UNT Libraries Government Documents Department - 11 Matching Results

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Combined Rubber Dam and Tooth Backing Punch
Patent for a combined rubber dam and tooth-backing punch. "This invention relates to new and useful improvement in dental instruments and more particularly it has references to a punch for forming holes accurately in the backing which is used on teeth in construction of bridges, plates, and cognate work" (line 12-17). Illustration included.
Building Structure
Patent for building frame structures with interlocking timbers that allows for easy movement of the timbers to provide ventilation when needed.
Cleaning Mechanism for Tanks.
Patent for Cleaning Mechanism for Tanks.
Well-Drilling Machinery
Patent for a well drilling machine. Illustrations included.
Truck For Wood Preserving Retorts
Patent for a truck for wood preserving retorts. This "invention relates to a truck specially adapted for carrying articles which are to be moved on the truck into retorts, especially those constructed in cylindrical form" (lines 9-12). The truck is designed to permit large amounts of wood to loaded. Illustration included.
Swivel Connection
Patent for a swivel connection for pipe joints which does not require packing and allows each pipe to turn independently of the other.
Pump
Patent for a pneumatic pump that attaches to automobiles and fills up pneumatic tires and self-lubricates.
Pneumatic Flue Expander
Patent for a pneumatic flue expander. This invention allows for the ability to expand the ends of flue sheets of a steam or other boiler. Illustration included.
Hydrocarbon-Burner
Patent for a hydrocarbon burner and "it has for its special object to provide a burner of this class which shall be especially adapted for the consumption of crude oil." (line 9-12)
Fire-Extinguishing Apparatus for Wells.
Patent for a fire extinguishing apparatus for oil wells, which diverts the oil coming out of the well into a pipe where the the lack of air puts out any burning oil and which can be put in position from a safe distance from the fire.
Imitation Diamond
Patent for imitation diamond. This is an invention that relates to the creation of imitation gems from glass. Illustration included.
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