UNT Libraries Government Documents Department - 5 Matching Results

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Improvement in Brick-Machines.

Description: Patent for the improvement of brick-machines, consisting in the arrangement, with the molds, of one or more valves of flood-gates in the bottom of the pugmill, for the purpose of controlling the flow of the clay into the molds, and a roller and knife upon each side of the mill for pressing the clay into the molds and dressing the tops of the bricks. It includes a description and illustration.
Date: July 16, 1872
Creator: Houghton, Gideon H.
Item Type: Refine your search to only Patent

Earth-Auger.

Description: Patent for an earth-auger that is more effective than other augers and can be constructed to make different sized holes. It is operated by moving two blades back and forth.
Date: April 16, 1895
Creator: Smith, Wiston Allin
Item Type: Refine your search to only Patent

Stalk-Cutter.

Description: Patent for "an improved stalk cutter and has for its primary object to provide a very simple, durable, and serviceable device of this character which may be advantageously employed for cleaning a field of corn stalks as the same is plowed." (lines 9-15) including instructions and illustrations.
Date: March 16, 1915
Creator: Carnes, Dudley Don
Item Type: Refine your search to only Patent
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