7 Matching Results

This system will be undergoing maintenance June 27th between 9:00AM and 12:00PM CDT.

Search Results

Flush Valve

Description: Patent for flush valve that stabilizes the cup or trough housing mercury.
Date: November 7, 1916
Creator: Cahill, Thomas J.
Partner: UNT Libraries Government Documents Department

Valve

Description: Patent for a valve for the improvement of flushing water in tanks. Development and use are within text; includes illustrations to demonstrate the object of the patent.
Date: November 13, 1917
Creator: Cahill, Thomas J.
Partner: UNT Libraries Government Documents Department

Switch.

Description: Patent for a multiple point switch that may be connected to a standard light socket.
Date: November 19, 1918
Creator: Kilmer, Edward J.
Partner: UNT Libraries Government Documents Department

Train Control System

Description: Patent for an improved train control system that will help to stop train movement when approached b another train or vehicle on tracks within a predetermined or dangerous distance. It is intended to cause a signal that will allow the train engineer to both opportunity and warning in time to apply brakes and stop. The design also enhances the utility and efficiency of the train control system.
Date: November 9, 1915
Creator: Smith, S. G.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen