UNT Libraries Government Documents Department - 4 Matching Results

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Drill

Description: Patent for a drill and reamer for the use of drilling deep wells. "This invention consists of a tool combining a drill-point and a reamer, the point penetrating the formation and the reamer following and rendering the sides of the bore smooth and in conjunction with the body directing the drill in a straight or true course" (lines 5-10). Illustrations included.
Date: September 8, 1903
Creator: Higgins, Pattillo
Item Type: Refine your search to only Patent

Feed-Trough.

Description: Patent for improvements in feed-troughs in which a controlled amount of feed can be placed in a feed box, and in which the latter will be fed as rapidly as consumed and the unconsumed feed will be protected. (Lines 11-14) Illustration in included.
Date: September 8, 1891
Creator: Webb, William James
Item Type: Refine your search to only Patent

Mining Sulfur.

Description: Patent for extracting sulfur that is being mined from the stratum that has the minerals. A fluid medium, such as air or a heated liquid, is forced into the stratum which assists with the elevation of the liquid mineral. As the minerals come up the heated tubes, the liquefied minerals are sent into vats.
Date: September 8, 1903
Creator: Higgins, Pattillo
Item Type: Refine your search to only Patent

Reamer for Oil or Artesian Wells

Description: Patent for "a reamer of novel construction for enlarging the bore or opening of a well when it is required to increase the diameter to receive the casing or for other purpose. The reamer combines a head and a guide, the latter entering the bores, so as to steady and give proper direction to the tool and also prevent the cuttings entering and filling the bore during the process of enlargement" (lines 9-18).
Date: September 8, 1903
Creator: Higgins, Pattillo
Item Type: Refine your search to only Patent
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