UNT Libraries Government Documents Department - 382 Matching Results

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Improvement in Hot-Air, Steam, and Water-Gauge.

Description: Patent for improvements in hot air, harmonic steam, and water gauges: "In this invention several tubes pass through the boiler, some under and some above the water, through which currents of air are induced by the heat of the water or steam surrounding them" (lines 8-9).
Date: October 8, 1867
Creator: Walker, James C.

Improved Power-Apparatus for Vehicles

Description: Patent for "improvements to powered vehicles with combined rim-wheel(s) in combination with a truck(s), resting upon the inner and lower part of the rim, and supporting a carriage-body or frame, crank-shaft. with one or more pinions, and guide-rollers." (line 8)
Date: August 17, 1869
Creator: Dillaha, J. G.

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

Improvement in Adjustable Saddle-Trees.

Description: Patent for "improvements in saddle-trees; and the invention consists in constructing the forward ends of the trees with the hinged connection between its sides, to allow lateral adjustment of the sides to and from each other..." (lines 10-13) including instructions and illustrations.
Date: June 16, 1874
Creator: Heaton, George & Eckley, Charles

Improvement in Cotton-Planters.

Description: Patent for a cotton-planting machine which "consists in a distributing-drum, having seed-openings through it, and inclined distributing-agitators inside of it, said drum being applied to turn in a frame which is pivoted to the beam of a shovel-plow, whereby the roller will accommodate itself to inequalities of surface passed over, and uniformly discharge the seed in the drill-rows, after which a drag or coverer will cover up the seed." (Lines 18-26) Includes instructions and illustrations.
Date: October 13, 1874
Creator: Remsen, Byron & Russell, John E. S.

Improvement in Coffee-Pots

Description: Patent for the design of an improved coffee and tea pot with an internal water reservoir, dripping cup for coffee or tea, gauge for water level, and two separate valves for the hot water and resulting coffee or tea. Includes illustration of both a sectional and horizontal elevation of coffee-pot design.
Date: June 27, 1876
Creator: Sherwood, Willis H.

Improvement in Door-Checks.

Description: Patent for "a device for holding the doors in open position, which is readily applied to the door and worked without noise or jamming; and the invention consists of a holder or knob, with recessed front end, attached to the base-board, and of a counter-sunk door plate or case provided with a rubber block, that binds on the recessed part of the holder to retain the door in open position." (Lines 10-18) Includes instructions and illustrations.
Date: July 17, 1877
Creator: Francis, John