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Appliance for Protecting Oil-Wells from Fires.

Description: Patent for an appliance for protecting oil-wells from fires. As stated within the patent, "this invention relates to certain new and useful improvements in appliances for protecting oil-wells from fires; and to this end it consists of the novel combination and arrangement of parts hereinafter more specifically described in the accompanying drawings, and particularly pointed out in the claims herein appended" (Lines 9-16).
Date: March 11, 1902
Creator: Cochran, James M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ellis County

Description: Blue line print of survey map of Ellis County, Texas, showing rivers, creeks, original land grants or surveys, cities, towns, oil and gas wells, drilling locations, and railroads. A legend indicating producing wells, drilled wells, gas wells, and abandoned wells is included in the lower-right corner of the map. Scale [ca. 1:177,778] (4000 varas to 3/4 of an inch).
Date: [1900..1925]
Item Type: Refine your search to only Map
Partner: Hardin-Simmons University Library

Well Mechanism

Description: Patent for a well mechanism that provides a coupling with strong, tight joints for the other parts of the mechanism. Illustrations included.
Date: January 26, 1909
Creator: Layne, Mahlon E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Blower

Description: Patent for a well blower that is able to discharge the contents of a well at different air pressure levels. Illustrations included.
Date: December 15, 1908
Creator: McEvoy, Joseph H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Strainer.

Description: Patent for a well strainer, which is cheaper to make than previous ones without reducing efficiency.
Date: June 16, 1908
Creator: Brown, Arthur M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Drilling Machine

Description: Patent for a well-drilling machine that is simple, compact and effective with general improvements over other models.
Date: May 15, 1906
Creator: McAfee, Claude M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hydraulic Swivel

Description: Patent for a hydraulic swivel made to control back pressure and designed to be resistant to wear. Illustrations included.
Date: December 10, 1907
Creator: Johnston, Horace G. & Norris, Joseph B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for a well pump. Illustrations included.
Date: December 22, 1908
Creator: De Hymel, Leo Blake
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Check-Valve

Description: Patent for a valve used for well drilling designed to be confine fluid around the pipe. Illustrations included.
Date: September 28, 1909
Creator: Kreiter, Richard F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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