UNT Libraries Government Documents Department - 480 Matching Results

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Abdominal Supporter.

Patent for a new and improved abdominal supporter. This design "consist[s] of the waist-belt, the abdominal sector-shaped pads hung from the waist-belt by elastic straps, the straps buttoned to the belt behind and to the bottom of the abdominal pads in front, the side straps connecting the abdominal pads with the pieces at the back, and the front strap connecting the two abdominal pads together with the shoulder-straps" (lines 70-79).

Date: December 25, 1888

Creator: Gray, Harriet N.

Adjustable Mosquito-Canopy.

Patent for an adjustable, simple, and easily used mosquito-canopy for beds that fits over any style and size of bed, and is easily removed.

Date: April 25, 1893

Creator: Eva, Addison H.

Aeroplane.

Patent for improved propulsion for airplanes involving propellors in the front and rear of the plane. This aids in regulating air currents to stabilize flight, landing and speed. The patent includes illustrations.

Date: June 12, 1917

Creator: Campbell, John R.

Agricultural Implement.

Patent for a new and improved sweep. This design consists "in a sweep of a suitable shape and construction having attached to each of its rear corners a vertical bar or wings, which extends parallel to the course of the plow and backward a suitable distance beyond the sweep proper . . . The object of [the] invention is to attach to the rear corners or wings of a sweep bars or runners, which rest upon the ground and steady the sweep and prevent it from wabbling or dodging while in use" (lines 14… more

Date: March 4, 1890

Creator: Cameron, Hugh L.

Air-Chamber.

Patent for an air-chamber that pumps in air confined with a flexible diaphragm to spray or diffuse fluid, including illustration.

Date: June 18, 1861

Creator: Creuzbaur, Robert

Airship.

Patent for an airship with multiple gas bags inside an outer enclosing casing, which maintain the buoyancy of the airship in case one or more of the smaller bags should rupture. This airship also supports one or more persons other than the pilot, has an "envelop adapted to serve as a parachute in the event of danger", and can "alight upon and rise from the surface of a body of water".

Date: July 2, 1918

Creator: Richmond, George E.

Animal Shears.

Patent for new and improved animal shears. This design is "of a platinum or other wire or conductor heated to a high temperature, sufficient to burn through the fibers of the wool or hair, and [is] passed over the surface of the body as close as may be deemed desirable to the roots. No injurious effects are produced upon the animal or upon the wool or hair removed, while at the same time the same may be removed with great uniformity and expedition" (lines 28-36).

Date: June 8, 1886

Creator: Harrell, Joseph J.

Apparatus for Handling Seed-Cotton.

Patent for an improved cotton elevator, separator, and distributor that is meant to move cotton from a wagon or storage, remove dirt, and deliver it to a gin. The "improved apparatus comprises a pneumatic cotton-conveying tube by which the cotton is lifted or carried to the distributor, a separator for removing the cotton from the air current, and a distributor comprising a trunk for receiving the cotton from the separator extending over the two gin feeders, having openings delivering into the … more

Date: October 31, 1893

Creator: Bachman, Joseph A. & Clark, Frank S.

Apparatus for Impregnating Liquids with Gases.

Patent for a new and improved apparatus for impregnating liquids with gases. This design "relates to apparatus for impregnating water or other suitable liquid with the fumes emanating from the consumption of a combustible composition of matter, such as sulphur, which when ignited emits a gas containing suitable medicinal qualities" (lines 14-19). It consists in "the closed reservoir for containing the liquid, having windows upon opposite walls thereof, of the transverse beam having its ends sup… more

Date: October 8, 1889

Creator: Radam, William

Apparatus for Loading Cotton-Bales, &c.

Patent for an apparatus for loading cotton-bales onto trucks from the compress. It is comprised of a cylinder, a piston, a piston rod, an inlet and exhaust pipes and a valve, a chain with grapnels at one end end and the other end is connected to the piston rod, a sheave, an adjustable slidable trip rod, a pivoted trip lever connected to the cylinder, a four armed lever connected to the valve, and connecting rods.

