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in place name: "United States - Texas - Wichita County - Burkburnett"  
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Vacuum-Regulator for Oil-Pumps.

Description: Patent for vacuum regulator for oil pump. This device is simply constructed and easy to operate. It is an automatic cut-off in the vacuum of the pipe line to the pump.
Date: March 12, 1918
Creator: Hobb, James W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Underreamer.

Description: Patent for an underreamer with improved construction and increased operating efficiency; including illustrations.
Date: December 9, 1913
Creator: Wagner, Warren
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gripping Tool

Description: Patent for improvements to gripping tools for tubing and other round objects with illustrations.
Date: September 26, 1919
Creator: Drake, Charles W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe-Tongs.

Description: Patent for "a new and useful improvement in pipe-tongs" (lines 5-6) including illustrations and instructions.
Date: July 21, 1914
Creator: Meredith, John De Witt
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Device for Recovering Tools from Wells.

Description: Patent for a device to lift and recover tools, such as drill-bits, that have been dropped or lost in wells. The device features two prongs that may be engaged to grip or secure in a "biting hold" (line 50) various objects, illustrations included.
Date: September 9, 1919
Creator: Scott, Augustus B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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