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Nut-Lock.

Description: Patent for new qualities of nut-lock security, efficiency, and convenience, including illustrations.
Date: April 24, 1906
Creator: Payne, Lewis.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Regulator for Pneumatic Flues

Description: Patent for a regulated valve to automatically maintain air pressure in a pneumatic conveyor flue. Excessive air pressure causes a secondary valve to open and vent the pressure while at the same time impeding air flow downstream.
Date: May 28, 1901
Creator: Caffey, Charles B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Boat-Propeller.

Description: Patent for a boat propeller, which is inexpensive and adaptable to small boats. The propeller can go forwards or backwards and use multiple oars.
Date: February 5, 1901
Creator: Caffey, John W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling

Description: Patent for an improvement in car couplings "whereby the pin-support is operated not by the links but by the impact of the cars themselves and of a yielding link" (lines 55-58).
Date: June 7, 1892
Creator: Young, James D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "consists in the combination of the draw-heads provided with projections, a coupling-link, an operating-rod loosely connected to each of its ends, and a suitable support or guide through which these rods move . . . The object of [the] invention is to provide a car-coupling in which the two cars are coupled together by means of a link which is provided with an operating rod at each end, both of the rods and the link being atta… more
Date: April 29, 1890
Creator: Campbell, Neil Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bicycle.

Description: Patent for a bicycle that has a drive wheel, a ratchet wheel attached to the drive wheel, a chain that goes around the ratchet wheel, an apparatus for reciprocating the chain, a guideway from the chain to the ratchet wheel, a knob on the chain that engages the guideway, a pair of levers connected to the chain, and a chord that connects the levers to the chain.
Date: February 19, 1895
Creator: Williams, Elbert D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Copy Holder

Description: Patent for an improved copy holder design that is "adapted for holding stenographers' notebooks and other copies and equipped with an efficient line guide, capable of easy and rapid operation to drop the line indicating means from one line to another with perfect accuracy" (lines 14-19), including illustrations.
Date: April 28, 1914
Creator: Wrede, Albin C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Combination-Flue

Description: Patent for a flue which will not crack and open, due to settling or to transverse strain. Also to provide means whereby the flue may be supported from the joists of a ceiling, against settling.
Date: February 3, 1914
Creator: Carl, Reinhold Adolph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Replacer

Description: Patent for improved replacers for derailed railroad cars, complete with illustrations.
Date: April 13, 1915
Creator: Duval, Allen
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Buggy-Shaft Brace.

Description: Patent for buggy shaft braces for connecting the shaft and cross bar of a vehicle, in order to eliminate malfunction of cross bar.
Date: September 23, 1913
Creator: Brunken, John H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Air-Brake.

Description: Patent for train air-brakes to provide set brakes and same auxiliary pressure on all cars regardless of the brake cylinder piston travel distance.
Date: January 13, 1914
Creator: Wolf, Gustav B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cattle-Guard

Description: Patent for an improved cattle guard with two parts that is adapted to specifically fit either inside the railroad tracks or alongside them.
Date: October 28, 1919
Creator: Fisher, Thomas M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for an acetylene-gas generator that provides an apparatus in which the parts may be readily detached for convenience in making repairs.
Date: June 5, 1908
Creator: Carl, Reinhold A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Combination-Flue.

Description: Patent for the improvement of combination flue to be more inexpensive and for the parts to be more readily assembled and properly supported.
Date: January 20, 1920
Creator: Carl, Reinhold Adolph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Violin.

Description: Patent for an improved violin that is meant to "improve the acoustical properties of the instrument whereby it is enabled to give forth a deeper and softer tone, free from the "twang" common in instruments of this character, and second, to improve the mechanical construction of the instrument so that it will be less liable to become split" (lines 26-33).
Date: May 2, 1893
Creator: Clopton, John B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Vehicle for Cotton Pickers.

Description: Patent for a new and improved vehicle for picking cotton. This design "consists in a three-wheeled vehicle provided with a seat, in combination with a suitable frame which is supported at one end upon two wheels, and which is loosely attached at its other end to the axle of the three-wheeled vehicle, and which is used for carrying the bag or basket which is to hold the cotton . . . thus enabl[ing] persons to pick cotton who have weak backs" (lines 15-28).
Date: February 27, 1883
Creator: Reid, John Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Knee-Pad.

Description: Patent for "an improved knee pad or cushion formed to properly fit and bend with the knee and to keep its proper shape while on the limb, and one that will be adapted for all persons engaged in occupations requiring a kneeling posting on the part of the operator." (Lines 15-21) Includes instructions and illustrations.
Date: December 8, 1896
Creator: Laird, John E. B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvements in Steam Engine

Description: Patent for improvements in steam-engines. The goal of this invention to provide a simple construction that can be equally adapted for locomotives and high speed engines.
Date: August 4, 1903
Creator: Dickson, Henry L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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