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Threading Apparatus For Pipes.

Description: Patent for improvements of the threading apparatus for pipes through a simple attachment to automobiles wheels. Illustrated figures with descriptions are presented to easily show the ways in which the device attaches and is used.
Date: December 28, 1920
Creator: Adkins, Otto O.
Partner: UNT Libraries Government Documents Department

Baby Net Frame.

Description: Patent for a frame that can support a baby net and can be collapsed for easy storage. The frame also features components that prevent collapse and provide stability when in use.
Date: June 6, 1922
Creator: Akers, Blessie E.
Partner: UNT Libraries Government Documents Department

Valve Structure

Description: Patent for valve improvements in controlling the flow of fluids under high pressure.
Date: August 30, 1921
Creator: Anderson, Jalmer
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel.

Description: Patent for a type of vehicle wheel made of a unique hub, rim, and resilient spokes. The design allows for the hub and spokes to rotate independently of the rim, reducing the need for compensating gearing. This is done by having the spokes frictionally engaged with the rim rather than a rigid, static design.
Date: December 26, 1911
Creator: Bartle, John N.
Partner: UNT Libraries Government Documents Department

Water-Motor.

Description: Patent for a more powerful and efficient water motor which is durable and comparatively affordable to manufacture.
Date: August 16, 1921
Creator: Brady, Enoch J.
Partner: UNT Libraries Government Documents Department

Rifle.

Description: Patent for a rifle that uses electricity from a battery to ignite the explosive charge for the ammunition.
Date: January 14, 1919
Creator: Brannon, Virgil C.
Partner: UNT Libraries Government Documents Department

Spark Plug.

Description: Patent for a spark plug with the capacity to afford an intense spark, prevent leakage of current, and to preclude fouling of the plug in carbon.
Date: October 24, 1922
Creator: Bronson, Fred L.
Partner: UNT Libraries Government Documents Department

Adding-Machine.

Description: Patent for an inexpensive, simple, easily operated, and improved registering machine that is meant to add numbers without mistakes. It uses revoluble number wheels and a spring-returned shaft among other materials.
Date: March 21, 1893
Creator: Brooks, Augustus J.
Partner: UNT Libraries Government Documents Department

Strap Fastener

Description: Patent for a strap fastener to be used for clamping devices such as harnesses, saddles, reins, and tie-straps. Illustration included.
Date: February 22, 1910
Creator: Carlson, Frank A. & Rhodes, L. D.
Partner: UNT Libraries Government Documents Department

Brake Shoe

Description: Patent for an M.C. B.-type reinforced brake shoe that can be manufactured in small foundries without special machinery.
Date: November 14, 1916
Creator: Christensen, Jacob V. C. T.
Partner: UNT Libraries Government Documents Department

Locomotive Brake-Shoe

Description: Patent for a locomotive brake shoe that is "capable of being economically manufactured in a small foundry without the installation of special and elaborate machinery, whereby they may be produced in various repair shops local to different railroad centers" (lines 15-20), including illustrations.
Date: May 29, 1917
Creator: Christensen, Jacob V. C. T.
Partner: UNT Libraries Government Documents Department

Well Stuffing-Box.

Description: Patent for improvements on well stuffing boxes, particularly in packing the vertically reciprocating pump rod and keeping it packed over time, so that the stuffing box doesn't need to be dismantled for manual adjustments.
Date: November 16, 1915
Creator: Church, George W.
Partner: UNT Libraries Government Documents Department

Spring Wheel

Description: Patent for improvements on spring wheels especially those adapted for motor vehicles.
Date: November 22, 1911
Creator: Coble, Ernest L.
Partner: UNT Libraries Government Documents Department

Engine Control

Description: Patent for a car part that goes on the engine to help control fuel supply, and to keep engine parts from burning up.
Date: May 29, 1915
Creator: Craddock, L. J.
Partner: UNT Libraries Government Documents Department

Route-Indicator.

Description: Patent for an improved route indicator for automobiles "which not only visually indicates the characteristics and risks of the road" but in addition provides an "auditory signal to call attention to approaching hazards or dangers" (lines 36-41). Illustrations included.
Date: November 13, 1917
Creator: Cranmer, Howard
Partner: UNT Libraries Government Documents Department

Extension-Brace for Ladders.

Description: Patent for an extension brace for ladders that improves on the inventor's previous patent (No. 416,413). The invention's parts "are positively raised and lowered by means of direct acting mechanism which is so constructed and arranged as to obtain the most beneficial results from a comparatively small application of power, the parts being strong and durable easily operated and readily understood" (lines 20-26).
Date: April 11, 1893
Creator: Crews, Dayton H.
Partner: UNT Libraries Government Documents Department

Closet

Description: Patent for a dry closet. Illustrations included.
Date: April 2, 1912
Creator: Crow, Levi H.
Partner: UNT Libraries Government Documents Department

Apparatus for Destroying Insects

Description: Patent for an apparatus for destroying insects. Illustrations included.
Date: May 23, 1911
Creator: Crow, William M. & Crow, Levi H.
Partner: UNT Libraries Government Documents Department

Calk Attachment For Horseshoes

Description: Patent for new and useful improvements in calk attachments for horseshoes. The objective is to provide detachable means applicable to the conventional types of shoe without any modifications.
Date: March 29, 1921
Creator: Douglas, John Davies
Partner: UNT Libraries Government Documents Department

Gripping Tool

Description: Patent for improvements to gripping tools for tubing and other round objects with illustrations.
Date: September 26, 1919
Creator: Drake, Charles W.
Partner: UNT Libraries Government Documents Department

Holder.

Description: Patent for improved book holder for holding down the leaves of an open book which can be adjusted to fit various widths.
Date: July 2, 1918
Creator: Duckett, J. L.
Partner: UNT Libraries Government Documents Department

Well-Drill Wrench.

Description: Patent for a well drill wrench that improves upon William Ellinger's patent 1,327,379, issued January 6, 1920. This improvement eliminates friction between the rotatable and stationary parts of the wrench and ensures that the rotatable part is fully supported during its entire rotation, "as when screwing or unscrewing the drill bit" (lines 109-110).
Date: November 15, 1921
Creator: Ellinger, William H.
Partner: UNT Libraries Government Documents Department

Well-Drill Wrench.

Description: Patent for a well drill wrench that is easily adjustable for different sized drill chucks. Its designs makes rotating the wrench smoother and less likely to slip off of drill chucks.
Date: November 8, 1921
Creator: Ellinger, William H.
Partner: UNT Libraries Government Documents Department

Under-Drilling Bit.

Description: Patent for improvements in the design of under drilling bits in order to "reduce labor, time and expense of drilling" and "to permit the drilling of a more perfect hole" (lines 25-27), including illustrations and a description of the design.
Date: July 15, 1913
Creator: English, Harry White
Partner: UNT Libraries Government Documents Department
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