UNT Libraries Government Documents Department - 14 Matching Results

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Canal or Ditch Digging Machine.

Description: Patent for a canal or ditch digging machine that has a carriage and a mechanism that draws the carriage across the ground, and a boring-tool beneath the carriage. The boring-tool can bore at an adjustable angle.
Date: August 20, 1895
Creator: Hoefs, Otto

Electro Medical Belt.

Description: Patent for a new and improved electro-medical belt. This design "consists in a belt or support constructed of multiple-ply electro-conductive belting, which [the design] make[s] by inserting a conductor or conductors between the folds of a multiple-ply band with suitable contact-points at the surface, a sling supported by and movable on the belt for carrying the electric generator, also constructed of the electro-conductive belting, and having detachable connectors between its contact points an… more
Date: April 1, 1890
Creator: Shelton, William J.

Insecticide

Description: Patent for an insecticide specifically for insects that burrow into the shucks of corn. "The general object of my invention is to provide a compound capable, when affected by moisture incidental to the sweating of the corn in the crib, of generating a poisonous gas which will permeate the shucks and reach and destroy the insect within the shucks, where it cannot be destroyed by simply sprinkling the corn with a poisonous powder or solution" (lines 17-25).
Date: September 13, 1892
Creator: Carter, Joseph John

Life-Boat.

Description: Patent for an improved life boat that "consists principally of a central closed hull equipped with propelling machinery, and floats extending on the sides of the said hull and rigidly secured thereto, to support the hull in position." (Lines 12-16) Includes instructions and illustrations.
Date: September 1, 1896
Creator: James, William F.

Oar Lock Attachment.

Description: Patent for an oar-lock attachment that allows the oar to be removed but not easily disconnected, using a hook on the oar with a spring plate and an eye on the boat gunwale, with illustrations.
Date: December 20, 1892
Creator: Livingston, Joseph R.

Post-Driver.

Description: Patent for a machine that drives posts and "can be placed on the running gear of a vehicle in such a manner that it can be readily adjusted to operate on posts at either side of the longitudinal axis of the vehicle" (lines 14-18). It can be easily adjusted and is simply constructed.
Date: April 18, 1893
Creator: Harris, Stephen G.

Wire Stretching and Splicing Tool.

Description: Patent for a wire stretching and splicing tool used when repairing barbed wire and other wire fences. It connects the ends of broken wires by bringing them together and twisting them. It has a wire gripping device, an adjustable end that corresponds to the wire gripper, a way to separate the above listed parts and bring them back together again, and a clamping device.
Date: April 30, 1895
Creator: la Bauve, Odelon Joseph
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