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Pneumatic Conveyer

Description: Patent for pneumatic conveyor to handle cotton seeds that are being discharged. This particular conveyor uses air currents to operate it.
Date: November 6, 1917
Creator: Caffey, Charles B.
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Partner: UNT Libraries Government Documents Department

Hay-Press.

Description: Patent for a hay bailing machine. "The invention relates to bailing-presses, and more particularly to that class adapted for bailing hay, straw, &c.; and it has for one object to provide a simple and efficient construction in which a continuous rotation of the bailing-lever will act in conjunction with a retractile spring to reciprocate the plunger" (lines 7-13). "A further object of the invention is to provide a simple and efficient construction of detent for holding the gate after the hay or … more
Date: May 1, 1900
Creator: Garrett, Irvin H.
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Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Presses.

Description: Reissued patent for a new and useful improvement in cotton press: "The invention consists in operating the nut of a follower-screw by means of a drive-pinion, whose own shaft is actuated alternately in opposite directions, by a friction-wheel" (lines 13-16).
Date: March 31, 1874
Creator: Knowles, William Wadsworth
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Partner: UNT Libraries Government Documents Department

Poison Distributor for Growing Plants

Description: Patent for a device that can be easily attached to a cultivator and delivers poison to both the roots and the top of a plant, protecting the plant from pests and disease, with illustrations.
Date: December 16, 1902
Creator: Zedlitz, Edward
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Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Scrapers.

Description: Patent for improvement in cotton-scrapers by using the combination of horizontal bars, cams, and a beam which consist of ploughs to construct the cotton-scraper; when the “cams revolve and give a lateral and forward motion to the horizontal bars, the beam and the ploughs. As it works backward and forward, the ploughs each describe a zigzag line which cross and leave a hill in diamond-shape undisturbed.” (Lines 21-24) Illustration is included.
Date: April 28, 1868
Creator: Kidd, I. J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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