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Lubricating car-axles

Description: Patent for an improvement in axle lubrication involving an oil-elevator, axle-box and journal-box. Includes illustrations.
Date: January 7, 1873
Creator: Morris, Joseph R.
Partner: UNT Libraries Government Documents Department

Metal-Frame Screen

Description: Patent for a window screen frame made of metal.
Date: June 7, 1910
Creator: Williams, John B.
Partner: UNT Libraries Government Documents Department

Improvement in Screw-Taps.

Description: Patent for "a tool that shall combine the features of an expanding tap and reamer for reaming and tapping holes of different sizes" (lines 29-32) with illustrations and instructions.
Date: November 7, 1876
Creator: Melvin, Josiah Walter
Partner: UNT Libraries Government Documents Department

Switch-Operating Mechanism

Description: Patent for a railroad switch operating mechanism that is operated from the train which can can close a switch accidentally left open.
Date: July 7, 1908
Creator: Hyman, Henry F. & Hay, G. H.
Partner: UNT Libraries Government Documents Department

Improvement in Medical Compounds.

Description: Patent for a new medical compound to remedy chills and fever.
Date: February 7, 1871
Creator: Lister, Henry
Partner: UNT Libraries Government Documents Department

Ratchet Drill

Description: Patent for rachet drill.
Date: November 7, 1916
Creator: Sherman, James M.
Partner: UNT Libraries Government Documents Department

Oil Burner

Description: Patent for an improved oil burner design that uses steam to heat and vaporize the oil, mixing with the oil for more efficient burning, including an illustration.
Date: April 7, 1914
Creator: Tinkham, George F.
Partner: UNT Libraries Government Documents Department

Valve for Pumps.

Description: Patent of a valve used on deep well pumps; that my contain sand, shale or sediment
Date: June 7, 1921
Creator: Shevlin, Miles
Partner: UNT Libraries Government Documents Department

Rotary Disk Drill

Description: Patent for an improvement to rotary disk drills that prevent excessive wear on the cutting edge of the disk.
Date: March 7, 1916
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Rail Joint

Description: Patent for a rail joint. Illustration included.
Date: February 7, 1905
Creator: Riggs, James M.
Partner: UNT Libraries Government Documents Department

Elevator

Description: Patent for a new and improved elevator that has “a locking device for securing the jaws of the elevator around the pipe to be lifted” (lines 11-13), including illustrations.
Date: March 7, 1916
Creator: Simmons, Wise F. & Levy, Christin W.
Partner: UNT Libraries Government Documents Department

Sample-Taking Device.

Description: Patent for device which takes samples as the drill bit bores through the earth while drilling wells. The samples are used to determine presence or absence of oil and other minerals.
Date: August 7, 1917
Creator: Dodds, Redus D.
Partner: UNT Libraries Government Documents Department

Shoe-Drier.

Description: Patent for a device to help dry and warm shoes.
Date: October 7, 1913
Creator: McIver, James William
Partner: UNT Libraries Government Documents Department

Pipe-Engaging Slip for Rotaries

Description: Patent for improving pipe engaging rotaries, with illustrations.
Date: June 7, 1921
Creator: Livergood, Gerald R.
Partner: UNT Libraries Government Documents Department

Patch for Cotton Bales.

Description: Patent for a patch for cotton bales. The invention provides a solution for the need to cut a slit in a cotton bale to see to the cotton's quality. This cotton bale patch serves as a way to fasten these slits in production to prevent loss or theft of the cotton product.
Date: January 7, 1919
Creator: Louis, Rube B.
Partner: UNT Libraries Government Documents Department

Doll.

Description: Patent for a doll that will be durable and attractive by constructing a rigid form of the human bust and shoulders which serves to make these parts more durable, including illustrations and instructions.
Date: May 7, 1912
Creator: Baker, Marie K.
Partner: UNT Libraries Government Documents Department

Try-Square.

Description: Patent for try squares which provides certain improvement in try squares. "The aim of the present improvement is to provide means for continuing a scribe or mark around the edge of a board or piece of timber to correspond to a main indication accurately on both sides without changing the position of the square, and, further, to have the main blade of the square constructed for gaging or ruling by the provision therein of apertures to receive the point of a pencil or other marking device" (lines… more
Date: October 7, 1902
Creator: Pugh, Samuel Ress
Partner: UNT Libraries Government Documents Department

Notching Attachment for Wire-Winding Machines

Description: Patent for a notching attachment for wire winding machines used for well screens. Illustrations included.
Date: June 7, 1910
Creator: Stancliff, George W.
Partner: UNT Libraries Government Documents Department

Cash-Fare-Slip Holder

Description: Patent for a cash fare slip holder for use on train or trolley lines.
Date: June 7, 1910
Creator: Thomsen, Herman E.
Partner: UNT Libraries Government Documents Department

Water-Heating Attachment for Internal-Combustion Motors.

Description: Patent for a water heating attachment for internal combustion motors that will allow the cooling fluid in said motors to remain heated even when the motor is at rest, especially during freezing temperatures, including illustration.
Date: December 7, 1920
Creator: Clayton, Oscar B. & Oberwetter, George T.
Partner: UNT Libraries Government Documents Department

Trick-Pipe.

Description: Patent for a trick pipe, which has a lid over the pipe bowl that ordinarily would blow off when the pipe is blown into, but when put in the trick position will seal itself on no matter how hard the person blows.
Date: April 7, 1908
Creator: Judson, Fred Irving
Partner: UNT Libraries Government Documents Department

Retaining Means for Rotary-Drill Cutters.

Description: Patent for new retaining rings in rotary-drill cutters, which allow the cutters to be inserted into and removed quickly from a drill, and can be "manufactured cheaply" (line 28).
Date: March 7, 1916
Creator: Hughes, Howard Robard, 1869-1924
Partner: UNT Libraries Government Documents Department

Baling Press.

Description: Patent for a new and improved baling-press. This design has for its object "to provide a press in which the material to be baled can be compressed into bales of the desired sizes, and then emptied from the baling-box by tilting up the tail-board, which is provided with angle irons to catch under the bale" (lines 15-20).
Date: August 7, 1888
Creator: Hoop, Friedrich W. J. & Isaac, Joseph
Partner: UNT Libraries Government Documents Department
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