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Improvement in Earth Scrapers

Description: Patent for improved earth scrapers, the class of which are " mounted on Wheel and provided with slatted carriers" (pg 1). This earth scraper has a novel system that allows the machine to be turned around and still used where other machines cannot do so (pg 1).
Date: August 27, 1872
Creator: Smith, Amroy B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Car-Brakes.

Description: Patent for "car-brakes that work automatically and without manual intervention as soon as the locomotive is stopped." (Lines 12-14) Includes instructions and illustrations.
Date: June 1, 1875
Creator: Kirtley, Fielding L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Seed Planters

Description: Patent for "improvement in Seed Planters as herein described and pointed out in the claim..."(paragraph 4 contains instructions and references to the illustration Fig 1 and Fig 2 as well as these illustrations labeled parts)
Date: February 25, 1873
Creator: Friday, Reuben
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Washing-Machines.

Description: Patent for "washing-machines known as self-regulating machines; and consists in the arrangement for controlling at will the amount of pressure to be used, in combination with the construction of the feed and washing rollers." (Lines 11-15) Includes instructions and illustrations.
Date: July 1, 1873
Creator: Rowland, William M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Brick-Presses.

Description: Patent for a "new and useful improvement in brick-presses by which bricks may be quickly and cheaply pressed by hand power from clay taken direct from bank or mixer" ( Lines 1-3 )including instructions and illustration.
Date: May 14, 1878
Creator: Moore, Andrew A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Metallic Window-Blinds.

Description: Patent for "a blind which acts both as a barrier to the progress of flames attacking windows and as a convenient shutter for the common purposes, and is adapted to be adjusted and securely locked in an open or closed position." (Lines 21-26) Includes instructions and illustrations.
Date: August 10, 1875
Creator: Mackrell, William S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Car-Brakes.

Description: Patent for "a means for the automatic application of brakes to the cars of a railway-train; and it consists in a loosely-moving draw-bar attached to the car by means of bolts passing through a central longitudinal slot, and having its sides wrought into two rack-bars, which mesh with pinions upon two windlass-shafts; which arrangement, when the locomotive is "slowed," causes the impact of the cars to drive up the draw-bars and wind up cords upon the windlass-shafts, which communicated with and … more
Date: June 1, 1875
Creator: Kirtley, Fielding L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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