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Sawmill Carriage Track

Description: Patent for Sawmill Carriage Track. This device allows for the logs to be held in place on a straight line while lining up for timber production.
Date: March 6, 1917
Creator: Heard, Wm. C.
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for an improved model of wrench, designed to work upon the bore of tubes, thimbles, and other forms of pipes. This invention improves on the construction of the wrench, allowing it to be inserted in the end of a tube, and when rotated, be effectively engaged with the tube to turn the same.
Date: March 6, 1917
Creator: Brown, Charley S.
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a wrench where the movement of the jaws is partially automated.
Date: March 6, 1906
Creator: Tiner, John F.
Partner: UNT Libraries Government Documents Department

Valve.

Description: Patent for a valve for suction and blower conduits. This particular device is designed for use in cotton ginneries and saw mills.
Date: March 6, 1917
Creator: Guice, Bengamen R.
Partner: UNT Libraries Government Documents Department

Wave-Motor.

Description: Patent for a wave motor that gathers and stores power from the full force of the waves in their rise and fall. The motor operates a drive shaft.
Date: March 6, 1894
Creator: Walker, James C.
Partner: UNT Libraries Government Documents Department

Lever-Shears.

Description: Patent for certain new and useful improvements in lever shears, including instructions and illustrations.
Date: March 6, 1900
Creator: Williams, Felix A.
Partner: UNT Libraries Government Documents Department

Vehicle - Axle

Description: Patent for a vehicle axle with removable spindle, whereby spindles of different length may be connected to the axle to change the gage of the vehicle--that is, from a narrow - gage vehicle to a wide-gage vehicle, and vice versa - and also permit of the replacement of an old worn spindle by a new one (Matthews, 1902)
Date: March 6, 1902
Creator: Mathews, Arthur R.
Partner: UNT Libraries Government Documents Department

Ventilating Apparatus.

Description: Patent for a ventilating apparatus for railway cars for the purpose of supplying air to railway car interiors without needing to open a window (which tends to also let in smoke and dust), including illustrations.
Date: March 6, 1906
Creator: Parrish, Ezekiel L.
Partner: UNT Libraries Government Documents Department

Treadle-Spring.

Description: Patent for an improved treadle spring to be used in treadles that are used in sewing machines, scroll-saws, and similar machines. It is simple, inexpensive, efficient, and requires less effort to operate the treadle. The spring does not move while in use.
Date: March 6, 1894
Creator: Frank, Gustav, Jr.
Partner: UNT Libraries Government Documents Department

Process of Mixing Concrete and The Like.

Description: Patent for concrete mixer. The processes of mixing concrete and the like allows perfect hydration of mixture and eliminates air pockets in the mixture, including illustrations.
Date: March 6, 1917
Creator: Woodward, Edwin C.
Partner: UNT Libraries Government Documents Department

Grain Heading Machine

Description: Patent for machine that aids in the harvest and processing of Kafir corn.
Date: March 6, 1917
Creator: Forbes, Cullen C., Jr.
Partner: UNT Libraries Government Documents Department

Oil Filter

Description: Patent for Oil Filter
Date: March 6, 1917
Creator: Armstrong, Frank J.
Partner: UNT Libraries Government Documents Department

Underground Electric Railway.

Description: Patent for certain new and useful improvements in underground electric railways, including instructions and illustrations.
Date: March 6, 1900
Creator: Smith, George W.
Partner: UNT Libraries Government Documents Department

Harrow

Description: Patent for a wheeled riding harrow that can be moved in or out of land engaging postion as is wanted.
Date: March 6, 1917
Creator: Tengler, Frederick R.
Partner: UNT Libraries Government Documents Department

Hame Hook

Description: Patent for improved harness and trace connector.
Date: March 6, 1917
Creator: Conn, Isaac D.
Partner: UNT Libraries Government Documents Department

Mine-Door.

Description: Patent for an mine door that has an improved locking mechanism. A rope is strung through pulleys, and is operated by pushing a lever that moves the rope and the door swings open.
Date: March 6, 1894
Creator: Warren, Governor D.
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a pump. This patent claims improvements in the design of pumps used for oil or water.
Date: March 6, 1906
Creator: Nevins, Ennis M.
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

Plow-Attachment.

Description: Patent for a turning plow attachment which prepares the soil to receive seed, whereby reducing labor.
Date: March 6, 1920
Creator: Miller, James Archie
Partner: UNT Libraries Government Documents Department

Motor-Cultivator

Description: Patent for an improvement to motor cultivators. It provides the operator a way to manually adjust the depth of the furrow and cultivator blade, including illustrations.
Date: March 6, 1917
Creator: Runge, Friedrich Albert
Partner: UNT Libraries Government Documents Department

Stock-Loader.

Description: Patent for a stock-loader that loads cattle onto locomotive cars and does not use a gangway. It is a "movable floor or platform which, by means of suitable mechanism, is moved toward the car, thus carrying the stock thereinto whether they face in the direction of movement or not, and without effort upon their part" (lines 15-20).
Date: March 6, 1894
Creator: Rotzien, Christopher & Arnold, Philip
Partner: UNT Libraries Government Documents Department

Cartridge Holder

Description: Patent for a belt adapted to hold the shells used in fire arms.
Date: March 6, 1917
Creator: Logan, Paul H.
Partner: UNT Libraries Government Documents Department

Planter.

Description: Patent for a Planter that is adjustable used to drops seeds, forming a covered furrow so that sub-soil may be plowed.
Date: March 6, 1917
Creator: Baker, Gustavus A.
Partner: UNT Libraries Government Documents Department

Plow-Stock.

Description: Patent for certain new and useful improvements in plow stocks, including instructions and illustrations.
Date: March 6, 1900
Creator: Fillip, Joseph W.
Partner: UNT Libraries Government Documents Department
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