UNT Libraries Government Documents Department - 8 Matching Results

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Attachment For Surveying Instruments
Patent for attachment for surveying instruments. Illustrations included.
Crate or Box.
Patent for "a crate or box of knockdown form consisting of a crate or box made of separable sections and bound together by wires and stay-bolts that are loosely set into the sections" (line 11-16) including instructions and illustrations.
Drill
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.
Mining Sulfur.
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.
Reamer for Oil or Artesian Wells
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).
Shoe
Patent for a shoe that describes the benefit for shoe. Shoe control overall health well-being with its flexibility and support.
Valve For Oil Wells
Patent for a valve for oil wells. This invention is designed to control the flow of oil during drilling. Illustration included.
Wall And Floor Brace
Patent for wall and floor brace. Illustration included.
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