UNT Libraries Government Documents Department - 41 Matching Results

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Oil-Converting Apparatus.

Description: Patent for an apparatus that can be built at moderate cost, which will enable a high rate of commercially efficient work to reduce "the specific gravity of various grades of hyrdo-carbon oils, especially those of a semi-refined character" (lines 22 - 24).
Date: October 28, 1919
Creator: Adams, Joseph H.

Process of Saturating Oils

Description: Patent for the process of saturating oils. This is a continuation of the treating and improving petroleum hydrocarbons application serial number 792615 filed 1913-09-30.
Date: August 27, 1918
Creator: Almer McDuffie

Jack.

Description: Patent for a jack for lifting heavy loads on railroads, which has an automatic steady movement of the load up and down without adjusting the jack settings.
Date: August 6, 1907
Creator: Blake, David Alexander & Blake, Charles William

Propeller

Description: Patent for a boat propeller that does not create a vacuum behind it and is more efficient than other propellers.
Date: July 23, 1912
Creator: Blake, David H.

Improvement in Insect-Destroyers.

Description: Patent for a device to destroy "winged insects which are destructive to the cotton plants and other vegetation" (lines 19-21) including instructions and illustrations.
Date: December 6, 1870
Creator: Byrne, Thomas; Strunk, Diedrich & Schott, J. J.

Wick Material (Illinois Patent).

Description: Patent for wick material, "composed of raw fibrous matter in layers or slivers in adhesive substance" (lines 16-17).
Date: July 1, 1890
Creator: Chapin, Myron H.

Envelope or Bag Machine

Description: Patent for a machine "for making envelopes, paper bags, and the like wherein the blank which is to form the envelope or bag is automatically fed into the machine at its receiving end by a suitable feeder and is folded and gummed on its way through the machine, being finally delivered in a marketable condition at the delivery end of the machine" (lines 10-17).
Date: June 24, 1890
Creator: Clarke, George R.

Engraving-machine.

Description: Patent for improvements to an engraving machine. Illustrations included.
Date: July 1, 1902
Creator: Crane, Walter E.

Bedstead

Description: Patent for a bedstead. Illustration included.
Date: October 31, 1905
Creator: Davis, Augustus H.; Hummel, George F. & Gray, J. W.

Adhesive and Method of Making the Same

Description: Patent for starch used for paper that can act as an adhesive coating. Illustrations included.
Date: February 18, 1913
Creator: Dunham, Andrew A. & Dunham, Henry V.

Preserved Wood and Process of Making Same

Description: Patent for a process for preserving wood by treating it with various anti-septic chemicals mixed with oil that stops the wood from decaying for a long time.
Date: November 19, 1912
Creator: Ellis, Carleton

Clip for Type-Writers.

Description: Patent for a clip for type-writers for Remington or similar type-writers that holds post-cards, envelopes, and similar short items in place. The invention prevents "the blurring or bad impression which is apt to be made, more particularly in machines having type bars with two types each, when the paper is not held firmly to the roller or platen" (lines 12-16).
Date: February 19, 1895
Creator: Gibson, Allen J.

Pyrotechnic Device.

Description: Patent for a firework called a crazy cracker, which prevents accidental ignition from friction by covering the firework in a wood pulp covering.
Date: November 3, 1908
Creator: Graber, Charles F.

Apparatus for Burning Finely-Divided Fuel.

Description: Patent for an improved apparatus for burning finely divided fuel. It admits air (during combustion) at various access points to vary the air that is confined within the mechanism.
Date: February 10, 1914
Creator: Irish, David J.

Method of Burning Finely-Divided Fuel.

Description: Patent for a combustion apparatus used in-conjunction with a fuel-burning furnace. The apparatus is a rotating device that rotates in a one-directional whirling motion, which imparts finely-divided fuel evenly to ensure a uniform mixture with air for a continuous combustion.
Date: unknown
Creator: Irish, David J.

Seeding-Machine

Description: Patent for improvements to the hoe of the seeding machine "and attendant parts, and particularly to the means for guiding and adjusting the hoe and for guiding and adjusting the following-wheel" (lines 17-19).
Date: November 8, 1892
Creator: Kirkpatrick, George W. & Ralston, James B.

Self Locking Rail Chair.

Description: Patent for self locking rail chair. This chair can be easily added to older rail lines for passengers' comfort.
Date: January 26, 1915
Creator: Liebmann, August G.

Coin-Controlled Vending-Machine

Description: Patent for a pencil vending machine that is coin-operated, with illustrations.
Date: September 5, 1911
Creator: Mathes, John W.

Spring-Washer for Piano-Flanges.

Description: Patent for a spring washer for piano flanges that prevents the flanges from becoming loose over time.
Date: December 5, 1911
Creator: Mayor, Enoch Allen
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