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Apparatus for Sulfur Mining

Description: Patent for "new and useful improvement" for sulfur mining by Mr. Robert Carmichael. This device has particular application for mining in subterranean environments, "by use of pumping a heated fluid down into contact with a sulfur strata" (lines 14-15).
Date: December 9, 1919
Creator: Carmichael, Robert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Barrel Support

Description: Patent for "certain new and useful improvements in Barrel Supports (lines 5-6)."
Date: April 2, 1918
Creator: Taylor, Charles E. Jr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Insecticide

Description: Patent for an insecticide specifically for insects that burrow into the shucks of corn. "The general object of my invention is to provide a compound capable, when affected by moisture incidental to the sweating of the corn in the crib, of generating a poisonous gas which will permeate the shucks and reach and destroy the insect within the shucks, where it cannot be destroyed by simply sprinkling the corn with a poisonous powder or solution" (lines 17-25).
Date: September 13, 1892
Creator: Carter, Joseph John
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Partner: UNT Libraries Government Documents Department

Improvements in Oil-Burners

Description: Patent for improvements to oil-burners. The text contains a description of the unique improvements and is accompanied by explanatory illustrations.
Date: August 21, 1917
Creator: Harrington, Edward A
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wheel.

Description: Patent for a new and improved wheel. This design "relates to improvements in that class of expanding wheels in which the hub is provided with an inclined abutment, on which the inclined ends of the spokes rest, the said spokes being clamped in position and adjusted on the abutment by clamping collars; and the invention consists in the peculiar construction and arrangement of parts" (lines 8-15).
Date: August 11, 1885
Creator: Mecham, George Wate
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Life-Boat.

Description: Patent for an improved life boat that "consists principally of a central closed hull equipped with propelling machinery, and floats extending on the sides of the said hull and rigidly secured thereto, to support the hull in position." (Lines 12-16) Includes instructions and illustrations.
Date: September 1, 1896
Creator: James, William F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Two-Piece Box.

Description: Patent for certain new and useful improvements in two piece boxes, including instructions and illustrations.
Date: November 28, 1899
Creator: Armstrong, Martin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tread for Pneumatic Tires.

Description: Patent for an improvement in treads for pneumatic tires "to prevent excessive wear or puncture of the parts of the tire constituting the tread portion" (lines 12-14).
Date: September 30, 1919
Creator: Twombly, Royal W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Bee-Hives.

Description: Patent for a bee-hive that prevents insects (such as moths) from entering therein and maximizes the amount of honey collected from the hive, including a detailed explanation and description of the illustration.
Date: March 5, 1878
Creator: Park, Jesse W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hunting-Knife.

Description: Patent for a new and useful improvement in hunting knives, including instructions and illustrations.
Date: September 5, 1899
Creator: Shelton, William J.
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Partner: UNT Libraries Government Documents Department

Portable Irrigation System.

Description: Patent for an improved portable irrigation system that can be moved as one whole irrigation system and be able to water larger fields or territory, including illustrations.
Date: June 13, 1916
Creator: Libby, Harry T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oyster-Opener.

Description: Patent for an oyster opener that opens an oyster in a single operation of the device while simultaneously cutting the oyster from its shell.
Date: August 26, 1913
Creator: Schmidt, Heinrich Fritz
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Neck Yoke

Description: Patent for neck yokes, particularly for hogs, but not made especially for hogs.
Date: December 5, 1916
Creator: McClure, Cicero F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Milk-Cooler.

Description: Patent for improvements in the construction of water evaporation milk-coolers to make them more easily taken apart and arranged for shipping and preventing ants from entering the device and getting in the milk. Descriptions of the parts of the device and illustrations are included.
Date: June 10, 1902
Creator: Whaley, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Process of and Apparatus for Extracting Crystallized Sugar from Bagasse.

Description: Patent for a new and improved extractor of crystallized sugar from bagasse. This design "is to save a percentage of [the] loss in the [sugarcane] juice, and also to secure a part, if not all, of the crystallized sugar from the refuse or bagasse or from any other plant producing saccharine matter. To that end [the invention] subject[s] the bagasse to a process which extracts the remaining juice and the crystallized-sugar by suction and atmospheric pressure" (lines 13-21).
Date: February 19, 1884
Creator: Yale, Thomas Blossom
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Post-Driver.

Description: Patent for a machine that drives posts and "can be placed on the running gear of a vehicle in such a manner that it can be readily adjusted to operate on posts at either side of the longitudinal axis of the vehicle" (lines 14-18). It can be easily adjusted and is simply constructed.
Date: April 18, 1893
Creator: Harris, Stephen G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump-Strainer.

Description: Patent for a pump-strainer that cleans and separates water or other liquid that is drawn from wells or reservoirs.
Date: May 28, 1895
Creator: Durant, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a new and improved design for pumps as they are used in deep wells. New design meant to prevent sand from entering machine between the working barrel and plunger.
Date: February 1, 1919
Creator: Carmichael, Robert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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