UNT Libraries Government Documents Department - 68 Matching Results

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Device for Sheltering Animals.

Description: Patent for a new and improved animal shelter. This design "relates to a device which may be adapted for use as a hen's nest, a dog-kennel, a stable for domestic animals, or for analogous purposes. The principle of construction prevalent in all these different adaptations for use of the device consists of certain improved means for automatically closing the door as the animal steps into a vertically-swinging compartment, and for automatically opening the door as the animal leaves said swinging c… more
Date: December 21, 1880
Creator: Austin, John Overton
Item Type: Refine your search to only Patent

Car-Coupling

Description: Patent for improvements to railroad car couplings granted to Conrad H. Carpenter. Improvements simplify the coupling construction and allow the cars to be couples automatically.
Date: December 27, 1892
Creator: Carpenter, Conrad H.
Item Type: Refine your search to only Patent

Wind-Motor.

Description: Patent for wind motors that has new and useful improvements," is simple and durable in its constructions, very effective and powerful in operation, transmits the force of a series of wind-wheels to a common shaft for driving pumps or other machines" (lines 11-16).
Date: December 16, 1902
Creator: Cochran, James M.
Item Type: Refine your search to only Patent

Envelop.

Description: Patent for an envelope "whereby the cutting device acts as a partial ejector for the letter" (lines 12-13), including illustrations and instructions.
Date: December 1, 1914
Creator: Donaldson, James Macon
Item Type: Refine your search to only Patent

Quilting Frame.

Description: Patent for a new and improved quilting frame for sewing machines. This design consists "[i]n a quilting frame, the combination, with suitable supporting standards having an inclined V-shaped track secured thereto, of a rail having rollers mounted upon the side thereof and traveling upon said track, depending brackets secured to the ends of said rail, transverse secured to the ends of said depending rods, and rollers having bearing in said transverse strips" (lines 3-11).
Date: December 9, 1884
Creator: German, Francis M.
Item Type: Refine your search to only Patent

Washing Apparatus.

Description: Patent for a "new and useful Washing Apparatus" (lines 6-7) that decreases the cost and increases the efficiency of current washing machines by automatically circulating hot water and steam through the clothes.
Date: December 1, 1903
Creator: Huffman, Wiliam Anthony & Huffman, Oscar Moses
Item Type: Refine your search to only Patent

Reed-Organ.

Description: Patent for "a removable attachment for a reed organ or harmonium, to be placed upon the wind chest either the tremble or bass end of the keyboard, or at both ends..." (lines 8-12) including illustrations and instructions.
Date: December 30, 1913
Creator: Rue, Oliver H.
Item Type: Refine your search to only Patent

Meat-Scale.

Description: Patent for a meat scale "designed for weighing large pieces of meat while the scale is also adjustable subsequent to determining the total weight of the meat" (lines 16-19) including illustrations.
Date: December 17, 1918
Creator: Stringer, Joe John
Item Type: Refine your search to only Patent
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