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Process of and Apparatus for Making Halids

Description: Patent for a new and improved process of and apparatus for making halides which transmit the necessary heat to the reaction mass by preheating the chlorine and not through the wall as in usual types of retorts.
Date: July 8, 1919
Creator: Abbott Lyle Stockton
Partner: UNT Libraries Government Documents Department

Utilization of Aluminum-Chlorid Residues.

Description: Patent for "new and useful Improvements in the Utilization of Aluminum Chlorid Residues" (lines 6-7) including instructions and illustrations.
Date: February 24, 1920
Creator: Abbott, Lyle Stockton
Partner: UNT Libraries Government Documents Department

Method of Purifying Oils

Description: Patent for a new and useful improvement in the method of purifying oils, particularly applicable to cracked gasoline.
Date: January 10, 1922
Creator: Alexander, Clive M.
Partner: UNT Libraries Government Documents Department

Process of Heating Oil-Retorts and Apparatus Therefor.

Description: Patent for "a method of securing even heating of oil retorts and the like throughout their length" and "a new apparatus, particularly intended for the heating and cracking of oils to convert the same into pyrolytic products". The invention may be used for any oil converting retort, but the patent description relates to the production of gasoline.
Date: August 16, 1921
Creator: Alexander, Clive M.
Partner: UNT Libraries Government Documents Department

Process of Making Aromatic Hydrocarbons

Description: Patent for an invention that relates to processes of making aromatic hydrocarbons, and comprises a method of producing lower boiling aromatic hydrocarbons.
Date: June 26, 1917
Creator: Alexander, Clive M.
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.
Partner: UNT Libraries Government Documents Department

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

Game.

Description: Patent for a "a game of skill, rather than a game of chance" (lines 11-12), albeit with elements of a game of chance, in the style of a carnival game. The game consists of a motorized, revolving model airplane and a circular arrangement of nets (one for each player); the airplane drops candy into the winning player's net.
Date: August 9, 1921
Creator: Auffurth, Erwin, Jr. & Hjerpe, Erick
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

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.
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

Book-Holding Device

Description: Patent for a book-holding device that will keep books open by holding back turned pages, with illustrations.
Date: April 20, 1920
Creator: Barry, David Redmond
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

Valve-Operating Mechanism

Description: Patent for Valve Operating Mechanism that includes "new and useful improvements" (lines 5-6), and "has for its primary object to provide a simple and efficient means for operating a valve at a distance" (lines 10-12).
Date: September 10, 1918
Creator: Baurens, Jean Marie, Jr.
Partner: UNT Libraries Government Documents Department

Refrigerating Machine.

Description: Patent for a refrigerating machine that works with a double jacketed brine cylinder with a self-contained expansion tank for the coolant. It is meant to provide cooling with small displacement of the cylinder, but with great circulation of the brine.
Date: December 31, 1918
Creator: Bell, Samuel R.
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
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