UNT Libraries Government Documents Department - 26 Matching Results

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Window-Sash Lock.

Patent for a device which may be attached to the upper and lower sashes of a window to firmly lock them in position. The device is special because "the attachment to the upper sash does not project into the path of the lower sash nor interfere with its operation" (lines 16-19).

Date: June 8, 1915

Creator: Merrell, Frederick R.

Figure Velocipede.

Patent for new figure velocipede which when propelled, resembles a galloping horse.

Date: August 8, 1916

Creator: Houghland, Howard J.

Rotary Engine

Patent is for a rotary engine. The design of this rotary engine includes an inlet and exhaust that also prevents internal leakage of working fluid under pressure.

Date: May 8, 1912

Creator: Bennison, Samuel

Changeable Gearing.

Patent for changeable gearing by using an axle, bevel-gears, stub-shafts and a crank-axle to construct the changeable gear, so that the “sprocket is locked to rotate with the crank-axle in one direction, while it may rotate freely of the axle in opposite direction, and, furthermore, that the sprocket may be locked to rotate with the axle or may be caused to rotate at a higher-speed than the axle.” (Lines 8-14.) Illustration is included.

Date: January 8, 1901

Creator: Brady, Alford

Canopy

Patent for a portable canopy to be used over beds, cribs, or chairs. Illustrations included.

Date: August 8, 1905

Creator: Eichenberg, Carl

Weed-Destroying Compostion

Patent for a weed-destroying composition consisting of sulfur, caustic soda, and water.

Date: July 8, 1910

Creator: Orton, Ingomar F.

Valve for Engines.

Patent for certain new and useful improvements in valves for steam engines, including instructions and illustrations.

Date: November 8, 1898

Creator: Allen, Walter J.

Indicator For Bottles

Patent for an indicator to show the amount of liquid removed and the amount remaining for bottles or other liquid packages of different dimensions and will help improve the process of refilling the bottle after liquid has been removed.

Date: May 8, 1906

Creator: Frkovic, Frank Andre

Roller Bearing Wheel

Patent for a roller bearing wheel. This invention relates to anti-friction bearings for use in rail car wheels. Illustration included.

Date: August 8, 1905

Creator: Sanchez, Joseph N.

Reinforcement For Concrete Railroad Ties

Patent for railroad ties reinforced by concrete. Illustrations included.

Date: May 8, 1906

Creator: Percival, Herbert E. & Key, Brewer W.

Gas-Machine.

Patent for a new and useful gas machine, including instructions and illustrations.

Date: November 8, 1898

Creator: Ratisseau, William L.

Domestic Boiler.

Patent for a boiler for boiling milk and other liquids prone to boiling over, which prevents the overflow of liquid from the boiler.

Date: October 8, 1907

Creator: Rahm, Phillip

Improvement in Hooks for Suspending Meat.

Patent for an improved meat suspending device that will prevent ants and insects from reaching meat, including illustrations.

Date: April 8, 1879

Creator: Mason, Sanford

Washing-Fluid

Patent for invention has relation to improved detergent and it consists in combining certain ingredients and the manner and proportions as will be here in after fully set forth, and particular pointed out in the claim appended.[10]

Date: March 8, 1887

Creator: Mnnick, Maggie, E.

Grease-Trap.

Patent for a grease-trap that improves on a patent previously granted to the inventor (No. 506,690). The improvement includes providing "a strainer device for sewer traps, and the like, which will prevent any solid matter passing therethrough, and at the same time capable of being removed for the purpose of cleansing, repairs or other purposes" (lines 22-26).

Date: May 8, 1894

Creator: Heffron, Isaac

Feeder for Printing-Presses.

Patent for a feeder for printing-presses that "takes one sheet of paper at a time from a pile on the feed-board and delivers it within reach of the nippers to the press, as straight and true as it laid on the feed-board" (lines 11-14). The feeder has an improved design with adjustable retaining plates, a feed-board, a guard bar with sleeves that slide on the bar, retaining plates, pins with thumb-screws, brushes, and gage-blocks.

Date: August 8, 1893

Creator: Orser, Levi

Envelop.

Patent for envelops "used to inclose articles of value, and provision of means and structural conformation whereby any surreptitious handling thereof will be detected." (Lines 11-14) Includes instructions and illustrations.

Date: December 8, 1896

Creator: Mayer, Walter S.

Fare-Box.

Patent for a simple, inexpensive, fraud preventing fare-box for street-railways.

Date: August 8, 1882

Creator: Alexander, Samuel & Boyle, Frank

Railway-Joint.

Patent for a railway-joint in which "the chairs at the sides of the rails have a dovetail connection with a connecting block or tie extending through the webs of the rails" (lines 9-12). The invention has an improved construction, can be adjusted, and can be laterally removed from the rails.

Date: August 8, 1893

Creator: Brown, John S.

Cotton-Cleaning Apparatus.

Patent for a cotton-cleaning apparatus made up of "a stationary foraminous case or drum having an inlet-opening in the upper side of its small end, a rotary shaft extending centrally through the case or drum and having a plurality of spirally-arranged at the large end of the foraminous case and having a discharge-pipe for conveying the cotton to the point where it is to be deposited or discharged - as, for instance, into gins or gin-feeders" (lines 9-19). The cotton goes in one end, the cotton … more

Date: October 8, 1895

Creator: Murray, Stephen D.

Bale-tie

Patent for improvement in the construction of hooks used to join the ends of ties "for packages or bales of cotton, hemp, rags, or other substances in which a divided metallic band or hoop encircling the package or bale is used, and the ends whereof are joined by a hook at one end of said band, arranged to interlock with any one of a series of mortises in the other end of the band" (para. 2).

Date: August 8, 1876

Creator: Davis, Waters S.

Improvement in Lifting-Jacks.

Patent for improvement in lifting jack. This improvement is the vertical bar is notched to prevent slipping when lifting an item.