UNT Libraries Government Documents Department - 12 Matching Results

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Pump

Description: Patent for pump that has "a valve chest which is formed of a single casting removably mounted on the pump cylinder, and carrying all the valves of the pump."
Date: October 24, 1916
Creator: Black, Lee J.
Item Type: Refine your search to only Patent

Road-Machine.

Description: Patent for "a machine for resurfacing roads or preparing new roads" (lines 9-10). Machine includes an adjustable scraper to aid in leveling of the roadway and compresses the edges of the roads using drags or shoes. The machine is adaptable to aid in road construction "depending upon the nature and condition of the road's surface" (lines 16-17).
Date: October 24, 1916
Creator: Dean, William A.
Item Type: Refine your search to only Patent

Cell Tester

Description: Patent for a portable device that can test battery cells to determine if they are outputting the normal current, of if voltage has dropped.
Date: October 24, 1916
Creator: Luthy, Joseph O.
Item Type: Refine your search to only Patent

Scoop

Description: Patent for a self adjusting scoop, that can be used to measure quantities of items such as grain, and contains the component of a self leveler for accuracy.
Date: October 24, 1916
Creator: Read, William W.
Item Type: Refine your search to only Patent

Washboard.

Description: Patent for a washboard, with improvements to the conventional washboard such as "having a scrubbing surface formed of transversely arranged, longitudinally twisted wires, which (...) have their ends cleated to the board which prevent displacement" (lines 15-19), including illustrations.
Date: October 24, 1916
Creator: Butler James. F.
Item Type: Refine your search to only Patent
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