UNT Libraries Government Documents Department - 139 Matching Results

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Combined Harrow and Roller

Description: Patent for a combined harrow and roller for pulverizing and eliminating unwanted growth from the ground. Illustrations included.
Date: April 9, 1912
Creator: Younger, Walter E.

Carbureter

Description: Patent for a carburetor to be used on internal combustion engines. Illustrations included.
Date: February 8, 1910
Creator: Kingsbury, William P.

Air-Craft Propeller

Description: Patent for an air craft propeller that reduces air resistance.
Date: October 8, 1912
Creator: Koiw, Julius

Aerodrome

Description: Patent for an aerodrome. Illustrations included.
Date: June 6, 1911
Creator: Mayhew, Nathaniel L.

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

Chain Release for Logging Cars.

Description: Patent for new and useful improvements for a chain release for logging cars, including illustrations.
Date: May 22, 1917
Creator: Dodd, John

Brake-Controlling Mechanism for Railway-Cars

Description: Patent for an "air brake controlling mechanism for use in connection with railway cars" (lines 10-12), one feature applies whereby if a wheel becomes derailed the brakes will be applied automatically. Includes illustrations.
Date: February 22, 1916
Creator: Halliburton, George M. & McBurney, Samuel L.

Clothes-Drier

Description: Patent for a clothes drier that is constructed to surround a stove or heater.
Date: April 18, 1916
Creator: Gallsworthy, Benjamin

Capping-Machine

Description: Patent for a capping machine. The object is to provide a machine of the character specified, designed for placing friction caps or covers of cans containing canned materials and for sealing the covers or caps in place on the cans, and arranged to be capable of use with cans of varying size.
Date: August 31, 1915
Creator: Peppers, Jerry Coatts

Boring-Bit.

Description: Patent for a boring drill. The invention creates a new means "for connecting the constituent members of the head so as to provide novel means for assembling the head with a driving element" (lines 19-22).
Date: June 10, 1913
Creator: Larnce, John B.; Townsend, S. L. & Keith, Aubrey R.

Automatic Slack-Take-Up and Cooling Device.

Description: Patent for new and useful improvements to Automatic Slack-Take-Up and Cooling Devices for the manufacturing of flexible roofing and other similar flexible materials, including illustrations.
Date: May 22, 1917
Creator: Smith, Frederick C.

Collapsible Rim.

Description: Patent for new and useful improvements related to demountable rims that are collapsible. This improvement facilitates the removal of a tire in an easier and expeditious manner.
Date: May 20, 1919
Creator: King, Willis C.

Process of Purifying Oil

Description: Patent for using aluminum chlorid compounds to clean crude oil. Which is apart of the petrochemical process of oil purification.
Date: August 5, 1919
Creator: Miller, Albert E.

Attachment for Motor-Vehicles

Description: Patent for an attachment for motor vehicles, specifically for Ford cars but compatible with any car, where the attachment prevents the reverse movement of the car's crank.
Date: August 12, 1919
Creator: Daniel, Ulysses S.

Utilization of Acid-Coke

Description: Patent for the utilization sulfuric acid in the creation and uses of acid-coke.
Date: January 7, 1919
Creator: George L. Pichard

Wire-Winding Machine

Description: Patent for a wire winding machine for making well screens.
Date: August 20, 1912
Creator: Eastham, Albert Lindsay

Wrench.

Description: Patent for wrench related device "for locking the gripping element after it is applied to the pipe or other pipe (lines 14-15)" including instructions and illustration.
Date: October 19, 1915
Creator: Black, Lee J.

Viscoscometer.

Description: Patent for a device that accurately determines the viscosity of different liquids, particularly oils, and is able to be kept at a uniform temperature.
Date: June 13, 1916
Creator: Lorenz, Charles O.

Variable-Speed-Transmission Gearing.

Description: Patent for an improved transmission gearing that provides "variable speed transmission gearing" (line 10) which allows for different forward and reverse speeds, including illustrations. The variable speed transmission gearing is designed primarily for automobiles and motor vehicles.
Date: October 5, 1915
Creator: Maschek, Henry
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