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in subjects: "Business, Economics and Finance - Mining"  
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Well-Auger.

Description: Patent for a well-boring auger is designed to improve the drilling process by multi-functional features of the auger that can be placed inside of a well-casing to cut a hole or can be used itself to cut through the casing.
Date: November 3, 1903
Creator: Hutchins, Charles N.
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Partner: UNT Libraries Government Documents Department

Pneumatic Jet for Conveyers

Description: Patent for a pneumatic jet that uses steam jets to provide power for various tasks such as distributing seed cotton or elevating coal. Illustrations included.
Date: September 21, 1909
Creator: Rice, Earley W.
Item Type: Refine your search to only Patent
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
Item Type: Refine your search to only Patent
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
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Partner: UNT Libraries Government Documents Department

Separating-Table

Description: Patent for a separating table for separating pulverized ore or other material "into its constituent elements" (lines 14-15).
Date: September 8, 1908
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Self-Dumping Cage for Hoisting Coal, & c., from Mines.

Description: Patent for improvements in self-dumping cage for hoisting coal or other minerals by first provide a simple and easily-controlled dumping mechanism which can be set at bottom of shaft; second, to secure a positive action of the dumping mechanism and reduce the shock and strain commonly incident to the operation of self-dumping cages; third, to provide a firmer and more easily operated dog for holding car on cage-platform. (Lines 15-22) Illustration is included.
Date: June 25, 1901
Creator: Burdic, Malvern W.
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Partner: UNT Libraries Government Documents Department

Process of Magnetically and Statically Treating Ores

Description: Patent for "a process for magnetically and statically treating ore to separate the valuable metal therefrom during its passage through a single machine" (lines 11-14). In particular, the treatment helps to remove magnetic particles that have sharp corners or points that may interfere with other processes.
Date: November 25, 1902
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

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.
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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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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