UNT Libraries Government Documents Department - 20 Matching Results

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Cattle Guard

Description: Patent for a cattle guard. "This invention is a cattle guard having transverse drainage conduits with overhanging plates and so proportioned that the foot of an animal will be projected into the conduit" (lines 13-17). Illustration included.
Date: June 26, 1906
Creator: Lee, Jacob Martin

Cultivator.

Description: Patent for a cultivator, by William J. Gillentine. It provides a means to adjust cultivator shovel-gangs relative to each other. Includes a lever-and-ratchet mechanism.
Date: June 12, 1906
Creator: Gillentine, Willliam A.

Nailless Horseshoe

Description: Patent for horseshoe with extended sides that will bend inward to fit the shape of the horse hoof and that will be secured by screwing on nuts to pre-attached bolts on ears pressed against the hoof. Invention is a light and adjustable shoe that can be put on without the use of nails and can be removed at any time.
Date: June 5, 1906
Creator: King, Alphonse

Nut-Lock.

Description: Patent for a nut lock with a locking plate that can be used for multiple nuts, "particularly those used in securing the joints of railroad rails, frogs, switches, and crossings" (lines 10-12), with illustrations.
Date: June 19, 1906
Creator: Taylor, James T.

Rotary Engine.

Description: Patent for rotary engine "of simple and compact construction, in which the pressure and expansive force of the steam or other actuating fluid may be utilized to the fullest advantage" (lines 10-13), with illustrations.
Date: June 5, 1906
Creator: Cagle, Carter M.

Spirit Level.

Description: Patent for a spirit-level by Allan T. Gibson. Meant for helping users obtain level and perpendicular lines with more ease and accuracy, as well as for determining any intermediate angle.
Date: June 26, 1906
Creator: GIbson, Allen T.

Train Signaling System

Description: Patent for trains that use an alarm system that alerts the engineer if there is an issue with the automatic air-brakes in any of the train cars. This alarm system allows for users in any car to alert the engineer and does not diminish the effectiveness of the air brake system.
Date: June 12, 1906
Creator: Gerard, Joseph

Well-Drilling Apparatus

Description: Patent for a well-drill swivel designed to improve the function of a well-drilling apparatus. The improved swivel is meant to create a better connection between rod and rope and prevent twisting of water-supply.
Date: June 5, 1906
Creator: Hall, Samuel N.
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