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Core-Drill.

Description: Patent for a core drill for making bore holes in rocks to get out solid samples of the inside of rocks, which has an improved grabbing method for retrieving the piece of rock inside the hole.
Date: August 3, 1909
Creator: McLoughlin, Malacha J. & Wynn, John S.
Partner: UNT Libraries Government Documents Department

Apparatus for Sizing Ores or for Other Uses

Description: Patent for an apparatus for sizing ores. This invention is to "accomplish and accurate or approximately accurate sizing or classification of ores or granular materials in a rapid and thorough manner and with as large a capacity as possible" (line 15-19) illustrations included.
Date: June 23, 1903
Creator: Swain, Seth Russell
Partner: UNT Libraries Government Documents Department

Elevator-Guide

Description: Patent for an elevator guide to be used for safety elevators used in mines. Illustrations included.
Date: December 29, 1908
Creator: Martini, Henry
Partner: UNT Libraries Government Documents Department

Electromagnetic Ore-Separator.

Description: Patent for an electromagnetic ore separator, which reduces the risk of any valuable particles falling with the waste mineral material below the magnetic surface.
Date: February 16, 1909
Creator: Charlton, Thomas
Partner: UNT Libraries Government Documents Department

Dry Ore-Concentrator.

Description: Patent for a dry ore concentrator with illustrations included.
Date: November 25, 1902
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
Partner: UNT Libraries Government Documents Department

Air-Lock for Mines and Tunnels

Description: Patent for an air lock to remove water, polluted air, and heat from mines and tunnels and force in fresh air. Illustrations included.
Date: September 8, 1908
Creator: Durack, Partick H.
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for a simple and inexpensive car-coupling that improves on the pin-and-link car-couplings and "will be capable of coupling automatically and which may be readily uncoupled without going between cars" (lines 13-15). After the car has been separated, this coupling automatically puts its parts in position to be re-coupled. It also enables a "flying kick" to be transmitted to the car.
Date: November 24, 1896
Creator: Lee, Charles
Partner: UNT Libraries Government Documents Department

Bit for Well-Drilling Apparatus.

Description: Patent for an expansion bit for a well-drilling apparatus that can be "adjusted and removed without without withdrawing the well tubing, and to provide means whereby a bit capable of drilling a hole sufficiently larger than the well tubing to accommodate a casing may be introduced through the tubing" (lines 11-16).
Date: April 3, 1894
Creator: Horton, Stephen A.
Partner: UNT Libraries Government Documents Department

Drill.

Description: Patent for a simple, durable, and effective drill that "automatically expand[s] in the bottom of the well below the tubing, to cut a hole sufficiently large for the tubing without requiring a second drilling or reaming process" (lines 11-15).
Date: September 25, 1894
Creator: Lindholm, Charlie M.
Partner: UNT Libraries Government Documents Department

Caisson-Driver.

Description: Patent for an improved machine that sinks caissons into gravel or mud in order to make a foundation for breakwater, jetty, bridge, or similar purpose. It applies continuous and heavy pressure to the caisson during operation, and "is provided with a jet apparatus to force the sand and mud from within the caisson and cause it to settle around the outer portion of the same, thus holding it firmly in place, and which in general enables a caisson foundation to be laid with great facility and in a su… more
Date: April 4, 1893
Creator: Perrenot, Theodore F.
Partner: UNT Libraries Government Documents Department

Earth-Auger.

Description: Patent for a device that drills into the ground and lifts the contents into a metal container. The hand-operated device also has wings that expand to let the user know when to empty the contents.
Date: April 10, 1917
Creator: Phillips, Dave T.
Partner: UNT Libraries Government Documents Department

Double Stroke Pumping Jack

Description: Patent for a double-stroke pumping jack with two pistons in the same cylinder "to discharge a steady stream of water therefrom" (line 12-13). This invention allows the pipe cylinder and pistons to be easily removed for repairs or cleaning.
Date: March 16, 1915
Creator: Winterborne, William H.
Partner: UNT Libraries Government Documents Department

Drill-Support.

Description: Patent for "new and useful Improvements in Drill-Supports, of which the following is a specification. This invention relates to drilling apparatus, and more particularly to an apparatus of this character for use in coal or other mines for boring or drilling holes for blasting charges and other purposes" (lines 6-13).
Date: November 23, 1915
Creator: Williams, Benjamin F. & Mayfield, James W.
Partner: UNT Libraries Government Documents Department

Belt Lifter for Bull Wheels

Description: Patent for belft lifters for bull wheels for providing "a simple and efficient belt manipulating device peculiarly adapted to be used in connection with bull wheels of well drilling machinery" (line 11-14).
Date: March 23, 1915
Creator: Edward Peterson
Partner: UNT Libraries Government Documents Department

Rod-Lifting Tool.

Description: Patent for a gripping device for large metal rods.
Date: April 24, 1917
Creator: Miller, John M.
Partner: UNT Libraries Government Documents Department

Apparatus for Separating Liquids in Emulsion.

Description: Patent for improved apparatus for separating liquids in emulsion (relates to improved apparatus for separating one liquid from another) when found in emulsion and has especial reference to means for rapidly and effectually dehydrating petroleum oil emulsion.
Date: May 27, 1919
Creator: McKibben, Charles W.
Partner: UNT Libraries Government Documents Department

Automatic Gas-Release Packer.

Description: Patent for automatic gas release packer that uses constant pressure regulated by spring-controlled valves for better control when lifting oil out of wells.
Date: April 11, 1922
Creator: Cummings, William J.
Partner: UNT Libraries Government Documents Department

Drill-Cutter.

Description: Patent for new and improved drill cutter for rotary boring drills including exact description and illustrations.
Date: November 4, 1919
Creator: Godbold, Louis A. & Fletcher, Harold W.
Partner: UNT Libraries Government Documents Department

Casing-Pulling Device.

Description: Patent for providing a casing pulling device of simple, compact and durable construction that will permit it being lowered into a well casing without being obstructed in its descent by irregularities or bends in the casing so as to ensure proper operation.
Date: 192X
Creator: Carter, George W. & Hayden, R.B.
Partner: UNT Libraries Government Documents Department

Classifier and Separator.

Description: Patent for classifiers and separators used in mining to separate solids and liquids in the tank. It allows for easy removal and replacement of parts as they wear.
Date: March 19, 1918
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Process For The Reduction Of Iron And Lead Ores.

Description: Patent for a process that reduces iron and lead ores. This is done through two distinct combustion processes, the first of which converts the fuel and oxygen into carbon dioxide and the second process which produces carbon monoxide, that can produce iron or steel of different grades.
Date: June 14, 1921
Creator: Anderson, Robert J.
Partner: UNT Libraries Government Documents Department

Core-Discharge Apparatus.

Description: Patent for an Improvement in Core-Discharge Apparatus. It is meant to be used in connection with core drills in well or mine drilling. This improvement is meant to be carried to the surface by an air-lift pump.
Date: October 1, 1918
Creator: Carhichael, Robert E.
Partner: UNT Libraries Government Documents Department

Frame for Jaw Crushers

Description: Patent for "new and useful Improvements in frames for Jaw-Crushers (lines 8-9) including illustrations.
Date: March 25, 1919
Creator: Easton, William B. & Cole, David
Partner: UNT Libraries Government Documents Department
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