9 Matching Results

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in subjects: "ploughs"  
Results: 1 - 9

Stalk-Cutter.

Description: Patent for a stalk-cutter that will improve the effectiveness of stalk cutting by readily attaching to a plow or tilling machine, increasing the draft, including instructions and illustrations.
Date: August 14, 1917
Creator: Gable, Gus
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for an improvement to the plow by providing a plastic or plastic-like material to help sticky, thick soil and clay to glide over the surface and decrease frictional resistance, including illustrations.
Date: March 2, 1915
Creator: Fleehearty, Edward L.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sulky-Plow

Description: Patent for the design of a plow that can "overcome obstacles without injury to"(lines 14-15) to the machine. It also includes a new design for a plow foot spring, in addition to an element that allows the foot spring to be adjusted quickly by there operator.
Date: April 24, 1917
Creator: Sanders, John T.
Item Type: Refine your search to only Patent
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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for improvements in plows used for agricultural purposes with an illustration. This improvement in design is specific to "provid[ing] a plow capable of being adjusted to cause engagement thereof with the earth at varying depths" (lines 10-12).
Date: June 24, 1919
Creator: Marshall, Andrew Jackson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow-Facing

Description: Patent for an improvement on the coating and plastic facing of the mold boards and shovels on a plow.
Date: May 12, 1914
Creator: Martin, William A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Seeder and Planter.

Description: Patent for a seeder and planter improvement. The invention "produce an improved leveling board to be used in connection therewith the purpose of leveling soil and crushing clods and for the additional purpose of regulating the depth to which the seed shall be planted." (lines 9-14)
Date: December 23, 1913
Creator: Mallory, Merideth T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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