UNT Libraries Government Documents Department - 35 Matching Results

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Balanced Valve

Description: Patent for a balanced valve for a steam powered sawmill.
Date: March 3, 1908
Creator: Rigsby, Lewis J.

Apparatus for Checking Runaway Horses.

Description: Patent for a new and useful apparatus for checking runaway horses, including instructions and illustrations.
Date: August 30, 1898
Creator: Singleton, James M.

Ash Pan

Description: Patent for an ash pan. Illustration included.
Date: August 14, 1906
Creator: Byar, Ernest & Clopton, Mortimer L.

Car-Replacer

Description: Patent for a railway car replacer, which is used to derail vehicles as well as for, "restoring derailed railway vehicles to the track."
Date: April 6, 1915
Creator: Martin, Daniel W.

Bridle Rod

Description: Patent for a bridle rod that will be longitudinally adjustable for taking up the space that would be likely to occur between the switch points and the rails so that both of the switch points will, when the switch is operated, move to the proper position for presenting a smooth and even surface for the wheel flange of the railway rolling stock when the same pass over the switch.
Date: July 17, 1917
Creator: Mc Robertson

Air-Brake Apparatus.

Description: Patent for an improvement to the air brake which includes new types of valves.
Date: April 14, 1914
Creator: Parker, William E.

[Log Turner]

Description: Patent for a log turner. This "invention relates to an improvement in nigger-bars used in connection with steam-cylinders to turn the logs on sawmill-carriages" (line 8-11). Illustration included.
Date: December 22, 1903
Creator: Edwards, Daniel R.

Vehicle

Description: Patent for a vehicle used as a truck or bolster. Illustrations included.
Date: April 5, 1910
Creator: Martin, W. Daniel

Washboard

Description: Patent for washboard that "is made for automatically moving, step by step, a cake of soap inclosed in a housing" (lines 9-11) against the cloths being washed and is "operated by the pressure exerted through the rubbing action upon a rubbing board associated with the device" (lines 22-24).
Date: December 5, 1916
Creator: Durden, Perrey Milton

Timber-Hook.

Description: Patent for an improved timber hook that is capable of automatically adjusting itself "according to the various lengths of logs" (lines 18-19).
Date: May 26, 1914
Creator: Martin, Daniel W.

Hose Reel

Description: Patent for a hose reel that makes water easily available to the people in a building that has caught fire and is more easily maneuverable.
Date: August 24, 1920
Creator: Hamner, Edward M.

Pressure-Regulator

Description: Patent for a Pressure-Regulator, which is a device for "automatically regulating the pressure of steam, compressed air, or other gases while passing through a conduit" (lines 8-10).
Date: October 24, 1905
Creator: Moffett, James D.

Pump.

Description: Patent for an improved pump valve designed for a pump for pumping oil from oil wells "which will not be affected by the fluid or gas pressure in the bore" (lines 17-18).
Date: September 30, 1919
Creator: Graf, Sydney H.

Tractor.

Description: Patent is for a new and improved tractor design. Improvements to gear and axle design that enable the tractor to make narrower turns and to make power run from the engine to the gears without interfering with the steering mechanism.
Date: January 7, 1917
Creator: Hudgens, George Thomas

Soda-Tank for Dipping Lumber

Description: Patent for an apparatus which contains a tank of soda in which yellow pine lumber is dipped to prevent blue stain. Illustrations included.
Date: December 12, 1911
Creator: Trout, Walter Charles & Trout, William Henry

Hitching Device

Description: Patent for a hitching device
Date: February 6, 1912
Creator: McClendon, James T. & McClendon, Fred H.

Fire-Extinguishing Apparatus.

Description: Patent for a fire-extinguishing apparatus designed for use in gin-mills, saw-mills, factories, and other buildings. The operator can quickly turn on a stream of water and extinguish the flames. The apparatus is a valved supply-pipe connected to a boiler, branch pipes extend from the supply-pipe, and discharge nozzles are connected and are flexible.
Date: March 24, 1896
Creator: Driver, Elias K.

Fire-Escape

Description: Patent for a flexible chute that attaches to the window frame. The chute uses hinges or a pivot so it can be moved out of the way when not is use.
Date: March 9, 1909
Creator: Woods, Murray

Driving-Box.

Description: Patent for improvements in locomotive driving-boxes aimed at eliminating the need to hold locomotives (trains) out of service for significant periods of time in order to repair solid driving boxes. Increased functionality is achieved by means of removable hub liner, deliverability of lubricant to various surfaces of the box and sections having slidable engagement with the hub face.
Date: December 31, 1918
Creator: Simmons, Arthur W.

Drive Gear-Wheel

Description: Patent for drive gear wheel to be used for locomotives. Illustrations included.
Date: July 5, 1910
Creator: Jones, James Edward

Folding Coach-Step.

Description: Patent for foldable steps for train cars, in particular passenger cars.
Date: April 16, 1917
Creator: Berry, John F.

Expansion-Cultivator.

Description: Patent for cultivators "which can be readily expanded or contracted to adapt the device to the distance apart of the rows to be cultivated or to cover a tract or greater or less breadth." (Lines 10-13) Includes instructions and illustrations.
Date: March 9, 1897
Creator: Moore, William M.
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