UNT Libraries Government Documents Department - 49 Matching Results

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Seed Planter

Description: Patent for a seed planter. This invention is designed to plant seed in hills at any desired predetermined distance apart.
Date: October 6, 1903
Creator: Coble, William H.; Coble, Robert L.; Johnson, Bennett & Johnson, N. J.
Item Type: Refine your search to only Patent

Improvement in Cotton-Seed Planters.

Description: Patent for the improvement of the hopper, stirrer, and distributor in cotton-planters that dispenses seeds into the soil using two horizontal united disks that discharges the seeds regularly and evenly, including illustration.
Date: September 13, 1859
Creator: Collier, T. T.
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Refrigerator.

Description: Patent for an efficient refrigerator meant to preserve meat, dairy, and produce. The refrigerator uses evaporating water to cool the food, not ice. There are inner and outer layers, a large water pan with vertical drip openings, and inner screen walls.
Date: April 17, 1894
Creator: Denson, Joseph
Item Type: Refine your search to only Patent

Hose-Coupling.

Description: Patent for hose couplings which "may be very quickly and effectively placed in engagement with and held upon the nozzle of a hydrant, thus making the device very available for fire-hose" (lines 10-14).
Date: October 7, 1902
Creator: Dolen, Felix P.
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Adjustable Pipe-Wrench.

Description: Patent for an adjustable pipe wrench "in which the opposing jaws of the wrench are maintained at an angle to each other, so hat they converge toward their extremities, thus enabling a firmer hold to e obtained upon the pope or other article to be gripped by said jaws." (Lines 15-20) Includes instructions and illustrations.
Date: July 20, 1897
Creator: Fauver, Addis E.
Item Type: Refine your search to only Patent

Improvement in Washing-Machines.

Description: Patent for the improvement of the structure of washing machines. The illustration and description show that an improved washing machine, formed by the combination of the open or ribbed roller F F and handles G g1 g2 with the box A B and perforated false bottom E.
Date: September 27, 1870
Creator: Harper, Elijah S.
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Piano.

Description: Patent for a new piano "in which the strings are vibrated through the medium of a bow, as in a violin, instead of being struck with hammers in accordance with the usual method" (lines 8-12), including illustrations.
Date: June 5, 1900
Creator: Holcombe, Edgar L.
Item Type: Refine your search to only Patent

Umbrella-Holder.

Description: Patent for a new and useful simplicity umbrella holder for "use on sulky-cultivators of that class in which the seat-support is constructed to form a crotch" (line 9-12).
Date: March 8, 1898
Creator: Holcombe, William H.
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Seed-Sowing Attachment for Plows.

Description: Patent for a seed-sowing attachment for plows which can "drop the seed in a furrow as it is made by the plow, and after it is covered by the formation of a successive furrow, and thereby complete the sowing or drilling process simultaneously with the plowing operation" (lines 14-19).
Date: June 19, 1894
Creator: Johnson, George W.
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Swingletree Clip

Description: Patent for providing an improved form of swingletree clip which is simple in construction, may be cheaply made and in which the eye which connects the hook to the clips swiveled so that the hook may rotate and thus there will be no change of disengagement between the draft connections and the swingletree.
Date: August 14, 1917
Creator: Leasman, John D.
Item Type: Refine your search to only Patent

Flue Scraper

Description: Patent for a new and improved boiler tube scraper which will allow for easier insertion and removal, including illustrations and instructions.
Date: April 8, 1913
Creator: Lorenz, William Adam
Item Type: Refine your search to only Patent

Wire-Tightener

Description: Patent for "a simple, inexpensive, and efficient device adapted to enable the slack of a wire to be readily taken up at a point between the posts and capable of enabling a wire to be readily stretched to the desired tension" (lines 12-17).
Date: May 14, 1901
Creator: May, Robert B.
Item Type: Refine your search to only Patent
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