Texas Patents - 12 Matching Results

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Calculator.

Description: Patent for a calculator "in which a bar having a series of numbers thereon slides in a frame or base also provided with a series of numbers" (lines 10-12). It is meant for quickly adding numbers.
Date: October 13, 1896
Creator: Copeland, Wesley Albert & Roberts, Cyrus
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Partner: UNT Libraries Government Documents Department

Car-Door Cleat and Fastener.

Description: Patent for "a simple and comparatively-inexpensive car-door cleat and fastener designed for use on cars for transporting cotton and other highly-inflammable merchandise and capable of effectually excluding sparks from the interior of the car and of preventing the same from entering between the edge of the door and the doorway." (Lines 11-18) Includes instructions and illustrations.
Date: October 22, 1895
Creator: Woodruff, Hawkins
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Partner: UNT Libraries Government Documents Department

Cattle-Guard

Description: Patent for a cattle guard to prevent cattle from treading upon railroad tracks. Illustrations included.
Date: October 25, 1910
Creator: Reed, Conwell P.
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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
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Partner: UNT Libraries Government Documents Department

Flower-Pot.

Description: Patent for a new flower pot with metal siding and a removable bottom, including illustrations.
Date: October 19, 1897
Creator: Simpson, McDuff
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Partner: UNT Libraries Government Documents Department

Force-Pump.

Description: Patent for a simple, inexpensive, and efficient double action force pump that has one cylinder and one plunger. It also equalizes the opposite strokes of the plunger, and pushes water into the common chamber with both strokes.
Date: October 2, 1894
Creator: Thompson, John W.
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Partner: UNT Libraries Government Documents Department

Insect-Destroyer.

Description: Patent for an insect destroyer, specifically made for the boll weevil insect. The purpose of the Insect-Destroyer is to provide a cheaper, simpler, and more convenient alternative to the existing boll weevil insect destroyers.
Date: October 30, 1917
Creator: Clement, Auther H.
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Partner: UNT Libraries Government Documents Department

Non-Freezing Connection for Tanks

Description: Patent for a valve for water tanks that prevents the water from freezing by taking in water from the central portion. Illustrations included.
Date: October 18, 1910
Creator: Miller, Charles Hector & Bunnell, Walter Alex
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Partner: UNT Libraries Government Documents Department

Stalk Breaker

Description: Patent for breaking cotton stalks. This device is designed to break down cotton stalks while sparing stalks of growing young wheat. Illustration included.
Date: October 27, 1908
Creator: Shaw, Drury P. & Tackaberry, W. J.
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Partner: UNT Libraries Government Documents Department

Steam Cotton-Baling Tamper.

Description: Patent for improvements in steam cotton-baling tamper by automating the tamping process and the feed of cotton to the baling hopper. Illustration is included.
Date: October 7, 1913
Creator: Walker, Jackson Lamar
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Partner: UNT Libraries Government Documents Department
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