell, Thomas J.
Partner: UNT Libraries Government Documents Department

Polishing-Machine

Description: Patent for improvements in polishing machines for "polishing marble and other similar stones... and giving a smooth surface to any material of like character." Invention provides a "movable abrading member...and comprehends and mechanism whereby said member may be automatically moved back and forth over the surface to be polished."
Date: April 6, 1915
Creator: Giesberg, John G.
Partner: UNT Libraries Government Documents Department

Cultivator

Description: Patent for a cultivator for cotton and or corn.
Date: January 6, 1891
Creator: Neitsch, Fred T.
Partner: UNT Libraries Government Documents Department

Cotton-Picking Machine

Description: Patent for a cotton picking machine. Illustrations included.
Date: September 6, 1910
Creator: Stoops, Harry James
Partner: UNT Libraries Government Documents Department
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