UNT Libraries Government Documents Department - 46 Matching Results

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Automatic Valve

Description: Patent for an automatic valve that uses a lever to open and close quickly, with illustrations.
Date: November 20, 1906
Creator: Pinkerton, Henry S.

Automatic Valve

Description: Patent for an automatic valve, "designed to automatically control the water-supply to a suitable reservoir through the operation of a float (lines 9-11), with illustrations.
Date: April 25, 1905
Creator: Pinkerton, Henry S.

Billiard-Ball Holder.

Description: Patent for a simple billiard-ball holder that is meant to "provide a means for holding the balls when not in use, so that they will not fall out of the holder to the floor, and means to provide for the tilting of the holder out of line, so that the balls will roll to the opposite end, and out of the opening into the triangle, thereby saving a good part of the time in taking the balls out of the holder" (lines 20-27).
Date: July 11, 1893
Creator: Rohrbach, Gabriel

Boiler Cleaning Compound

Description: Patent for a boiler cleaning compound for steam-boilers and furnaces to prevent buildup from hard water.
Date: September 27, 1904
Creator: López, Néstor

Book Guard

Description: Patent for a book guard with an illustration.
Date: December 21, 1909
Creator: Boatright, John B.

Car-Axle Lubricator

Description: Patent for improving parts of the journal box in car axles to simplify construction and enable access to the interior of the journal box for replacement or otherwise.
Date: May 18, 1920
Creator: Urbeita, Jose M.

Car-Coupling.

Description: Patent for a car-coupling "which will afford means to automatically connect cars and release them in a safe manner from the roof or side of a car" (lines 9-11) and to adapt the improved coupling for connection with one of the ordinary type, including illustrations.
Date: November 3, 1891
Creator: Rohrbach, Gabriel

Car-Door.

Description: Patent for a sliding car door and the frame that allows its sliding mechanism to work.
Date: September 7, 1915
Creator: Sneddon, William

Combined Car and Air-Brake Coupling.

Description: Patent for a simple, practical, and easy to use car coupling and in air brake coupling that automatically couples cars together. It can be easily uncoupled from the top or sides of cars. When it couples, it also connects the cars' air pipes together.
Date: November 14, 1893
Creator: Rohrbach, Gabriel

Design for a Game-Board

Description: Patent for a design for a game-board this is both useful and ornamental.
Date: May 11, 1897
Creator: Sneddon, Guy Hoyt

Felly-Joint Bridge

Description: Patent for a felly joint bridge designed to strengthen and support vehicle wheels, with illustrations.
Date: November 1, 1910
Creator: Lawrie, Alexander

Folding Bunk Stairs

Description: Patent for stair-step that can be folded up, to be used in bunk bed situations such as in sleeping cars of trains.
Date: December 26, 1916
Creator: Mey, Ella E.

Fuel-Oil-Controlling Valve

Description: Patent for a new fuel oil controlling valve for locomotives, with instructions and illustrations.
Date: May 27, 1913
Creator: Sneddon, William

Gate-Hinge.

Description: Patent for improvements in gate hinges, "the object being to provide hinges which will hold the gate in an open position." (Lines 9-10) Includes instructions and illustrations.
Date: February 2, 1892
Creator: Rohrbach, Gabriel

Gate Latch.

Description: Patent for a new and improved gate latch. This design consists in "[a] gate-latch comprising a slotted-sleeve, a pivoted and spring-actuated latch-plate, and a bolt mounted to turn in the latch-plate and extend through the sleeve, and provided with a transverse pin" (lines 98-102).
Date: August 5, 1890
Creator: Rohrbach, Gabriel

Gate-Latch.

Description: Patent for improvements in gate latches, which "may be adjusted toward or from a gate on a post to be engaged by the latch proper and enable compensation to be made for spreading of the posts upon which the gate is supported and to which it is secured by the latching device." (Lines 14-19) Includes instructions and illustrations.
Date: December 29, 1891
Creator: Rohrbach, Gabriel

Gate-Latch.

Description: Patent for a simple, durable, and easy to use gate-latch for swinging gates in which the lock latches move vertically. The latch is on the gate, and a catch is mounted on the post.
Date: June 5, 1894
Creator: Rohrbach, Gabriel

Harrow.

Description: Patent for a new and improved harrow. This design consists in "[t]he combination, with the revolving harrow-teeth and prong-wheels, of the centrally-hinged vibratory frame, carrying drag-hook teeth . . . [and] [t]he combination, with the harrow-frame . . . carrying the hook-teeth, of the pulley, chain, and lever" (lines 62-70).
Date: March 20, 1883
Creator: Lewis, Charles Patton

Insect-Trap

Description: Patent for an insect trap which attracts insects with a light and contains them.
Date: April 4, 1911
Creator: La Baum, Francis M.

Locomotive Ash-Pan.

Description: Patent for "locomotive ash-pans which are cleared of ashes and cinders without necessitating the stopping of the engine or requiring the fireman or other person going beneath the engine to relieve the ash-pan of its contents, thereby saving expense in labor and obviating loss of time in long runs." (Lines 8-15) Includes instructions and illustrations.
Date: March 9, 1897
Creator: Cummings, Summer Field

Medical Compound

Description: Patent for a medical compound which "when taken internally, is a cure for gonorrhea, gravel, dysentery, and diarrhea, and when applied externally a cure for rheumatism" (lines 12-14).
Date: September 4, 1906
Creator: Mendez, Jesus M.

Neck-Yoke Center.

Description: Patent for a device that improves, simplifies, and strengthens the construction of neck yoke centers.
Date: February 6, 1906
Creator: Quick, E. B.

Nut-Lock.

Description: Patent for new and improved Nut-Locks, allowing for "a simple, strong, durable, and efficient arrangement for effectually locking a nut on a bolt..." (lines 16-18), including instructions and illustrations.
Date: April 29, 1916
Creator: Portesi, Santos & Taini, John

Nut Lock.

Description: Patent for a new and improved nut lock. This design utilizes "[t]he combination, with the bolt having a longitudinal groove therein, and the nut having a circular recess in its inner face and a series of perforations in its outer face, of the key having its inner end bent at right angles and fitted in said recess, and provided with an arm and pivoted catch at the outer end, which catch is adapted to engage with a perforation in the nut" (lines 47-55).
Date: May 15, 1883
Creator: Mlinarich, Gioseppe Iosef Pepos
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