Texas Patents - 23 Matching Results

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Hydraulic Swivel

Description: Patent for a new and useful improvement in hydraulic swivels by simplifying the structure and making the device more efficient and reliable.
Date: March 7, 1922
Creator: Black, Lee J.
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Partner: UNT Libraries Government Documents Department

Hydraulic Swivel.

Description: Patent for a hydraulic swivel valve, to allow water to flow to the drill stem for purposes of cooling and lubrication.
Date: March 22, 1921
Creator: Black, Lee J.
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Partner: UNT Libraries Government Documents Department

Grain-Car.

Description: Patent for a grain car, with improved methods or loading and unloading the grain, as well as an easy method for converting the car to haul regular cargo.
Date: March 15, 1921
Creator: Dukes, Sandy
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Partner: UNT Libraries Government Documents Department

Still and Still-Setting

Description: Patent for steam still improvements using an open steel frame for support of the still. This steel frame allows for heating by methods other then steam and easy access to the bottom plates of the still to see if there is leakage.
Date: March 30, 1920
Creator: Henderson, Herbert
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Partner: UNT Libraries Government Documents Department

Automatic Fuel-Changing Valve.

Description: Patent for Automatic Fuel Changing Valve. The purpose of the invention is to provide a mechanism that switches to another gas supply when the one which is feeding the system runs low.
Date: March 26, 1918
Creator: Connelly, John S.
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Partner: UNT Libraries Government Documents Department

Lightning-Protecting System for Oil-Tanks.

Description: Patent for an improved system that is used for protecting oil tanks from getting struck by lightning and can get put on existing structures to ground them. The patent includes instructions and an illustration.
Date: March 14, 1916
Creator: Gunthorpe, Charles Henry
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Partner: UNT Libraries Government Documents Department

Process of Catalyzing Oil and Apparatus Therefor.

Description: Patent for improvements to oil boiling & processing to preserve its hydrocarbon properties by converting high-boiling oils to low-boiling oils using a specific apparatus for vaporization and a catalyst reheating device, such as a chamber furnace.
Date: March 14, 1916
Creator: Alexander, Clive M. & Taber Jr., George H.
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Partner: UNT Libraries Government Documents Department

Drying-Machine

Description: Patent for a drying machine for stone, clay and related substances that will not burn the materials.
Date: March 4, 1913
Creator: Black, Lee J.
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Partner: UNT Libraries Government Documents Department

Cistern.

Description: Patent for a rain cistern, which can have oil put in it to prevent rust and sends out dirt from the cistern if it overflows.
Date: March 8, 1910
Creator: Fischer, Christian
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Partner: UNT Libraries Government Documents Department

Root Crop Harvester

Description: Patent for a root crop harvester. This invention is designed for the harvesting of peanuts, potatoes, sugar beets, turnips, onions, etc. Illustration included.
Date: March 2, 1909
Creator: Bourland, Joseph M.
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Partner: UNT Libraries Government Documents Department

Bandage.

Description: Patent for bandage that prevents and/or reduces the occurrence of "double chin."
Date: March 20, 1906
Creator: Hardee, Virginia E.
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Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a pump. This patent claims improvements in the design of pumps used for oil or water.
Date: March 6, 1906
Creator: Nevins, Ennis M.
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Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for improved car couplings "of the Janney type, capable of readily coupling on short curved, and adapted to be either coupled or uncoupled without going between cars. A further object of the invention is to provide means whereby the parts may be readily set for automatic coupling, or to prevent coupling." (Lines 13-20) Includes instructions and illustrations.
Date: March 19, 1895
Creator: Armstrong, James P.
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Partner: UNT Libraries Government Documents Department

Refuse-Carrier Frame.

Description: Patent for a support frame for devices that carry refuse from the saw mill to the burning pile, with instructions and illustrations.
Date: March 1, 1892
Creator: Zimmerman, Joseph W.
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Partner: UNT Libraries Government Documents Department
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