UNT Libraries Government Documents Department - 239 Matching Results

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Safety-Platform for Railway-Cars.

Description: Patent for an improvement to safety platforms for freight cars and other railway cars, intended to "protect the lives of trainment and others whose duties demand the rapid passing from car to car of a train while in motion" (lines 12-14).
Date: May 27, 1902
Creator: Holland, John & Wickline, William P.


Description: Patent for cheese cutter that features improvements which include guides for the knife, the box and cover, and the means for holding the cheese in place on a rotatable platform.
Date: December 30, 1902
Creator: Niggli, Emil

Lining for Cells, Vaults, or the Like

Description: Patent for Lining for Cells, Vaults, or the Like. The Linings whether employed in Jail-Cells or other Similar Buildings , and the object thereof is to provide a structure made up of parts which may be placed within a room or enclosure and securely built therein without necessity of using patch-bolts or screws.
Date: November 25, 1902
Creator: Youngblood, David F.

Interlocking-Bar Grating for Jails.

Description: Patent for gratings used in jails. "In these structures as ordinarily made upright and horizontal bars are provided which are located at right angles to each other, these bars being necessarily secured together at their points of intersection to prevent their being spread apart" (lines 11-16).
Date: November 25, 1902
Creator: Youngblood, David Franklin

Fireproof Floor.

Description: Patent for an improved fireproof floor, which provides a light, rigid fire- and sound-proof flooring that is simple in construction. In addition, the ceiling construction allow the walls of a building to be strengthened against sagging or bulging, and also provides a continuous concrete-ceiling surface, allowing plaster coating or other material to be securely held without the need of another surface to support it.
Date: November 18, 1902
Creator: Shields, Patrick T.


Description: Patent for "wrenches; and it consists in the improved means for operating the movable jaw thereof." (lines 12-13) including illustrations.
Date: July 1, 1902
Creator: Boozer, George W.

Well-Boring Machine.

Description: Patent for improved mechanism of well-boring machine in which it “composed of as few parts as possible, which will effectively grip and rotate a drill-rod or pipe containing coupling and reducing - nipples, or composed of length or sections of varying diameters without impeding the end movement or deranging the central position of said drill-rod or pipe, and without delaying the progress of the machine, to adjust or change any part or parts thereof, also to improve the means for gripping the drill-rod or pipe and to eliminate the tendency to split or longitudinally furrow the latter, which would render the same liable to open and twist off when subject to high pressure during the progress of boring.” (Lines 20-34) Illustration is included.
Date: June 17, 1902
Creator: Woods, Frank J.

Water-Closet Flush.

Description: Patent for a siphon flushing apparatus for water-closets in which it will regulate the quantity of the water being discharged at each flushing; at the same time it can prevent water leakage. Illustration is included.
Date: October 16, 1900
Creator: Bowman, Jonathan


Description: Patent for "a switch-locking device comprising a lock contained within the switch-lever of the switch-stand, by the use of which the switch may be more quickly and positively manipulated and finally locked in position" (lines 3-7).
Date: October 30, 1900
Creator: Sulfer, Charles


Description: Patent for "an improvement in eyeglasses; and it consists in certain novel constructions and combinations of parts" (lines 7-9), illustration and instructions included.
Date: March 13, 1900
Creator: Critzer, A. B.


Description: Patent for a bridle bit that helps a handler to hold or guide an animal without harming its mouth. Illustration included.
Date: August 21, 1900
Creator: Castro, Alberto