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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

Traction-Support.

Description: Patent for a traction board for placing under automobile wheels when stuck in sand or mud, and hanging device for carrying the boards when not in use.
Date: December 27, 1921
Creator: Gentry, Burney C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Method of Sampling.

Description: Patent for improving methods of boring wells by "raising the cuttings from an earth boring drill to the surface" (lines 70-71), including illustrations.
Date: July 20, 1920
Creator: Carmichael, Robert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sulfur-Mining

Description: Patent for improvement on sulfur mining by which "sulfur is fused by a heated fluid forced down into the well to the vicinity of the sulfur deposit and when so fused the sulfur is forced to the surface of the ground through a return pipe" (lines 14-18).
Date: December 17, 1918
Creator: Carmichael, Robert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sulphur-Mining Apparatus.

Description: Patent for a thermal solvent based sulfur mining apparatus that is placed in a sulfur mining well. Utilizing thermodynamics, the apparatus has a new way to introduce air or steam into the various parts of the apparatus. It is designed with "simplicity and durability of construction" (lines 49-50).
Date: December 17, 1918
Creator: Carmichael, Robert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Support for Wire Fences.

Description: Patent for improvements to supports for wire fences, so that wooden posts and other supplemental devices are not necessary. Includes instructions and illustrations.
Date: February 23, 1892
Creator: Weeks, Frank B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hanging Millstones.

Description: Patent for improvement of hanging millstones using a driver to hang the runner of a pair of millstones, “as it rotates, adjust itself to the position of the stationary stone, and the parallelism of the faces of the two stones be preserved whether the stationary one be perfectly horizontal or not” (lines 19-24), including illustration.
Date: May 29, 1860
Creator: Dance, G. P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for a water pump. Illustration included.
Date: March 22, 1904
Creator: Park, Henry Jackson & Darrough, Rufus Clark
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rail Connection

Description: Patent for a rail connection. This invention consists of heavy fish-plates and screw bolts that are supported between adjacent cross ties
Date: January 4, 1910
Creator: Grass, Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for rotary pump designed to counterbalance thrust at each step by a "series of lifting-wheels mounted upon a common shaft" (lines 10-11) in order to minimize wheel thrust.
Date: October 22, 1901
Creator: Baker, Josheph W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe-Wrench.

Description: Patent for the improvement of pipe wrenches necessary for use in well drilling or other circumstances where a wrench of strong construction is needed. This patent provides for a pipe wrench that can be easily adjusted to fit pipes of differing sizes and is easily manipulated for use regardless of direction.
Date: December 9, 1919
Creator: Carmichael, Robert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil-Burner.

Description: Patent for oil burners that is designed specifically for burning crude fuel oil that also has improved construction that centers the spray head with the burner head.
Date: September 7, 1920
Creator: Booker, William B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oar Lock Attachment.

Description: Patent for an oar-lock attachment that allows the oar to be removed but not easily disconnected, using a hook on the oar with a spring plate and an eye on the boat gunwale, with illustrations.
Date: December 20, 1892
Creator: Livingston, Joseph R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rowing Appliance.

Description: Patent for a rowing appliance, which allows the oarsman of a boat to face toward the bow and see where the boat is traveling.
Date: August 11, 1908
Creator: James, William Francis
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe-Cutter

Description: Patent for improved pipe cutters that indicate when a pipe has been completely severed inside of a well
Date: May 11, 1920
Creator: Wright, John F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Harvester

Description: Patent for an improved cotton harvester for the purpose of increased efficiency, with illustrations and explanations.
Date: August 13, 1918
Creator: Stark, Alvin E. & Garrett, Myers A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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