UNT Libraries Government Documents Department - 29 Matching Results

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Agricultural Implement.

Description: Patent for a new and improved sweep. This design consists "in a sweep of a suitable shape and construction having attached to each of its rear corners a vertical bar or wings, which extends parallel to the course of the plow and backward a suitable distance beyond the sweep proper . . . The object of [the] invention is to attach to the rear corners or wings of a sweep bars or runners, which rest upon the ground and steady the sweep and prevent it from wabbling or dodging while in use" (lines 14… more
Date: March 4, 1890
Creator: Cameron, Hugh L.

Apparatus for the Manufacture of Ice.

Description: Patent for a new and improved ice maker. This design calls for "two or more sheets of galvanized iron or other metal set in a tank of fresh water, one on either side of the evaporation-pipes, and held in a position parallel to each other by anchors or yokes that connect them" (lines 15-20). This eliminates the need for strong (ammoniacal) brine and is a faster, more reliable, and less leaky ice-making process than previous ones that used said brine.
Date: March 2, 1880
Creator: Zilker, Andrew J.

Centrifugal Separator.

Description: Patent for a centrifuge that can effectively and efficiently separate heavy oils from acids "with which the oil has been mixed or emulsified as a clarifying or decolorizing agent" (lines 14-16), with illustrations.
Date: March 14, 1922
Creator: Paul, Christian F., Jr.

Combined Minnow Bucket and Trap.

Description: Patent for a combined minnow bucket and trap that overcomes past disadvantages, is simple in constructions, inexpensive to manufacture and reliable.
Date: March 27, 1906
Creator: Petmecky, Fred

Cotton Chopper

Description: Patent for a cotton chopper. This invention is designed to be adjustable horizontally to operate on crooked rows. Illustrations included.
Date: March 28, 1911
Creator: Burton, George W.; Warwick, Vesper V. & Patton, Deacon O.

Cotton Chopper

Description: Patent for a cotton chopper. Illustration included.
Date: March 7, 1911
Creator: Carlson, Peet

Device for Slitting Sweet Corn.

Description: Patent for a corn slitting device for cutting the corn kernels away from the husks on the cob.
Date: March 10, 1908
Creator: Bahn, Gustavus A.

Display-Cabinet

Description: Patent for a display cabinet. Illustrations are included.
Date: March 22, 1911
Creator: Douglass, John A.

Drafting Machine

Description: Patent for a machine designed for constructing or drafting geometric figures, including illustrations.
Date: March 21, 1916
Creator: Kreisle, Edwin Clinton & Hawkins, Lyndsay Dickason

Drier Rack

Description: Patent for a drier rack on rail-cars to for drying bricks. Illustration included.
Date: March 15, 1904
Creator: Zilker, Andrew J.; Tidmarsh, Albert L. & Armstrong, Charles J.

Fish-Hook.

Description: Patent for a fish hook with two hooks twisted together, which come apart when a fish pulls on the hook that is reliable in its action.
Date: March 9, 1909
Creator: Willis, Charles Marshall

Generating Oil-Burner.

Description: Patent for improvements in “generating oil-burners” by connecting a combination of tubes, pipes and casings to direct and regulate the oil flows to the burner. It can also control the amount of steam to be discharged to properly effect the burning of the oil. Illustration is included.
Date: March 3, 1903
Creator: Spiller, Philip Samuel

Harness and Saddle.

Description: Patent for a saddle and harness in which "several parts are united in a secure but detachable manner and which possesses certain other advantages" (lines 27-31).
Date: March 2, 1897
Creator: Vogtsberger, Emil

Heating or Cooking Stove

Description: Patent for a heating or cooking stove.
Date: March 3, 1903
Creator: Spiller, Phillip Samuel & Haldeman, Horace P.

Improvement in Hat-Ventilators.

Description: Patent for improvement in mode of ventilating hats, bonnets, and or caps by “providing the inside of the head-coverings, at the point of contact with the head, with a liuing or an elastic spiral formed into a cushion, through which the air can freely circulate around the whole head.” (Lines 28-32) Illustration is included.
Date: March 30, 1869
Creator: Stremme, Conrad C.

Improvement in Paper Boxes.

Description: Patent for improved techniques in folding paper boxes using a single piece of paper in which the bottom part is safely secured. Illustration is included.
Date: March 7, 1876
Creator: Kuehne, Franz

Improvement in Vitreography.

Description: Patent for an invention that is similar to an adhesive, which aids in the ornamentation of windows. The patent includes a description, instructions, but no illustration(s).
Date: March 26, 1867
Creator: Stremme, C. C.

Locomotive Head-Light

Description: Patent for improvements to locomotive headlights granted to John Robert McCormick in order to make the headlights movable by levers or gears.
Date: March 31, 1885
Creator: McCormick, John Robert

Manual-Training Apparatus.

Description: Patent for a new improvement in a manual training apparatus for teaching swimming without water. The device allows the exerciser to lie face down on the provided mat and turn cranks to simulate swimming motions.
Date: March 21, 1916
Creator: Hartnett, William J.

Millstone-Dress.

Description: Patent for an improved millstone-dress that produce less heat while grinding by employing a greater number of furrows, including illustration.
Date: March 20, 1860
Creator: Littlepage, C. V.

Nut and Washer for Vehicle Axles.

Description: Patent for a new and improved nut and washer combination. This design consists, "with a threaded end on an axle-spindle, which is longitudinally grooved on opposite sides of the thread, and a radially-flanged nut made to engage the threaded-end of the spindle, of a cap-ring having an annular recess formed on one side from its inner edge outwardly, said ring being secured upon the radial flange of the nut, and a cylindrical outer shell having an inwardly-extended flange on one end, and ears on t… more
Date: March 11, 1890
Creator: Sullivan, Jonathan L.

Portable Fan and Operating Machinery for Same.

Description: Patent for a new and improved fan. This design "is fluted or corrugated . . . its lines of corrugation radiating from a common point. By this peculiar formation [it is] enabled to concentrate the surrounding air during its movement, and direct and carry it in a body back and forth . . . [and a] heavy bead or bar follows the zigzag or corrugated outline of the bottom of the fan, and serves as a weight to keep it tending downward toward a position of rest. . . . The frame carrying the fan is supp… more
Date: March 16, 1886
Creator: McComas, Arthur William & Fitzhugh, Henry A.

Safety Stop for Elevators.

Description: Patent for a new and improved safety stop for elevators. This design "consists in a lever pivoted to the bottom of the car, and provided with a spring for throwing it into position transversely to the car-bottom, so that the ends of the lever can catch on horizontal bars secured to the sides of the elevator-shaft. A rope or cable is secured to one end of the lever and to the car-elevating cable, and keeps the spring taut, and prevents it from throwing the lever unless the elevating-cable breaks… more
Date: March 25, 1884
Creator: Saunders, Ellison

Seed - Conveyer.

Description: Patent for a new and useful seed conveyer, including instructions and illustrations.
Date: March 6, 1900
Creator: Johnson, Thomas E.
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