UNT Libraries Government Documents Department - 1,772 Matching Results

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Improvement in Postage or Revenue Stamps.

Description: Patent for an improvement in postage or revenue stamps. Patent for postage or revenue stamp "composed of two superposed sheets or layers, A B, the top layer carrying the printed designs, having parallel incisions therein, and the bottom layer being provided with adhesive material on the back". Patent for postage and revenue stamps that cannot be re-used.
Date: July 10, 1877
Creator: Beaumont, David G.

Improvement in Breech-Loading Fire-Arms.

Description: Patent for improvements in Winchester Repeating fire-arms, or magazine fire-arms. Patent for improvements in the "interior mechanism for operating the breech-block and resisting the recoil, and in the combination of parts". Patent that increases strength and capability to resist recoil, increases the charge of powder. Together, the ball is carried faster and farther with "perfect safety and without increase of recoil or rebound".
Date: July 31, 1877
Creator: Petmecky, Joseph C.

Improvement in Saddle-Trees.

Description: Patent for "an improvement in riding-saddles, designed to secure greater strength in the pommel and fork; and it consists in forming the fork of the saddle-tree and the pommel from malleable cast-iron, and in one and the same piece, the neck of the pommel being cast hollow for greater lightness, with the upper end of the casting open, which opening is closed by a surmounting cap of wood or other material, which finishes the pommel." (Lines 13-23) Includes instructions and illustrations.
Date: September 18, 1877
Creator: Still, Henry C. & Still, Joseph R.

Breech-Loading Fire-Arm

Description: Patent for a new and improved breech-loading firearm. This design "consists in the devices for opening the breech-block and ejecting the cartridge-shell by one and the same motion that cocks the gun, and also in a spring and pitman arranged with the breech-block" (para. 2).
Date: December 4, 1877
Creator: Petmecky, Joseph C.

Improvement in Gang Plow and Cultivator.

Description: Patent for "a new and improved gang plow and cultivator" (lines 3-4), including instructions and illustrations. "This invention relates to a new agricultural machine which may be readily changed from a gang-plow into a cultivator, and vice-versa" (lines 15-17).
Date: December 18, 1877
Creator: Domschke, Charles

Solar-Time Instrument.

Description: Patent for a new and improved solar-time instrument with "the telescopic tube provided at one end with a lens, and at the other end with a removable diaphragm having horizontal and vertical lines marked thereon" (page 2).
Date: September 9, 1879
Creator: Hayford, Samuel

Improvement in Fire-Lighters.

Description: Patent for a device which allows the lighting of "fires, lights, blasts, &c., by a person located some distance from the object to be ignited." (lines 7-10) Includes instructions and illustrations.
Date: November 18, 1879
Creator: Craig, Samuel M.

Windmill.

Description: Patent for windmills by making them self-regulating and "it consists in the construction and arrangement of devices whereby the force of the wind is made to move the wind-wheel and crank-shift backward and turn the vane, and also in the devices for turning the vane at will" (lines 14-18).
Date: February 3, 1880
Creator: Tevis, James H.

Apparatus for the Manufacture of Ice.

Description: Patent for a new and improved ice maker. This design calls for "two or more sheets of galvanized iron or other metal set in a tank of fresh water, one on either side of the evaporation-pipes, and held in a position parallel to each other by anchors or yokes that connect them" (lines 15-20). This eliminates the need for strong (ammoniacal) brine and is a faster, more reliable, and less leaky ice-making process than previous ones that used said brine.
Date: March 2, 1880
Creator: Zilker, Andrew J.

Seeding-Machine.

Description: Patent for "a new and useful improvements in Seeding-Machines" (lines 5-6) the light draft interchangeable seeding-machine can be converted from a cotton-planter to a corn-planter, and vice versa. The invention is "compact, simple, and durable" (line 13)
Date: June 29, 1880
Creator: McCall, John L.

Rotary Engine.

Description: Patent for a new and improved rotary engine. This design consists "[i]n a rotary engine, the combination of the wheel having two circumferential channels and radial recesses, with the notched pistons, fitted in the radial recesses of the wheel, and the adjustable cam connected with the side casings and fitted into the notches of the pistons" (lines 90-96).
Date: August 17, 1880
Creator: Cross, David L.

Seed Planter and Cultivator.

Description: Patent for a new and improved planter and cultivator. This design "relates to combined seed-planters and cultivators intended for different kinds of seeds and crops; and it consists of a novel construction of machine having a detachable harrow and seed-drum, and being what [the inventors] call a 'universal seed-planter and cultivator'" (lines 14-20).
Date: October 5, 1880
Creator: Thompson, James W. & Lloyd, James

Bullet.

Description: Patent for a new and improved bullet. This design calls for a cavity at the base of the bullet and a tube of flexible material to be inserted snugly into the cavity. This results in less wobbling after the bullet has been fired.
Date: October 12, 1880
Creator: Petmecky, Joseph C.
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