UNT Libraries Government Documents Department - 163 Matching Results

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Description: Patent for a boring drill. The invention creates a new means "for connecting the constituent members of the head so as to provide novel means for assembling the head with a driving element" (lines 19-22).
Date: 1913-6-10
Creator: Larnce, John B.; Townsend, S. L. & Keith, Aubrey R.


Description: Patent for a machine designed to cut off the butt ends of cereal sheaves should they become wet or muddy. Illustrations included.
Date: February 16, 1909
Creator: Janes, Ivey & Lanaux, Alfred A.


Description: Patent for improved car couplings "of the Janney type, capable of readily coupling on short curved, and adapted to be either coupled or uncoupled without going between cars. A further object of the invention is to provide means whereby the parts may be readily set for automatic coupling, or to prevent coupling." (Lines 13-20) Includes instructions and illustrations.
Date: March 19, 1895
Creator: Armstrong, James P.

Car Truck Bolster

Description: Patent for a car-truck bolster. The design improves upon existing versions to bolster a car or truck in order to readily makes repairs in a simple and expeditious manner. The bolster can be taken apart which allows for each part to be replaced separately.
Date: January 30, 1906
Creator: Fowler, T.

Casing Spear

Description: Patent for casing spears. This invention is designed for pulling well tubes or casings that have broken off out of the well. Illustration included.
Date: August 25, 1908
Creator: Carroll, Monroe W. & Johnston, H. G.


Description: Patent for a rain cistern, which can have oil put in it to prevent rust and sends out dirt from the cistern if it overflows.
Date: March 8, 1910
Creator: Fischer, Christian


Description: Patent for a core drill for making bore holes in rocks to get out solid samples of the inside of rocks, which has an improved grabbing method for retrieving the piece of rock inside the hole.
Date: August 3, 1909
Creator: McLoughlin, Malacha J. & Wynn, John S.

Crate or Box.

Description: Patent for "a crate or box of knockdown form consisting of a crate or box made of separable sections and bound together by wires and stay-bolts that are loosely set into the sections" (line 11-16) including instructions and illustrations.
Date: September 26, 1905
Creator: Hines, Warren H.

Door Stop and Lock.

Description: Patent for a door lock and door stop that is operated from the doorknob by having a rod with a bolted door stop box on the bottom inserted into the door frame.
Date: April 9, 1907
Creator: Tatum, Cicero James