UNT Libraries Government Documents Department - 6 Matching Results

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Electrical Tank-Gage.

Description: Patent for tank gages that use an electrical indicator to show fluid levels and waste that settles at the bottom of the tank.
Date: November 8, 1921
Creator: Bartlett, Ernest C. & Allison, Joseph, E.

Explosion-Hatch for Oil-Tanks.

Description: Patent for useful and new improvements in explosion hatches for oil tanks. This product specifically provides a hatch on the oil tank which will permit the escape of combustion gasses through the hatchway. It does so without damage to the hatch, case, or the tank. This provides additional safety and security for the operator.
Date: November 8, 1921
Creator: Hull, Burton E.

Stock-Guard.

Description: Patent for certain new and useful improvements in stock guards, including instructions and illustrations.
Date: November 8, 1898
Creator: Lee, Jacob M.

Well-Screen

Description: Patent for a well screen which allows water to flow through easily while stopping any other items from going through into the well.
Date: November 8, 1910
Creator: Decker, Harry R. & Houk, Russell W.

Well-Screen

Description: Patent for a durable well screen with a wide area.
Date: November 8, 1910
Creator: Decker, Harry R.
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