UNT Libraries Government Documents Department - 111 Matching Results

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Improvement in Processes of Reducing Asphaltum to a Liquid.

Description: Patent for a process to "reduce asphaltum to a liquid, and hold the same in a semi-fluid condition without heat, and which constitutes an entirely new article of commerce, and furnishes to the trade an article of asphaltum prepared and ready for use, without the labor, expense, and delay of melting, for paving and roofing purposes, and one most admirably adapted for use by manufacturers of varnish and japan." (Lines 8-16) Includes instructions and illustrations.
Date: April 20, 1875
Creator: Lee, Archibald K.
Item Type: Refine your search to only Patent

Improvement in Rattoon-Cutting Machines.

Description: Patent for a rattoon-cutting machine which is created to "rapidly pull up and cut into short lengths the stubbles and roots of sugar cane (styled "rattoon") which are left upon the ground after the crop has been gathered" (lines 5-9), includes illustrations.
Date: March 25, 1875
Creator: Angers, John
Item Type: Refine your search to only Patent

Improvement in Rotary Dredgers.

Description: Patent for an improved rotary dredging-machine operated by adjustment from the engine through gearing enabling the manipulation of "a heavier wheel than would otherwise be practicable" (lines 71-72) with illustrations.
Date: December 21, 1875
Creator: Hawley, Abel
Item Type: Refine your search to only Patent

Improvement in Scale-Beams.

Description: Patent for "the movable weight used on scale-beams; and it consists in the construction and arrangement of the weight to slip over the scale-beam, and with a roller, upon which the weight rests or is suspended, in combination with a locking device." (Lines 12-17) Includes instructions and illustrations.
Date: June 29, 1875
Creator: Robinson, William T.
Item Type: Refine your search to only Patent

Improvement in Sewing-Machine Thread-Guards.

Description: Patent for "a guard attachment to the Wheeler & Wilson sewing-machine for preventing the thread from being thrown off the tension by the work, and for preventing the thread from running off the spool onto the spindle." (Lines 6-11) Includes instructions and illustrations.
Date: December 21, 1875
Creator: Roosevelt, Lillian
Item Type: Refine your search to only Patent

Improvement in Smoothing and Fluting Irons.

Description: Patent for improvement in smoothing and fluting irons, which combines a sad-iron smoothing-plate and mechanical fluting iron in one device which includes a heat shield and rollers through which fabric is advanced. The rollers are mechanized via a latch and rack-wheel that are actuated by moving the handle of the device up and down.
Date: June 1, 1875
Creator: Mayfield, William Dudley
Item Type: Refine your search to only Patent

Improvement in Spectacle-Frames.

Description: Patent for "spectacle-frames in which the bows are turned into a coil near the points where they are connected to the lens-hoops for the purpose of forming spring-joints, instead of the ordinary pivot-joints." (Lines 6-10) Includes instructions and illustrations.
Date: November 30, 1875
Creator: Stewart, John W.
Item Type: Refine your search to only Patent

Improvement in Speed-Measures.

Description: Patent for a "means for indicating the degree of speed with which an engine or train of cars is passing over a rail-road, and for enabling an engineer to regulate the speed of his engine to conform to the 'time' enjoined by his table, so that he will run at an even degree of speed, and be required neither to 'slow down' to save his schedule nor quicken the pace of his engine to make up lost time." (Lines 15-23) Includes instructions and illustrations.
Date: June 22, 1875
Creator: Minton, Stephen F.
Item Type: Refine your search to only Patent

Improvement in Tire-Tighteners.

Description: Patent for a device "for the purpose of tightening or loosening tires on wheels belonging to any kind of vehicles without shrinking or cutting the tires." (Lines 6-9) Includes instructions and illustrations.
Date: July 27, 1875
Creator: Horton, Henry A. R. & Hayes, Amos P.
Item Type: Refine your search to only Patent

Improvement in Vegetable-Cutters.

Description: Patent for "vegetable-cutters adapted to cut a number of slices by a single stroke, in which a series of knives, arranged in two converging tiers, are used in conjunction with a centrally-disposed block for supporting the article to be sliced." (Lines 7-12) Includes instructions and illustrations.
Date: May 25, 1875
Creator: Goolsbee, John N.
Item Type: Refine your search to only Patent

Improvement in Ventilators.

Description: Patent for improvement in ventilators which combines a bell-mouthed vane with white induction and black eduction pipes for the purpose of introducing fresh air and eliminating foul air from an enclosed area.
Date: December 21, 1875
Creator: Moyer, Alexander L.
Item Type: Refine your search to only Patent
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