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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.
Item Type: Refine your search to only Patent
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
Item Type: Refine your search to only Patent
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.
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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
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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
Item Type: Refine your search to only Patent
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
Item Type: Refine your search to only Patent
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
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary Engine

Description: Patent for a rotary engine. This invention consists of a "stationary jacket and a rotor revoluble therein with a maximum degree of power and a minimum of friction" (lines 11-14). Illustrations included.
Date: August 6, 1912
Creator: Bosley, William C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dispensing-Vehicle.

Description: Patent for a "portable store or dispensing vehicle" (lines 11-12) designed to carry a small stock of merchandise that can be conveniently displayed & sold to customers, quickly turned to ensure freshness, and refrigerated if necessary. The vehicle is intended to support quick relocation through its portability, save time for both dispenser and customer alike, and be either draft animal- or motor-driven, illustrations included.
Date: January 6, 1920
Creator: Moody, Jason B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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