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Penholder.

Description: Patent for a wooden holder for pen-points. The holder is designed to be constructed cheaply and permit the neat and clean insertion and removal of pen-points.
Date: October 13, 1903
Creator: Estes, John W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spring Wheel

Description: Patent for improvements on spring wheels especially those adapted for motor vehicles.
Date: November 22, 1911
Creator: Coble, Ernest L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gripping Device for Well-Boring Apparatus

Description: Patent for a gripping device for well-boring apparatus that allows the rotary gripping rings to be reversed and used as new when one side has been worn down completely including illustrations and instructions.
Date: June 15, 1915
Creator: Myers, George S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Engine Control

Description: Patent for a car part that goes on the engine to help control fuel supply, and to keep engine parts from burning up.
Date: May 29, 1915
Creator: Craddock, L.J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe-Tongs.

Description: Patent for improvement upon the use of chain tongs. The invention "permits the application of a very strong rotative force" (lines 11-12), "produce rotation of a pipe in either direction" (lines 17-18), and "provides a chain tong which will not crush the pipe..." (lines 22-23).
Date: May 12, 1914
Creator: McLeod, Rueben A., of Electra, Texas.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Drill-Collar.

Description: Patent for a new design for collars to be used on water-flushed rotary drills, including instructions and illustrations.
Date: March 16, 1915
Creator: Myers, George S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Steam-Generator.

Description: Patent for a new version of a steam generator that uses internal combustion of "all kinds of liquid fuel and gas" (line 25), and has an "automatically regulated in accordance with the steam pressure" supply of steam in the combustion and mixing chambers.
Date: December 19, 1916
Creator: Sands, George. H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Under-Drilling Bit.

Description: Patent for improvements in the design of under drilling bits in order to "reduce labor, time and expense of drilling" and "to permit the drilling of a more perfect hole" (lines 25-27), including illustrations and a description of the design.
Date: July 15, 1913
Creator: English, Harry White
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe-Pulling Device.

Description: Patent for a device for pulling pipes from wells without damaging the pipe, with a safety feature in case the pipe breaks.
Date: September 25, 1917
Creator: Osborne, William R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench for Rotary Well-Drills.

Description: Patent for a wrench designed to assist in working with rotary well drills. The wrench is adapted for unscrewing the coupling that attaches a drill point to a pipe section, as well as for detaching the pipe sections from one another. The advantage of the wrench is in allowing convenient detachment of the parts of a well drill quickly and efficiently.
Date: October 21, 1913
Creator: Lebus, George Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Elevator-Wrench

Description: Patent for an improvement in elevator wrenches. The device is meant to be used with rotary drilling machines for "supporting the drilling the drill pipe and for holding it from rotation during the releasing of the several joins of the pipe when it is necessary to withdraw the drill from the well hole."
Date: October 13, 1914
Creator: Lebus, George Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump

Description: This patent is for pumps. This patent allows for the pump barrel to be readily disengaged from its normal positive engagement with the well tube for removal from said tube for repairs or any other reason.
Date: March 19, 1918
Creator: Perry, Sherman V.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well Drilling Apparatus.

Description: Patent for an improved well-drilling apparatus. Improvements made to bull wheel shaft and the sand reel and casing line shaft so they may be operated independently of each other while utilizing the same source of power.
Date: January 14, 1919
Creator: Thorniley, Clarence W. & Thorniley, Charles, D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe-Tongs

Description: Patent for an improvement on the existing design of pipe tongs, the improvement will allow for one individual to hold the tongs, adjust the size around the pipes, and screw or unscrew the pipe alone. Previous designs required two or three individuals.
Date: March 9, 1920
Creator: Hill, Richard Dennie
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Measure for Oil-Wells.

Description: Patent for a device measuring the depth of oil and other wells by computing the distance preferably by the sand line or other line as it is let down from the earth's surface to the bottom of the well.
Date: May 21, 1918
Creator: Richardson, Robert B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fuel Rod Coupling

Description: Patent for a new type of fuel rod coupling, or "sucker rod," meant to increase the durability of pipes and rods used in drilling operations.
Date: June 3, 1919
Creator: Sheldon, W. J. & Allen, C. H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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