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Journal-Box Oil-Cup

Description: Patent for an oil cup for lubricating journal boxes. Illustrations included.
Date: September 24, 1912
Creator: Alexander, Colwell Hyman
Partner: UNT Libraries Government Documents Department

Non-Refillable Bottle.

Description: Patent for improvements to non-refillable bottles to prevent tampering and/or re-filling of container with alternate substance. Item is designed to be used on any ordinary bottle.
Date: August 19, 1902
Creator: Allen, Edward
Partner: UNT Libraries Government Documents Department

Tree and Brush Cutter.

Description: Patent for a motorized tree and brush cutter that is portable.
Date: February 14, 1911
Creator: Andrews, Robert Lyle
Partner: UNT Libraries Government Documents Department

Starting Meachanism for Explosive Engines

Description: Patent for a mechanism for starting internal combustion engines, and particularly that form of starting devices in which a torsion spring is used.
Date: June 20, 1916
Creator: Appleman, Boyd K.
Partner: UNT Libraries Government Documents Department

Attachment For Surveying Instruments

Description: Patent for attachment for surveying instruments. Illustrations included.
Date: September 6, 1904
Creator: Armstrong, Edward R.
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.
Partner: UNT Libraries Government Documents Department

Nut-Lock.

Description: Patent for a nut-lock that holds the nut more securely in place than previous ones. Used primarily in railroad joints, but can be used in a variety of other applications.
Date: February 19, 1907
Creator: Baldwin, John H.
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for a wrench. Illustration included.
Date: May 16, 1905
Creator: Baldwin, Thomas J.
Partner: UNT Libraries Government Documents Department

Ice Hook

Description: Patent for an ice hook.
Date: May 3, 1904
Creator: Ball, Thomas J.
Partner: UNT Libraries Government Documents Department

Friction-Clutch

Description: Patent for friction clutch (used in automobiles) that would allow better control over rotary parts, even when driving in reverse. The improved control is partially due to the inclusion of a tension device unique to this clutch.
Date: July 21, 1914
Creator: Barry, David Redmond
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

Ice-Making Apparatus

Description: Patent for an ice-making apparatus that both cools the brine and makes the ice.
Date: December 31, 1912
Creator: Bell, Samuel Robert
Partner: UNT Libraries Government Documents Department

Rotary for Oil-Wells.

Description: Patent for a pipe rotary for use "in sinking oil-wells" (line 10). The patent allows for the power to be applied to the "pipe-sections which constitute the casing of the well" (line 14-15).
Date: February 6, 1906
Creator: Bernard, Horace D.
Partner: UNT Libraries Government Documents Department

Valve For Oil Wells

Description: Patent for a valve for oil wells. This invention is designed to control the flow of oil during drilling. Illustration included.
Date: September 19, 1905
Creator: Bernard, Horace D.
Partner: UNT Libraries Government Documents Department

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.
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.
Partner: UNT Libraries Government Documents Department

Hydraulic Swivel

Description: Patent for the hydraulic swivel. This is an improvement to the hydraulic swivel that already exists. It involves "the rotary well-drilling machines, to permit the flow of water to the point of the drill." (Black)
Date: December 1, 1914
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

PUMP CYLINDER

Description: Patent for a removable liner for a pump cylinder bore, including illustrations.
Date: February 24, 1914
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

Rotary Drilling Apparatus

Description: Patent for well drilling apparatus (commonly known as rotaries) with eliminated screws and nuts, and reduced minimum number of parts, and which provides a quickly and easily operable gripping device.
Date: June 22, 1915
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

Rotary Drilling-Machine

Description: Patent for a rotary drilling machine for drilling oil wells. Illustrations included.
Date: February 18, 1913
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

Steam-Feed.

Description: Patent for an improved steam feed for use in sawmill carriage feeds.
Date: October 3, 1911
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Steam Feed

Description: Patent for a steam feed. This invention is designed "for sawmill carriages characterized by a steam cylinder, and a piston operating in the cylinder and having its rod connected to the sawmill carriage" (line 9-12). Illustration included.
Date: May 30, 1911
Creator: Black, Lee Jackson
Partner: UNT Libraries Government Documents Department