UNT Libraries Government Documents Department - 40 Matching Results

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Improvement in Door-Securers.

Description: Patent for a new and improved safety-locks for doors which consists of only three parts: a screw with sharp points, a nut, and a guard pivoted to the nut. It includes illustrations.
Date: January 21, 1879
Creator: Hine, Miller J.

Bee Hive.

Description: Patent for improvements to "that class of bee-hives or bee-houses having a series of compartments..." (lines 15-17) with instructions and illustrations.
Date: May 21, 1878
Creator: Walton, George Slaughter

Improvement in Well-Augers.

Description: Patent for an improved well-auger, includes instruction and illustration.
Date: May 21, 1878
Creator: Glass, James T.

Improvements in Escapements for Time-Pieces

Description: Patent for inprovements in escapements for time-pieces involving levers and duplex escapements as a way of improving force and regularity in time-pieces. Patent gives instructions and provides illustrations.
Date: October 21, 1879
Creator: Laughlin, Abner G.

Improvement in Stalk-Chopper

Description: Patent for an improvement in corn and cotton stalk-choppers, allowing for the stalks to be turned under by the plow and prevent their interference with the machine.
Date: May 21, 1872
Creator: Richards, Augustus

Improvement in Washing-Machines.

Description: Patent for the improvement of washing machines, using two washboards. It includes a description and illustrations.
Date: May 21, 1872
Creator: Harper, William F.

Improvement in Strap-Protector and Buckle

Description: Patent for improvements in strap-protector and buckle for harness in order for it to not become cracked or bent. Provides instructions and illustrations.
Date: October 21, 1879
Creator: Padgitt, Tom

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.

Improvement in Sulky Attachments for Plows.

Description: Patent for improvement in sulky attachments for plows. This invention allows farmers to "apply any kind of plow to the sulky-frame" (1).
Date: August 21, 1876
Creator: Langsford, Samuel P. & Stroud, Wiley N.

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

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

Improvement in folding tables.

Description: Patent for combination folding tables that fold into a convenient traveling-trunk.
Date: March 21, 1876
Creator: Arnold, James Edwin

Improvement in Earth-Boring Apparatus.

Description: Patent for improvement in well-boring machines in which it can be “rapidly bore through earth or rock holes of any desired size or depth, for the purpose of procuring water.” (P. 1, lines 9-12) Illustration is included.
Date: November 21, 1876
Creator: Yarborough, William H.

Improvement in Piles for Bulk-Heads and Other Structures.

Description: Patent for improvements in piles for bulkheads: "The object of the present invention being to provide a concrete-faced bulk-head composed of piles, each of which may be sunk in position by continuously forcing the sand from beneath the lower end of the pile" (lines 15-19), with illustrations.
Date: August 21, 1877
Creator: Parry, Morgan L.

Improvement in Soldering-Irons

Description: Patent for a new and improved soldering iron, which only gives off so much heat from one end and not the other. This patent of the soldering iron a safer tool to work with.
Date: March 21, 1877
Creator: Stevens, Hennell

Improvement in Ironing Apparatus.

Description: Reissue patent for an ironing machine that "consists in the construction and novel arrangement of the horizontally-moving iron and horizontally-reciprocating table..." (para. 2).
Date: September 21, 1875
Creator: Cottingham, Gideon W.

Improvement in Seed-Planters

Description: Patent for an improvement in seed-planters, which allows for adjusting to plant less or more seeds as desired.
Date: May 21, 1872
Creator: Richards, Augustus

Improvement in Nails.

Description: Patent for a nail with hexagonal form with two sides nearly flat and beveled edges.
Date: January 21, 1873
Creator: Hall, William N.

Improvement in Cultivators.

Description: Patent for an improvement in the design of corn and cotton cultivators, including illustrations.
Date: January 21, 1873
Creator: Sims, Zachariah B.
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