Texas Patents - 18,572 Matching Results

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Tunneling-Machine

Description: Patent for a horizontal tunneling machine comprised of two different drill mechanisms - an inner and an outer drill stem - that could be operated separately and at different speeds, and adjusted while the drills were running. The drills make use of the tricone drill bit invented by Hughes in 1909, and could drill through hard rock more effectively than previous mechanisms.
Date: unknown
Creator: Hughes, Howard Robard
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Partner: UNT Libraries Government Documents Department

Valve

Description: Patent for an improved valve that will allow oil-burning locomotives to be controlled effectively under any circumstance.
Date: unknown
Creator: Trainer, Thomas Edgar
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Partner: UNT Libraries Government Documents Department

Valve

Description: Patent for a valve. Illustrations and detailed written description of patent.
Date: unknown
Creator: Milton, John Foy
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Partner: UNT Libraries Government Documents Department

Vehicle-Wheel.

Description: Patent for Vehicle Wheel. "Our invention relates to new and useful improvements in vehicle wheels. Its object is to provide a vehicle wheel, specially adapted for use upon automobiles, equipped with a substitute for the pneumatic tire, of cheaper and more lasting construction than such a tire" (lines 9-15).
Date: unknown
Creator: Wylie, Alfred R. & Wright, James G.
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Partner: UNT Libraries Government Documents Department

Vehicle Wheel

Description: Patent for the improvement of the vehicle wheel utilizing coiled springs to in such a way that it reduces shock and force. The goal is to eliminate the need for pneumatic tires. Detailed description and illustrations included.
Date: unknown
Creator: Wright, James G. & Wylie, Alfred R.
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Partner: UNT Libraries Government Documents Department

Weather-Strip

Description: Patent for weather-strip. The device is attached to windows/ doors and prevents moisture from entering the structure. The device creates a seal between the outside and inside environments which prevents other forms of moisture getting under the doors and windows.
Date: unknown
Creator: Cross, Ralph Waldo
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Partner: UNT Libraries Government Documents Department

Well-Screen.

Description: Patent for improving well screens used in tubes for water or oil wells, with illustration. This describes how to secure its place within the tube.
Date: unknown
Creator: Layne, Lloyd F.
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Partner: UNT Libraries Government Documents Department

Well-Washer

Description: Patent for a well washer that has a pair of packets formed from fabric and arranged to expand against the casing by pressure of the cleaning fluid before its delivery to the washer pipe.
Date: unknown
Creator: Crotto, Frank E.
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Partner: UNT Libraries Government Documents Department

Whiffletree

Description: Patent for improving whiffletrees in how they connect to wagons to provide ease and strength in hooking up chains. Detailed descriptions and illustrations included.
Date: unknown
Creator: Martin, T.
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Partner: UNT Libraries Government Documents Department

Wire Stretcher

Description: Patent for a device that improves "wire-stretchers, but also adapted to be used for other purposes" (lines 15-19) including instructions and illustrations.
Date: unknown
Creator: Calhoun, Albert C.
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Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for the wrench. "The object of the invention is to provide a wrench which will be readily adjustable so as to fit nut of any size and one which will be held securely on the nut securely on the nut when engaged thereon" (lines 10-14).
Date: unknown
Creator: Weatherly, George B.
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Partner: UNT Libraries Government Documents Department
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