UNT Libraries Government Documents Department - 46 Matching Results

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Panorama-Camera.

Description: Patent for a panorama camera to adjust or remove the film without exposing it, including illustrations.
Date: May 16, 1905
Creator: Baker, Franklin James

Book Guard

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

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

Shovel.

Description: Patent for a shovel, which has a detachable blade and handle that can be securely fastened when in use and easily taken apart for transport.
Date: April 7, 1908
Creator: Ellison, John Wesley

Screw-Jack Head.

Description: Patent for a new and improved screw jack head, including instructions and illustrations.
Date: August 30, 1898
Creator: Glenn, Daniel

Stove-Lifter

Description: Patent for a lifter for stove lids that may also be used as kitchen tongs, with illustrations.
Date: January 26, 1909
Creator: Hall, Robert H.

Picture Hanger

Description: Patent for a new picture frame with adjustable hanger. Patent for "a new and improved picture frame with an attached hanger to support the top and bottom of the frame at any desire angle" (lines 14-19) including instructions and illustrations. Patent for a new picture frame hanger design, including illustrations.
Date: January 3, 1893
Creator: Hymans, Joseph

Water-Cooler.

Description: Patent for a simple, efficient, and inexpensive portable water cooler that refrigerates the water "by the action of the air and the evaporation of the liquid or vapor percolating the material" (lines 12-14). It does not use ice and can be used in rural areas.
Date: September 5, 1893
Creator: Hymans, Joseph

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.

Steam Coffee or Tea Pot.

Description: Patent for a steam coffee or tea pot that has "double walls forming an inner and outer chamber, an interiorly arranged spout connecting said chambers and a vent tube arranged in the spout communicating with the inner chamber" (lines 77-81).
Date: August 7, 1894
Creator: Laube, Godfried

Vehicle-Wheel.

Description: Patent for a vehicle wheel meant for children's carriages that has double fellies, spokes, and a hub that has "an interposed band connecting said fellies at suitable intervals and adapted for the attachment to the spokes" (lines 69-71).
Date: February 12, 1895
Creator: Laube, Godfried

Vehicle Wheel.

Description: Patent for a wheel attachment of "combined purposes of tire, felly and safety guard" (lines 15-16), with slight wing-like widening between spokes to prevent sinking into ruts, with optional cutouts to reduce weight, including illustrations.
Date: May 7, 1895
Creator: Laube, Godfried

Vehicle-Wheel.

Description: Patent for a strong, durable, and inexpensive vehicle-wheel with an improved design that is meant for light vehicles. The wheel will "provide novel means whereby the wheel will be prevented from slipping into ruts in the road, thus overcoming the jar that would otherwise be caused" (lines 14-18).
Date: May 21, 1895
Creator: Laube, Godfried

Vehicle-Wheel.

Description: Patent for an improvement on vehicle wheels to "provide a novel and inexpensive safety-guard for wheels of the above-referred-to class, whereby the wheel will be prevented from entering crevices and cracks" (lines 14-18) and to improve durability.
Date: July 23, 1895
Creator: Laube, Godfried

Vehicle-Wheel.

Description: Patent for a strong, durable, and inexpensive vehicle-wheel in children's carriages with a double-felly wheel meant to broaden "the tread thereof sufficiently to prevent the wheels falling into cracks between boards of board walks, such as are common in the suburbs or rural districts" (lines 15-19). The spokes are like that of a single-felly wheel.
Date: July 23, 1895
Creator: Laube, Godfried

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

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

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

Nut-Lock.

Description: Patent for a nut lock with a locking washer at the base of the nut that does not unscrew. The nut forms a bar of spring metal.
Date: March 13, 1894
Creator: Mauermann, Albert J.

Skate-Wheel.

Description: Patent for a skate-wheel that is meant for roller skates, but it can be used for other things. It gives the skate a smooth gliding movement. The "invention consists essentially of a stationary runner or slide rigid to the skate and arranged in a circular rim or tire, so that there will be as little friction as possible between the two parts, the runner being adapted when in operation, to slide along its bearing in the rim or tire and by this means the tire is made to turn as in the ordinary whe… more
Date: March 13, 1894
Creator: Mauermann, Albert J.

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.

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.

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

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.
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