UNT Libraries Government Documents Department - 139 Matching Results

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Aerodrome

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

Air-Craft Propeller

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

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.

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.

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.

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.

Boring Tool

Description: Patent for a boring tool that allows for easy interchanging of the drill.
Date: October 31, 1916
Creator: Carroll, Monroe W.

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.

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

Carbureter

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

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

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

Clothes-Drier

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

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.

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.

Concrete Step Mold

Description: Patent for concrete that when used multiple times will produce a flight of stairs.
Date: March 20, 1917
Creator: Baldwin, Thomas H.

Demountable Rim

Description: Patent for a durable yet inexpensive "demountable rim for vehicle wheels" (lines 12-13), with a sectional design for ease of attachment and removal.
Date: September 16, 1913
Creator: McPherson, Arthur

Detector for Wireless Telegraphy

Description: Patent for an improved detector for wireless telegraph machine through the use of minerals such as copper, sulfur, and zinc.
Date: November 9, 1915
Creator: Lorenz, Charles O.

Device for Dipping Lumber.

Description: Patent for a device for dipping lumber in a "soda" bath for preventing mildewing that allows the operator of the sawmill to determine which logs go through the bath.
Date: August 9, 1910
Creator: Baten, William Lucian

Door-Hanger.

Description: Patent for a door hanger which supports heavy doors, in particular "barn doors, freight car doors, and the like."
Date: April 29, 1913
Creator: Caneavri, Joseph

Drilling-Machine

Description: Patent for a rotary drilling machine for drilling oil wells that has a stronger grip than previous drills.
Date: August 6, 1912
Creator: Black, Lee J.
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