Texas Patents - 7 Matching Results

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Casing Spear

Description: Patent for casing spears. This invention is designed for pulling well tubes or casings that have broken off out of the well. Illustration included.
Date: August 25, 1908
Creator: Carroll, Monroe W. & Johnston, H. G.
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Partner: UNT Libraries Government Documents Department

Fusible Plug.

Description: Patent for a fusible plug for steam boilers in trains that can be easily replaced without the boiler stopping its production.
Date: January 21, 1908
Creator: Hacker, Louis Paul
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Partner: UNT Libraries Government Documents Department

Heater.

Description: Patent for a heater powered by oil, which provides uniform heating of rooms, uses as little oil as possible to maintain heat, and does not get soot on objects in the room it is in.
Date: January 21, 1908
Creator: Callihan, Willie H.
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Partner: UNT Libraries Government Documents Department

Street-Pavement

Description: Patent for a street paving material made from limestone, limestone dust, and crude oil with layers of crushed rock in between which is waterproof and durable.
Date: June 9, 1908
Creator: Walsh, John M.
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Partner: UNT Libraries Government Documents Department
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