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Process for Refining and Purifying Oils.

Description: Patent for "processes for purifying oils, especially petroleum, and has for its object the removal of impurities and the neutralization of acids, and the reduction of the cost of refining oil by simplifying the process and reducing the length of time usually required for completing the purification" (lines 9-16).
Date: September 15, 1910
Creator: Lasher, David F.
Partner: UNT Libraries Government Documents Department

Oscillatory Engine.

Description: Patent for a new and useful oscillatory engine, including instructions and illustrations.
Date: February 27, 1900
Creator: Hutchison, Wilson Frank
Partner: UNT Libraries Government Documents Department

Saw-Swage

Description: Patent for " a certain new and useful Saw-Swage." (Lines 5-6) including illustrations.
Date: December 24, 1901
Creator: Davis, James E.
Partner: UNT Libraries Government Documents Department

Penholder Attachment

Description: Patent for an attachment for pen holders which acts as an extra supply of ink. Illustrations included.
Date: September 12, 1911
Creator: Harmon, James W.
Partner: UNT Libraries Government Documents Department

Toothed Bar For Log Turners

Description: Patent for toothed bar for log turners. Illustrations included.
Date: May 10, 1904
Creator: Edwards, Daniel R.
Partner: UNT Libraries Government Documents Department

Emergency Stop-Valve For Stopping Runaway Carriages In Sawmills

Description: Patent for an emergency stop valve for stopping runaway carriages in sawmills. This "invention is designed to provide a new and useful improvement in mechanism for stopping a runaway carriage in a sawmill, where the carriage is moved back and forth by a piston in a long cylinder" (lines 11-15). Illustration included.
Date: June 21, 1904
Creator: Edwards, Daniel R.
Partner: UNT Libraries Government Documents Department

Track Cleaner

Description: Patent for a device to clean tracks for sawmill carriages. Illustration included.
Date: May 21, 1907
Creator: Edwards, Daniel R.
Partner: UNT Libraries Government Documents Department

Sewer Connection.

Description: Patent for a sewer connection for houses, which can be turned on and off from the the main sewer system.
Date: November 1, 1910
Creator: McCorquodale, Wilmer E.
Partner: UNT Libraries Government Documents Department

Hose-Coupling.

Description: Patent for certain new and useful improvements in hose couplings, including instructions and illustrations.
Date: April 18, 1899
Creator: McCrory, John Alexander
Partner: UNT Libraries Government Documents Department

Temperature-Regulator

Description: Patent for "improvements in thermostatic devices for automatically regulating the temperature of lumber-driers" (lines 8-10).
Date: January 15, 1889
Creator: Lutcher, Henry J.
Partner: UNT Libraries Government Documents Department

Fire Extinguisher.

Description: Patent for a new and improved fire extinguisher. This design consists in "[t]he combination of the expansible rod, the sweep arm or lever pivotally connected thereto, the horizontal rod, the doors, the cord connected to said doors and to the rod and adapted to be disengaged from said rod by the sweep-arm, the steam-pipe provided with a cut-off valve, and the weight supported normally in an elevated position by the sweep-arm and adapted to be released thereby to open the valve" (lines 72-81).
Date: January 15, 1889
Creator: Lutcher, Henry J.
Partner: UNT Libraries Government Documents Department

Automatic Damper

Description: Patent for "an attachment for stove-dampers whereby said dampers will be automatically moved, in order that the fire may be maintained at a predetermined heat" (lines 9-13).
Date: January 31, 1888
Creator: Beauchamp, William A. J.
Partner: UNT Libraries Government Documents Department

Thermostatic Signal

Description: Patent for Thermostatic Signal. "The object of my invention is to provide a device whereby an alarm will be automatically sounded when the temperature of the drier has reached too high a point." (lines 13-16). With Illustrations.
Date: September 18, 1888
Creator: Lutcher, Henry J.
Partner: UNT Libraries Government Documents Department

Balanced Slide Valve.

Description: Patent for a new and improved balanced slide-valve. This design consists in a "Steam-chest, a valve sliding therein, a chamber on top of the steam-chest, and a diaphragm in the top of the chamber and secured by a cap or plate, in combination with a frame having a packing-box and gland, an adjustable threaded stem or bolt passing through the frame, and the double-link connection between the said stem and valve" (lines 90-97).
Date: October 12, 1886
Creator: Bettis, William Irvin
Partner: UNT Libraries Government Documents Department

Oil Can.

Description: Patent for a new and improved oil can. This design utilizes a handle with a hollow tube leading into the oil chamber, so when the removable cap is unscrewed from the handle, air flows into the chamber, which allows the oil to flow. This eliminates the need for a spring-bottom as with other oil cans, for the flow of oil can be stopped by sealing the tube.
Date: January 31, 1882
Creator: Wilson, Charles Bennett
Partner: UNT Libraries Government Documents Department

Kiln.

Description: Patent for improvements "to provide new and improved means for extinguishing accidental fires occurring within the kilns" (lines 8-10).
Date: January 14, 1890
Creator: Johnson, John H.
Partner: UNT Libraries Government Documents Department

Lubricant

Description: Patent for "a new and useful composition of matter to be used for the prevention of heat caused from friction and attrition in the use and operation of all kinds of machinery, including railroad engines and cars, and all parts thereof" (lines 5-9).
Date: July 16, 1889
Creator: Corder, William J.
Partner: UNT Libraries Government Documents Department

Furnace.

Description: Patent for "an attachment for the inner side walls of the furnace for the purpose of protecting and preserving the side walls at the points most exposed to the fire within the furnace." (Lines 14-18) Includes instructions and illustrations.
Date: March 10, 1896
Creator: Johnson, John H. & Moran, James
Partner: UNT Libraries Government Documents Department

Furnace.

Description: Patent for a furnace or a boiler with an improved metal back plate instead of the usual brick arch. The back plate has flanged sections bolted together, and asbestos between the sections of the plate.
Date: December 10, 1895
Creator: Moran, James
Partner: UNT Libraries Government Documents Department

Steam-Boiler.

Description: Patent for a steam-boiler that produces "a water-tube steam generator, which shall be simple in construction, easily repaired, interchangeable parts, and rapid and effective steaming qualities" (lines 16-19).
Date: August 7, 1894
Creator: Parker, Charles E.
Partner: UNT Libraries Government Documents Department

Steam-Engine Valve.

Description: Patent for a steam-engine valve that has an "improved rotary valve capable of feeding and exhausting one end of a steam-cylinder, and easily controlled and operated" (lines 18-20). This makes the engine easily controllable.
Date: September 17, 1895
Creator: Ford, Andrew H.
Partner: UNT Libraries Government Documents Department

Furnace.

Description: Patent for an improved furnace that can be "located at the side of the kiln or drying-house, which furnace shall be so constructed as to be simple, durable, and inexpensive, and the parts of which may be readily put together or separated, as may be desired" (lines 10-15).
Date: November 8, 1892
Creator: Johnson, John H. & Moran, James
Partner: UNT Libraries Government Documents Department

Improvement in Combined Dish and Clothes Washer.

Description: Patent for a combined dish and clothes washer that has a tilting shelf for draining, attached to the sink for washing.
Date: August 15, 1876
Creator: Jackson, Ansberry Chapman
Partner: UNT Libraries Government Documents Department

Improvement in Sawing-Machines.

Description: Patent for a new and improved pulley-operated, roller-fed log sawing machine
Date: May 24, 1873
Creator: Bell, George W. of Orange, Texas. ; Bell, G. W.
Partner: UNT Libraries Government Documents Department