UNT Libraries Government Documents Department - 13,660 Matching Results

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Antifreezing Valve and Closet-Cistern

Description: Patent for "valves which will allow all the water to flow out of the popes to a position below freezing-point after each application of water, whether the water is used in a closet-cistern or drawn out of a hudrant or other application is made, and to arrange the valves so that the supply-valves will be automatically closed by water-pressure in connection with the operation of a siphon in a closet-cistern and the waste-valve will be closed by the pressure of water, siphonic action, or both, when the supply-valves are opened." (lines 18-28).
Date: April 23, 1901
Creator: Wilkes, George W.

Antifriction Clasp.

Description: Patent for a new and improved anti-friction clasp. This design "is to provide means whereby the wear due to the rubbing of inclosed rods or ropes against an inclosing casing may be reduced to a minimum and whereby the central alignment of the rods or ropes with respect to the inclosing casing may be accurately preserved" (lines 11-17). It consists in "a series of friction balls or rollers mounted therein and projecting from the periphery thereof and being divided into sections adapted to be clamped at any point around the rod or rope" (lines 97-101).
Date: October 25, 1892
Creator: Black, William L.

Antifriction device for sucker rods.

Description: Patent for "an improved antifriction device for use in connection with inclosed traveling rods and the like to reduce the wear occasioned by the rubbing of the rod in its casing, and at the same time to so far reduce the area of said antifriction device which projects from the rod as to interpose the least possible obstruction to the free passage of material in the casing."
Date: November 4, 1902
Creator: Black, William Leslie

Antifriction Device For Sucker Rods Or The Like

Description: Patent for an antifriction-roller (part of a pumping mechanism) with a mounting that can be manufactured at a low cost, "quickly and readily applied to a rod at any point....and prevent it from bending...and, furthermore, interpose a minimum obstruction to the flow of the liquid in the casing" (lines 17-25)
Date: March 25, 1902
Creator: Black, William L.

Antirefilling Bottle.

Description: Patent for a bottle that can be easily sealed but cannot be resealed after opened. There is a groove in the neck of the bottle, and the cork is placed below the groove. The cork is hollowed out and a plug is placed in the cork. The cork is hollowed out and a plug with a groove around it is placed in the cork.An elastic compressible locking-ring fits in the gap the groove in the bottle and the groove in the plug create.
Date: January 5, 1897
Creator: Nevill, William B.

Aparejo

Description: Patent for more efficient and durable pack-saddle (aparejo) used by United States Army. Casing involves hollow boot-sticks and rubber-encased steel, with better fitting to prevent fatigue of animal.
Date: February 11, 1902
Creator: Keller, John & Titsworth, Richard

Apparatus for Baling Cotton.

Description: Patent for a cotton baling machine in which, it would provide a mechanism for baling the fiber in packages, for the ease of transporting and handling; and to prevent the loss of cotton or fiber in transporting from the gin to the baling-press. Illustration is included.
Date: February 24, 1891
Creator: Rembert, Henry

Apparatus for Barreling Soap-Stock.

Description: Patent for "an apparatus for filling barrels with soap-stock or other thick liquid of similar consistency, the object being to provide a machine whereby the barrels may be filled quickly through the bung-hole." (Lines 12-16) Includes instructions and illustrations.
Date: February 9, 1897
Creator: Ahrenbeck, William C.

Apparatus for Boring Artesian Wells.

Description: Patent for a new and improved artesian-well borer. This design "has for its object to furnish a combination tool which will wear or cut the harder grades or rock frequently met with in boring wells of this class, and also to furnish a tool which will be harder than the common steel too or auger, thereby dispensing with the necessity of taking out and sharpening" (lines 13-20). It consists in "[a] fluted hemispherical mass of corundum for boring Artesian wells, said mass being provided with cutting-edges which extend from the apex to the base, [and] a metallic core embedded within the mass" (lines 16-20).
Date: April 5, 1892
Creator: Brown, Frank O.