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Improvement in Cultivators.

Description: Patent for improvement in cultivators by using adjustable screw-rods from the ends of short laterally-vibrating levers to suspend the cultivator-beams in the front; the levers are arranged to be operated by an attendant’s feet. Illustration is included.
Date: September 28, 1869
Creator: Hall, Thomas J.
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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.
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Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for an improvement to reversible plows. The plow specified is capable of throwing dirt to both the left and right sides.
Date: January 9, 1912
Creator: Sramek, Jacob
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Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for an inexpensive and simple plow that has an improved braces placement which makes the plow very rigid. The blade angle is also adjustable and the plow can be a single or double plow.
Date: March 27, 1894
Creator: Edge, John S.
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Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design "has for its object to produce a plow which shall scour or clean itself readily in sticky soil and shall be Light of draft. To this end it consists in the construction and combination of the point and mold-board of a plow" (lines 8-13).
Date: July 3, 1883
Creator: Simpson, George
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Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a plow with an adjustable slide mechanism, standard, and handles.
Date: November 15, 1910
Creator: Hall, Charlie L.
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Partner: UNT Libraries Government Documents Department

Cultivator.

Description: Patent for a new and improved cultivator. This design "ha[s] for its object the provision of strong and reliable means whereby any desired number of plow-shovels may be used and the distance between the said plows regulated or adjusted at will by very simple means. A further object is to provide means to enable all the plows, excepting two, to be removed, to adapt the device to be used to lay off rows at a predetermined distance apart to prepare for sowing" (lines 9-19).
Date: August 16, 1887
Creator: Sutton, James Macaulay
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design "has for its object to produce a plow suitable for general purposes, of great durability and efficiency, and provided with a reversible share and landside, which are so arranged that while the point or the one and edge or flange of the other are being worn away or dulled the reversed point of the former and reversed edge or flange of the latter are being pointed and sharpened by contact with the soil through which the plow is driven, thus compensa… more
Date: November 15, 1881
Creator: Holland, Joseph J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Gang-Plow.

Description: Patent for improvement in gang-plow by using an adjustable slotted cross-bar to enable the “plow-beams to oscillate, so that their landsides are always vertical, however uneven the ground may be.” (Lines 20-21) “This tool can also regulate the depth of the plows in the ground whereby the depth of furrow is adjusted.” (Lines 24-25) Illustration is included.
Date: April 20, 1869
Creator: Hall, Thomas J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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