UNT Libraries Government Documents Department - 613 Matching Results

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Portable Oven.

Description: Patent for outdoor use of the Dutch oven and skillet converting the cover of the Dutch oven as a way to suspend frying pan or gridiron over coals to heat, including illustration.
Date: July 12, 1859
Creator: Morrel, Z. N.
Item Type: Refine your search to only Patent

Cotton-Cleaner.

Description: Patent for a machine that uses revolving brush cylinders, stationary brushes, and stripping boards to prepare cotton for ginning, including illustration.
Date: March 12, 1861
Creator: Eastham, A. S.
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Improvement in Combination Locks.

Description: Patent for improved combination locks, with a bolt that is locked or unlocked by the combination of spindles and pivoted buttons. The invention combines the spindles in to an "annular ring having letters or numbers and a series of different shaped pegs or combinations of letters or figures or both jointly" (pg 1).
Date: September 12, 1871
Creator: Hall, William N.
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Improvement in Ice-Machines.

Description: Patent for improvements to the construction of "of the various parts of the [ice machine], whereby the reconversion of the ether into liquid before it reaches the freezing-vessel or chamber is better assured" (para. 3).
Date: December 12, 1871
Creator: Mühl, Andrew
Item Type: Refine your search to only Patent

Improved Baling-Press.

Description: Patent for improvements in portable press by dividing the pressing-chamber into two parts, one of which is fixed to the wagon-frame, the other part is movable. “The movable part contains the follower, adapted to be titled with it, and operated by the winding-drum, cords, wheel and the wings, working in the horizontal slots in the sides of these parts.” (Lines 81-85) Illustration is included.
Date: January 12, 1869
Creator: Berkeley, J.
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Improvement in Standards for Vehicles.

Description: Patent for "a stanchion pivoted in a strong metal box adapted to be fastened to the side of the platform of the car or truck, the box being open at the top and at one end, so that the stanchion can be turned down on its pivot by the side of the platform, to be out of the way of loading the car or truck platform with goods which cannot be conveniently loaded when the stanchions are upright." (Lines 6-14) Includes instructions and illustrations.
Date: May 12, 1874
Creator: Martin, James J.
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Improvement in Toy Trumpets.

Description: Patent for improvements in toy trumpets in which in addition to making sound, the movement of air through the instrument also causes a disk on top of the instrument to revolve by the force of the air on paddles that form the bottom of the disk. The top of the disk will have decorative figures such as soldiers.
Date: September 12, 1876
Creator: Sterzing, Fred.
Item Type: Refine your search to only Patent

Improvement in Bee-hives

Description: Patent for an improvement of a bee-hive enabling inspection of bees, protection of bees from moths, ventilation of the hive, and removal of honey without disturbing the brood-chamber.
Date: September 12, 1876
Creator: Hayden, Noah Dunken & Clapp, Amasa O.
Item Type: Refine your search to only Patent

Improvement in Bale-Band Stretchers

Description: Patent for improvement of bale-band stretcher design "for the purpose of taking out the slack of the band that cannot be taken out by hand." (lines 18-20). Included illustration shows bale-stretcher in both open and closed positions.
Date: December 12, 1876
Creator: Pearre, Charles M.
Item Type: Refine your search to only Patent

Improvement in Horse-Powers.

Description: Patent for a "means for driving cotton-gins and other light machinery by animal power; and it relates to that form of animal-power apparatus termed the vertical tread-wheel." (Lines 6-10) Includes instructions and illustrations.
Date: May 12, 1874
Creator: Powell, James M.
Item Type: Refine your search to only Patent
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