UNT Libraries Government Documents Department - 52 Matching Results

Search Results

Results: 1 - 24 next

Improvement in Apparatus for the Manufacture of Ice.

Description: Patent for a refrigeration apparatus "in which a continuous operation is maintained by means of a current of ether or other volatile fluid which liquefies at a low temperature." (Lines 18-21) Includes instructions and illustrations.
Date: November 28, 1871
Creator: Mühl, A.

Improvement in Bale-Ties.

Description: Patent for "a new buckle or tie for holding the ends of the bands of cotton-bales" (lines 18-19) including instructions and illustrations.
Date: December 19, 1871
Creator: Brown, Floyd G.

Improvement in Bedsteads.

Description: Patent for the improvement of bedsteads in order to make them more convenient and durable.
Date: August 8, 1871
Creator: Baldwin, Thomas B.

Improvement in Belt-Fasteners.

Description: Patent for new and useful improvements in Belt-Fasteners. Illustration is included.
Date: November 28, 1871
Creator: Olmsted, Marcellus

Improvement in Brooms.

Description: Patent for improvement in the manufacture of corn brooms.
Date: August 15, 1871
Creator: Anderson, Edward Americus

Improvement in Carriage-Axles.

Description: Patent for improvements to carriage axles which include the addition of a sleeve, bearing, and linch-pin device.
Date: June 13, 1871
Creator: Wagner, Ernest Friedrich

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.

Improvement in Cotton-Cleaners.

Description: Patent for improvements to cotton picking and cleaning before the cotton is ginned.
Date: July 4, 1871
Creator: Sims, Zachariah B.

Improvement in Cotton-Presses.

Description: Patent for a "new and improved cotton-press" (line 5) relating to "improvements in friction-clamping apparatus used on vertical bars or rods of presses for holding the follower and lever in working the follower in passing the bale" (lines 11-14) including instructions and an illustration.
Date: December 26, 1871
Creator: Simpson, Thomas D. & Lamkin, William S.

Improvement in Current-Wheels.

Description: Patent for improvements in current-wheels, consisting of an improved arrangement of feathering-buckets, the gate, and opening devices. It includes a description and illustration.
Date: June 6, 1871
Creator: Tuder, William

Improvement in Elevators.

Description: Patent for improvements in elevators, for lifting heavy objects. It includes a description and illustration.
Date: June 13, 1871
Creator: Bishop, Josiah

Improvement in Fire-Tongs

Description: Patent for a part to prevent the legs of fire-tongs from lapping or crossing each other.
Date: January 17, 1871
Creator: George, Alfred M.

Improvement in Fluting Sad-Irons.

Description: Patent for "a new combination of fluting and sad-iron, of such kind that the upper fluting-roller will serve as handle for the sad-iron, there being thus no loose or separate parts required for the two functions." (Lines 17-21) Includes instructions and illustrations.
Date: November 14, 1871
Creator: Franklin, Edward A.

Improvement in Gas-Furnaces and Forges.

Description: Patent for "an apparatus in which the gases from one or more forges, instead of passing off unconsumed into the atmosphere, enter a furnace and are burnt therein, thereby furnishing heat for the generation of steam in a boiler connected with said furnace, which steam is used to drive a fan that impels a blast into each forge, and is also used to propel an engine that operates a hammer, the exhaust from the engine being conducted to the tuyeres of the forges through pipes in which are placed red… more
Date: November 7, 1871
Creator: Morris, Joseph R.
Back to Top of Screen