UNT Libraries Government Documents Department - 11 Matching Results

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Improvement in Ditching-Machines.

Description: Patent for an improved ditching machine design that will "easily and rapidly cut or excavate, on the surface of the ground, soil, clay, or soft stone, a ditch or trench of any reasonable width or depth suitable" (lines 33-37) including instructions and illustrations.
Date: January 1, 1878
Creator: Austin, Matthew J.
Item Type: Refine your search to only Patent

Saw Gage and Filing Clamp

Description: Patent for a combined saw gage and clamp which can be "applied to a saw blade to gage the depth of the cut as well as reversed and used as a clamp for the saw blade in setting the teeth" (lines 16-18).
Date: April 1, 1913
Creator: Curby, George W.
Item Type: Refine your search to only Patent

Envelop.

Description: Patent for an envelope "whereby the cutting device acts as a partial ejector for the letter" (lines 12-13), including illustrations and instructions.
Date: December 1, 1914
Creator: Donaldson, James Macon
Item Type: Refine your search to only Patent

Washing Apparatus.

Description: Patent for a "new and useful Washing Apparatus" (lines 6-7) that decreases the cost and increases the efficiency of current washing machines by automatically circulating hot water and steam through the clothes.
Date: December 1, 1903
Creator: Huffman, Wiliam Anthony & Huffman, Oscar Moses
Item Type: Refine your search to only Patent

Car-Coupling.

Description: Patent for a pin-and-link car-coupling that allows "cars to be readily coupled and uncoupled without going between them, and by which a link may be readily guided into the mouth of a draw-head without necessitating a person going between the cars" (lines 11-16). It also has a durable link lifting or guiding device.
Date: September 1, 1896
Creator: Orr, Thomas J.
Item Type: Refine your search to only Patent

Improvement in Rein-Holders.

Description: Patent for "improvement in a class of rein-holding devices consisting each of a pivoted, vertically-swinging cam or locking-jaw and a frame...for attachment to the dashboard of a carriage or other vehicle." (lines 7-12) including instructions and illustrations.
Date: September 1, 1874
Creator: Royse, John
Item Type: Refine your search to only Patent

Gate.

Description: Patent for a new and improved gate. This design consists in "[t]he combination, with the gate having a cross-bar, and mechanism . . . for operating the cross-bar and moving it vertically, the weighted levers, and the standards supporting the levers, of the latch-levers pivoted between their ends to the weighted levers and having their front ends engaged by the cross-bar, and the stops for engaging the rear ends of the latch-levers and holding the gate closed" (lines 15-24).
Date: November 1, 1887
Creator: Terry, Hiram
Item Type: Refine your search to only Patent

Improvement in Cotton-Presses.

Description: Patent for "improvements in cotton-presses, it's object being to produce a compact and efficient apparatus, adapted to be secure in the floor between the first and second stories of a building, in such a manner that the press-box can be filled and the cotton made up into bales in the upper story, while the pressing operation is effected from below." (Lines 7-15) Includes instructions and illustrations.
Date: January 1, 1878
Creator: Thompson, Robert C. & Thompson, Joseph N.
Item Type: Refine your search to only Patent

Automatic Trip Gear for Power Presses.

Description: Patent for a new and improved trip-gear for power-presses. This design "consists in providing the lever connected with an ordinary reversible gearing with a cord and weight, so that when in its normal position and not in use the small friction-wheel will not come in contact with either face of the large friction wheel. The upper end of the press is provided with a notched metallic plate connected with the reversing-lever, so that when the follow-block in its upward passage passes the said plate… more
Date: December 1, 1885
Creator: Wilson, Martin M.
Item Type: Refine your search to only Patent
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