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Float Valve

Description: Patent for improvements on float valves that will "resupply the tank with water when it is withdrawn to a certain lower level and also operate to cut off the inflow when the water will have reached a predetermined height in the trough" (lines 14-18).
Date: October 21, 1902
Creator: Mayfield, Jess Lewis
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Float-Valve.

Description: Patent for improved float valve. This patent is especially adapted for use in water tanks and other receptacles for providing water for stock or for any other purposes.
Date: July 13, 1915
Creator: Sharp, Harry Q.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Railroad or Farm Gate.

Description: Patent for an improved automatic railroad or farm gate that uses the "weight of the car or wagon upon an operating-board and automatically close[s] after the train has passed, and which can also be opened by hand when it is desired to let a single person pass through, either upon foot or horseback" (lines 20-25).
Date: October 4, 1892
Creator: Benson, Joseph Robinson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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