UNT Libraries Government Documents Department - 123 Matching Results

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Board Roofing.

Description: Patent for a new design of roofing board. The wooden boards are designed to "contract and expand with changes of temperature" (para. 3) and to allow rain to run off without seeping into the joints of the boards.
Date: December 19, 1876
Creator: Zimmerman, Arnold W.
Item Type: Refine your search to only Patent

Improvement in Ventilators.

Description: Patent for improvement in ventilators which combines a bell-mouthed vane with white induction and black eduction pipes for the purpose of introducing fresh air and eliminating foul air from an enclosed area.
Date: December 21, 1875
Creator: Moyer, Alexander L.
Item Type: Refine your search to only Patent

Improvement in Bee-Hives

Description: Patent for an improved design for bee-hives with the sloped V shaped interior designed to aid in warmth for the hive and reducing debris entering the comb. Illustrations included show several cross-sections of the hive construction.
Date: December 12, 1876
Creator: Snider, George W.
Item Type: Refine your search to only Patent

Baling Press.

Description: Patent for a new and improved baling press. This design consists in "a box having its upper end open and having an outwardly-opening door at the lower portion of one side, a plunger in the box having a post provided with a braced cross-piece near the upper end, ropes secured to the ends of the cross-piece, a drum under the lower end of the box, having a helical pulley at one end and a small drum at the other end, and having the ropes secured to it and winding upon it, a rope passing over guide-… more
Date: December 13, 1887
Creator: Weddle, Henry
Item Type: Refine your search to only Patent

Apparatus for Raising and Lowering Wagon Bodies.

Description: Patent for a new and improved wagon jack. This design consists "[i]n a wagon body raiser, the combination of vertical supports, a lever pivotally supported therefrom between its ends and having a roller in one end, a shaft adapted to be secured to one end of the body, a cord having one end connected with the same end of the body as the shaft and passing over the roller and its opposite end attached to the shaft, and a cord attached to the opposite end of the body and to the adjacent end of the … more
Date: December 9, 1890
Creator: Scott, Eugene Edward
Item Type: Refine your search to only Patent

Wagon-Body

Description: Patent for "new and useful improvements in wagon-bodies, having for its object simplicity and durability," (lines 10-12) including illustrations.
Date: December 27, 1887
Creator: Folsome, Charles F.
Item Type: Refine your search to only Patent

Main Slide-Valve and Throttle-Valve for Steam-Engines.

Description: Patent for a simple main slide-valve and throttle-valve for steam-engines. The throttle valve is a flat plat and slides in a channel between the valve seat and the cylinder head. The twin engine cylinders are horizontally placed at the same height as the throttle valve. The main slide valve "affords a complete and superior valve mechanism for a quick speed steam engine" (lines 29-30).
Date: December 4, 1894
Creator: Devoissaud, John P.
Item Type: Refine your search to only Patent

Stock-Car

Description: Patent for an improvement on stock cars to "enable the weight of the water-laden troughs to be overcome and the troughs elevated in position simultaneously through the entire length of the car; second, to regulate the movement of the water-troughs" (lines 16-20).
Date: December 23, 1890
Creator: Lazarus, Samuel
Item Type: Refine your search to only Patent

Nut-Lock.

Description: Patent for a simple, inexpensive, and effective nut-lock that can be easily installed and locks the nuts on rail joints into place and can be easily removed.
Date: December 12, 1893
Creator: Doane, Stephen Olin
Item Type: Refine your search to only Patent

Hand Sawing Machine.

Description: Patent for a new and improved hand sawing-machine. This design "relates to improvements in hand sawing-machines in which a vertically-movable frame-work supporting the driving mechanism operates in conjunction with a horizontally-reciprocating cross-head for carrying the saw; and the object of [the] improvements is to provide a portable hand-power machine for the rapid cutting of stove-wood, and for other light sawing" (lines 8-16).
Date: December 5, 1882
Creator: York, Martin V.
Item Type: Refine your search to only Patent

Gate.

Description: Patent for a new and improved gate. This design "relates to improvements in gates that are balanced by a weight and opened in either direction by ropes operating in conjunction with circular inclined tracks and rollers; and the object of [the] improvement is to provide a gate that may be readily opened and closed by a person seated in a vehicle" (lines 7-14).
Date: December 30, 1884
Creator: Drake, Edwin L.
Item Type: Refine your search to only Patent

Fire Kindler.

Description: Patent for a new fire-kindler which lists the composition of ingredients. Patent for "a new and improved fire-kindler can containing the composition" (lines 15-16) including instructions and illustrations. Patent for a new fire-kindler design, including illustrations.
Date: December 20, 1892
Creator: Rogers, Silas M. N.
Item Type: Refine your search to only Patent

Car-Brake.

Description: Patent for improvements in car brakes, "wherein the ordinary brake-beams are dispensed with and wherein the several brake-shoe-carrying levers will be self-adjusting." (lines 8 - 11) Includes instructions and illustrations.
Date: December 8, 1891
Creator: Braun, Henry F.
Item Type: Refine your search to only Patent

Elastic Chain

Description: Patent for this invention is to provide a chain which yield longitudinally when subjected to a tensile strain and to this end arrangement of parts, as will be herein after described and claimed. [5-10]
Date: December 3, 1889
Creator: Redwood, Charles
Item Type: Refine your search to only Patent

Device for Holding Paper over Cakes in Ovens.

Description: Patent for a new and improved paper-holder for cake baking. With this design, "[a] cake is placed in the oven, the holder placed in position over it, the hoop or frame raised, and a paper placed upon [another] hoop. The [first] hoop is then pressed down upon it, when the cake may be baked without the top being scorched" (lines 40-45).
Date: December 3, 1889
Creator: Balfour, Emma
Item Type: Refine your search to only Patent

Curtain Fixture.

Description: Patent for a new and improved curtain fixture. This design "consist[s] of the brackets secured to the window-frame, and a frame consisting of a single continuous integral U-shaped bar having its arms bent outward from its shoulders . . . and having the end of one of its arms pivoted to the adjacent bracket and the end of the other arm bent laterally and journaled in the other bracket, the curtain-roller being journaled in and extending between the arms" (lines 60-69).
Date: December 24, 1889
Creator: Bomar, Mattie A.
Item Type: Refine your search to only Patent
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