UNT Libraries Government Documents Department - 671 Matching Results

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Improvement in Scew-Propellers.

Description: Patent for "means for guiding pivoted propeller-blades so that they can open and close readily and uniformly. It also consists in a new mode of applying a spring there-to so that the obliquity or resistance of the blades will be automatically graduated." (Lines 6-11) Includes instructions and illustrations.
Date: February 18, 1873
Creator: Wilson, Martin M.

Improvement in Motors.

Description: Patent for power-operated motors used "for operating churns" (lines 13-14), with the option of using spring-power, including a detailed explanation and description of the illustration.
Date: February 19, 1878
Creator: Cummings, James K.

Mechanical Movement.

Description: Patent for a mechanical movement for ratchet feeding mechanisms " in which movement is imparted from a rocking lever to a ratchet wheel through the medium of a plurality of pawls that are so connected to the lever as to operate on the ratchet wheel during movement of the levers in both directions"(lines 10-16).
Date: March 16, 1909
Creator: Oswald, William S.

Trawl-Line.

Description: Patent for a trawl-line that is supported so that it "can be caused to travel continuously in the same or reversed directions at will" (lines 12-14). The invention prevents "the choking of the line supporting pulleys with grasses and other foreign matter, and also to enable the ready adjustment of the pulley son the posts to change the elevation of the trawl-line and the depth of dip of the hooks in the water" (lines 16-21).
Date: July 24, 1894
Creator: White, Warren Thomas

Improvement in Plows.

Description: Patent for "a plow which will effect a clean severance of the sod on the land side when operating in heavy, tenacious soil, and which will prevent the accumulation of rubbish against the edge of the mold-board or standard." (Lines 6-11) Includes instructions and illustrations.
Date: July 17, 1877
Creator: Wood, John W.

Stalk Cutter.

Description: Patent for a new and improved stalk cutter. This design "consists in the construction and combination of parts . . . [of] that class of machines for cutting cotton and other stalks, consisting, essentially, of parallel runners or beams carrying outwardly-projecting knives, which serve to cut the stalks as the machine is drawn over the ground" (lines 15-22).
Date: November 29, 1881
Creator: Bolliver, William S.

Stalk Cutter.

Description: Patent for a new and improved stalk cutter. This design "consists in the combination of a suitable frame, which is drawn along by two horses, so as to straddle a row of plants, a diagonal guide for guiding the plants, a guiding finger or piece for guiding the plants toward the knife, and a rake for raking the plants in piles or heaps as fast as they are cut" (lines 13-19).
Date: July 3, 1883
Creator: Early, Louis Simeon & Early, Matthias John Bourland

Cultivator.

Description: Patent for an improved cultivator that could be adjusted to have the proper angle for removing or throwing the dirt to and from plants.
Date: unknown
Creator: Kelley, Lawrence E.

Step-By-Step Elevator.

Description: Patent for an invention relates to a new and useful step-by-step elevator. Its object is broadly stated to provide means for ascending or descending from one of a building to another.
Date: October 27, 1914
Creator: Barrett, Eli B.

Subsoiler.

Description: Patent for improvements to subsoilers "to provide a subsoiler which has a plurality of pivoted points which will merely loosen the under soil so that same may retain a large amount of moisture, and will not turn the under soil over" (lines 10-15).
Date: March 24, 1914
Creator: Aydlott, James M.

Measuring Instrument.

Description: Patent for caliper style measuring instrument which may be used as a micrometer. This measuring instrument features legs that may be used for measuring the inside or outside dimensions of an object.
Date: October 23, 1917
Creator: Taylor, Albert J.

Millstone Dress.

Description: Patent for a new and improved millstone-dress. This design is "to provide a millstone-dress having angular furrows intersecting the main furrows of the stone and of gradually increasing depth from their outward extremities to the point where they intersect the main furrows, said angular furrows being oppositely inclined upon the upper and lower stones to form a perfect cutting system, to discharge the grain over the face of the stone and throw it toward the skirt or edge thereof, thereby giving… more
Date: June 24, 1890
Creator: Snodgrass, George M.

Marker Attachment for Plows.

Description: Patent for an “improved device to be used upon plows, and the objects are to provide means whereby the succeeding row to be plowed may be marked, thereby giving a uniform plowing to the field; furthermore, to provide for an adjustment of the marker, whereby the distance between the rows may be adjusted.” (Lines 8-15) Includes illustration.
Date: August 11, 1891
Creator: Marley, James D.

Improvement in Horse-Power Presses.

Description: Patent for improved horse-powered press; it "relates to horse or other power presses for cotton, hay, and other compressible materials; and the nature of my invention consists in a reversible stay-brace; in a series of sliding plates, which fill the space between the main standards; in an arm hung to each one of the side doors, regulating the opening of such doors; and in auxiliary devices" (para. 3).
Date: July 25, 1876
Creator: Sims, Zachariah B.
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