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Safety-Clamp.

Description: Patent for safety clamp "designed with special reference to supporting well-tubing in place in shallow or deep wells" (lines 8-10).
Date: November 11, 1902
Creator: Treadwell, Cornelia E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Double-Action Pump

Description: Patent for "double-action submerged force-pumps which can be operated by any suitable power, but particularly adapted for operation by windmills provided with variable gearing...simple in construction and strong and durable and in which there are no parts which can be disarranged during operation and from which all valves may be removed without disturbing the pipe and which will maintain a continuous flow of water during operation."
Date: October 21, 1902
Creator: Byars, Edgar
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hose-Coupling.

Description: Patent for hose couplings which "may be very quickly and effectively placed in engagement with and held upon the nozzle of a hydrant, thus making the device very available for fire-hose" (lines 10-14).
Date: October 7, 1902
Creator: Dolen, Felix P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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