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Well-Casing Spear

Description: Patent for a well casing spear. Illustrations included.
Date: February 28, 1911
Creator: Norris, Joseph B.
Partner: UNT Libraries Government Documents Department

Well Bucket.

Description: Patent for a new and improved well-bucket. This design consists in "the cylinder or body, the flaring bottom rim or hoop provided on its inner surface with suitable screw-threads, and also having on its lower peripheral portion diametrically-opposed lugs or projections, the perforated bottom pieced provided with suitable threads upon its peripheral portion, the upper curved or arched guide-arm having a central perforation and provided with screw-threaded ends having shoulders bearing against th… more
Date: August 28, 1888
Creator: Van Hook, John Lloyd
Partner: UNT Libraries Government Documents Department

Ventilating Device

Description: Patent for a ventilating device for vehicles. Illustrations included.
Date: February 28, 1911
Creator: Cunningham, Melville Boyd
Partner: UNT Libraries Government Documents Department

Improvement in Apparatus for the Manufacture of Ice.

Description: Patent for a refrigeration apparatus "in which a continuous operation is maintained by means of a current of ether or other volatile fluid which liquefies at a low temperature." (Lines 18-21) Includes instructions and illustrations.
Date: November 28, 1871
Creator: Mühl, A.
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for improvement in plows: "The invention consists in so attaching a revolving disk, cutter, or colter to the beam of the plow that it will rotate on its own axis, and vibrate laterally, to accommodate itself to the line of draft or direction of the beam of the plow; also, in the means used by which the revolving cutter or colter is attached to the beam of the plow, and having the means of swiveling or turning in the beam to accommodate itself to the line of draft of the plow" (lines 22-3… more
Date: December 28, 1869
Creator: Hall, Thomas J.
Partner: UNT Libraries Government Documents Department

Throttle for Gasolene Engines.

Description: Patent for throttling the gasoline supply of a motor which is particularly adapted for connection with automobiles or vehicles.
Date: March 28, 1916
Creator: Cardwell, Marshal C.
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for a new and improved turn-plow which "consists in several features of improvement, by which the preparation and tillage of soil may be done at less the usual expense, and more than the usual convenience to the farmer." (lines 13-18) including instructions and illustrations.
Date: July 28, 1874
Creator: White, Moses F. & Blankenship, Augustus J.
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Ties.

Description: Patent for an improved bale-tie which is to be used especially with cotton, includes instructions and illustration.
Date: May 28, 1878
Creator: Arnold, Lloyd
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for an improvement in plows, includes instruction and illustration.
Date: May 28, 1878
Creator: Moore, Thomas M.
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for an improvement in plows, includes instruction and illustration.
Date: May 28, 1878
Creator: Nitschmann, Franz
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Choppers

Description: Patent for improvement for cotton-choppers. Includes specifications and illustrations.
Date: October 28, 1879
Creator: Sauls, William W.
Partner: UNT Libraries Government Documents Department

Military Saddle.

Description: Patent for a new and improved military saddle. This design is "so constructed that the valises and other equipments may be connected with the saddle in such a way as to distribute and balance their weight, and at the same time make the saddle comfortable for the rider. The invention consists in constructing a saddle with appliances to receive valises, a pair of girths, a gun, and an overcoat" (lines 19-28).
Date: September 28, 1880
Creator: Hastings, John Reed
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Choppers.

Description: Patent for improvements in cotton choppers.
Date: April 28, 1868
Creator: Kidd, I. J.
Partner: UNT Libraries Government Documents Department

Hydraulic Motor.

Description: Patent for a new and improved hydraulic motor. This design "consists, broadly, in alternately directing a moving column of water or like fluid into two cylinders placed side by side, and containing working-pistons united at their outer ends to crank-arms connecting with the power-shaft and with a cam-wheel operating the cut-off mechanism" (lines 15-22).
Date: October 28, 1884
Creator: Woodburn, William W.
Partner: UNT Libraries Government Documents Department

Stalk-Breaker.

Description: Patent for a stalk-breaker that breaks "the stalks into small pieces and which will be under the control of the driver so as to be thrown in and out of gear at will, and in which the breaker mechanism will be so constructed that it will give when an unyielding substance is run against, thereby preventing breakage or damage to the machine" (lines 13-20).
Date: March 28, 1893
Creator: James, Will S.
Partner: UNT Libraries Government Documents Department

Spading-Machine.

Description: Patent for a spading-machine that "can be propelled by any mechanism desired and which has soil engaging devices mounted in a novel manner whereby, as the machine is moved forwardly, said devices will be forced downwardly into the soil and then lifted upwardly so as to lift or break the soil." (lines 11-17) including instructions and illustrations.
Date: August 28, 1917
Creator: Robinson, David M.
Partner: UNT Libraries Government Documents Department

Spark-Plug

Description: Patent for new improvements in Spark-Plugs which decreases the possibility of imperfect sparking and provides a visible indication if the spark plug is not working properly.
Date: July 28, 1914
Creator: Cole, Emory W.
Partner: UNT Libraries Government Documents Department

Steam-Boiler Indicator.

Description: Patent for an improvement in steam boiler indicators to alert when the water has dropped below a specified threshold, including instructions and illustrations.
Date: April 28, 1914
Creator: Marrs, Vollie B.
Partner: UNT Libraries Government Documents Department

Pressure Device.

Description: Patent for a new and improved compacter. This design "has relation to portable pressure-devices for use in casks, boxes, barrels, or other receptacles; and the invention consists in the construction and novel arrangement of the pointed dogs and cam-levers pivoted together, and in the combination therewith of a pivot-bolt having its nut secured by means of a locking-key" (lines 20-27).
Date: August 28, 1883
Creator: Moore, William Alexander
Partner: UNT Libraries Government Documents Department

Protector for Paper-Rolls.

Description: Patent for adjustable paper roll protector that prevents rolls of paper (such as what is used for newspaper printing) from becoming damaged during shipping and/or handling to prevent waste. Includes illustrations.
Date: May 28, 1918
Creator: Staley, William O.
Partner: UNT Libraries Government Documents Department

Protective Covering For Ice-Bags.

Description: Patent for protective coverings for ice-bags, providing a device to be applied to an ice cap or bag to protect the bed clothing from becoming wet due to the sweating of the bag.
Date: November 28, 1916
Creator: Slataper, Alice L.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for improvement in plows, allowing for the adaptable use of walking or riding plows with the use of a wheel and frame with instructions and illustrations.
Date: December 28, 1915
Creator: Hildebrandt, Henry F.
Partner: UNT Libraries Government Documents Department

Time-Controlling Mechanism.

Description: Patent for new and useful Improvements in Time-Controlling Mechanism "designed more particularly for the automatic operation of electric switches, circuit closers, and the like" (lines 13-15), including illustrations and instructions. A main object of the invention is to provide a time controlling mechanism for alarm clocks to "intermittently operate the electric switch or other movable member at pre-determined intervals" (lines 19-21).
Date: August 28, 1917
Creator: Gerdes, Herman Henry.
Partner: UNT Libraries Government Documents Department

Hose Attachment

Description: Patent for hose to be used in well-drilling.
Date: November 28, 1916
Creator: Girten, Charles E. & Bowman, Archibald M.
Partner: UNT Libraries Government Documents Department
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