Date: December 24, 1895

Creator: Thompson, George

Apparatus for Testing Errors of Refraction

Patent for an eye testing device that has a movable lens, a measuring device for correction, and two different cards with test type on them which are fed into the machine during testing for astigmatism and myopia, presbyopia, and hyperopia to determine the level of correction needed in glasses.

Date: July 2, 1907

Creator: Bahn, Gustavus Adolphus

Apparatus for the Manufacture of Ice.

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.

Apparatus for Training Troop in the Pointing of Guns

Patent for improvements to apparatus to train troops in pointing and aiming various firearms. An electric lamp shines light through a tube to point at the target, with a shutter that can operate simultaneously with the trigger or remain open.

Date: April 26, 1921

Creator: Place, Olney

Apparatus for Treating Timber.

Patent for an invention to aid in the treatment of treating timber. The invention is said to "provide a simple, inexpensive, durable, and efficient apparatus by means of which railroad cross-ties, fence-posts, and the like may be expeditiously and economically treated by immersion in a bath of some preserving liquid" (lines 16-22) including illustrations.

Date: July 11, 1905

Creator: Gerhard, Philip H.

Artist's Easel and Attachable Rest.

Patent for a new and improved easel and rest. This design consists in "[t]he combination, with the rest . . . of the bar pivoted to [a] holder by bolt, the perforated bar pivoted to [another] bar by [another] bolt, and the easel united to the [first] bar by a suitable round bolt" (lines 97-101).

Date: January 22, 1889

Creator: Johnson, John Alexander

Attachment for Mowers

Patent for a dividing and feeding mower attachment to guide grain into the cutters of the mowers in an upright position.

Date: April 13, 1915

Creator: Mosely, Jimmie E.

Attachment for Spoons.

Patent for an attachment for spoons, forks, and the like. The attachment is a metal wire loop that attaches to a utensil and is bent to hook onto a vessel such as a bowl to keep the utensil from falling in the vessel.

Date: June 6, 1916

Creator: Allen, Harry P.

Automatic Danger-Signal for Railroads.

Patent for a "device for indicating at railroad crossings and other points, the approach or departure of trains within any given distance of such crossing or with relation to any point where persons might come into dangerous proximity to the train if they were left unadvised by some such signal as this." (Lines 19-26) Includes instructions and illustrations.

Date: February 26, 1895

Creator: Lee, Horatio Grooms; White, John P.; Ball, Thomas & White, James L.

Automatic Gate.

Patent for an improved automatic gate with levers, cam-blocks, camways, and cam-rods. It is centrally pivoting, uses a pulley, a cam groove, a forked bearing, chains, and chords.

Date: September 17, 1895

Creator: Everton, David Marion

Automatic Match Box

Patent for automatic match box. This device is designed to eject matches to a suitable distance. Illustration included.

Date: November 9, 1909

Creator: Hanna, John Griffin

Automobile-Headlight

Patent for a headlight design that turns with the front wheels, allowing the driver to illuminate the road ahead whether driving straight or turning.

Date: June 30, 1914

Creator: Fay, Peter J.

Automobile Signal

Patent for a signal of the nature indicated including a signal arm controlled in novel manner and movable from one position to another, the signal arm being inoperative in one position, and when moved to the other position being visible to other vehicles and pedestrians both in front and in rear, to warn them of the intention of the operator driver to turn.

Date: November 27, 1917

Creator: Deats, O.G.

Axle Box.

Patent for a new and improved self-oiling axle box. This design utilizes a sleeve with several small, oil-filled holes to be placed between the spindle and the axle box, which lubricates the machine and reduces friction. A nut keeps the spindle and axle box together.

Date: April 26, 1881

Creator: Barnes, Thomas J.

Bailing-Press.

Patent for Bailing Press including illustrations. The purpose of the bailing press was to improve "the bailing-press especially adapted for bailing cotton, which press is simple in construction, strong and durable, and operates rapidly" ( lines 9-12).

Date: November 24, 1885

Creator: Clark, Frank