UNT Libraries Government Documents Department - 51 Matching Results

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Combination Swing and Couch.

Description: Patent for a piece of swinging furniture for infants and small children which can be converted between a seat and a couch. This device is designed to be collapsed and folded for easy storage, as well as to be cheap and easy to manufacture. Illustrations included.
Date: February 10, 1920
Creator: McDevitt, Leslie I.

Book with Removable Cover

Description: Patent for a removable cover for a pass book (a book where a customer's bank deposit account is kept). When a customer's pass book is filled the cover can be removed and refilled with a new pass book.
Date: September 10, 1918
Creator: Malsch, Herman C.

Attachment for Internal-Combustion-Engine Carbureters.

Description: Patent for Improvements in Attachments for Internal-Combustion-Engine Carbureters. The "explosive mixture entering the cylinders of the engine may be improved and in this way increase the efficiency of the engine" (lines 12-15).
Date: September 10, 1918
Creator: Atkinson, John P.

Patent for Extracting Liquid from Pulpous Material Machine

Description: Patent for Extracting Liquid from Pulpous Material Machine that extracts oils and liquids from the remaining pulpous material from the process of grinding and cooking cotton. The main goal of this machine is to extract oil from cotton seed meal.
Date: February 10, 1920
Creator: Kinney, William L. & Cagle, Wiiliam E.

Tractor.

Description: Patent for improvements to a previous patent application for a tractor (Serial No. 399599, filed 1920-07-28). The improvements include rearrangements of parts for the driving wheels from the front to the rear and the rearrangement of the transmission housing.
Date: January 10, 1922
Creator: Lewis, Otto Leroy

Well-Drilling Device.

Description: Patent for adding a drilling stem to a well-drilling device, with illustration. This invention will improve operation of devices.
Date: February 10, 1920
Creator: Church, Walter Lee

Window Shade

Description: Patent for "Improvements in Window-Shades" (line 6) including illustrations.
Date: February 10, 1920
Creator: Johnson, Charles G.

Drill-Bit

Description: Patent for Drill-Bit that is especially designed for purpose of drilling through rock, or other hard formations and is also adapted for use in drilling through softer formation, such as shell.
Date: June 10, 1919
Creator: Culmore, March J. A.

Resilient Wheel.

Description: Patent for an improved resilient wheel with "a pneumatic cushion interposed between the hub and floating rim" (lines 11-12). The cushion is designed to be easily removable, provide easier access for inflation, better lubrication, and rest on a seating member and bearing for reduced friction.
Date: September 10, 1918
Creator: Kettler, Martin F.

Steering Device and Brake for Tractors

Description: Patent for new and useful improvements for the steering and stopping of tractors, particularly for the machines that are extremely difficult and laborous to manually steer and apply brakes. The invention permits the controlling of the direction of movement of the behicle by disconnecting the source of power from the wheel(s) at one side while those at the other side contrinue to rotate under power. The invention allows for braking to be used to slow the motion of the tractor on downward grade o… more
Date: January 10, 1922
Creator: Lewis, Otto Leroy

Road-Surfacing Machine.

Description: Patent for improvements to road surfacing machines, "specially designed for applying a surface of concrete or other similar material to roads and streets,... spreading the surfacing material over the foundation of the roadway," (lines 13-17) and "tamping said material, so as to give a true and even surface" (lines 18-19), including illustrations and instructions.
Date: June 10, 1919
Creator: Reynolds, Robert E.

Refrigerator-Car

Description: Patent for a refrigerated train car "containing ice receptacles and equipped with pipe coils through which the brine given off from the ice may be circulated around the walls of the car" (p. 1, lines 10-15) which also circulates the cooled air through the car.
Date: September 10, 1918
Creator: Dietz, Maurice B.

Picket-Fence Machine.

Description: Patent for a picket fence machine for a fence that can be built of wire where normal fence pickets are woven and spaced an equal distance apart, including illustrations and instructions.
Date: March 10, 1914
Creator: Purdy, John S.

Airship

Description: Patent for an airship of improved construction, which allows for the operator to change their positions to propel, raise, lower and steer the ship.
Date: November 10, 1914
Creator: John William Oman

Check-Book.

Description: Patent for improvements to check-books for easier access to the check stubs.
Date: April 10, 1917
Creator: Schwander, Peter W.

Insect-Guard

Description: Patent for a device that can be attached to furniture and which traps insects.
Date: April 10, 1917
Creator: Kreiter, Richard F.

Measuring-Machine.

Description: Patent for a machine measures out already established amounts of grains, coffee, sugar, etc., to be put into bags and delivered to customers, including illustrations.
Date: August 10, 1915
Creator: Hewson, Frank M.

Package Tie

Description: Patent for improvements made to package ties that are utilized by letter carriers to bind multiple letters or newspapers. This patent details improvements in efficiency of use, and construction for mass production to be sold at a small price.
Date: March 10, 1914
Creator: Patrick, Charles A.

Tire-Protector.

Description: Patent for a protective fabric covering for automobile and other similar tires which is secured through detachable plugs. This protects the tire from wear, puncturing, and skidding over surfaces.
Date: April 10, 1917
Creator: Decker, Harry R.

Telegraph Repeating System

Description: Patent for an improved telegraph repeater which uses electromagnetic elements to repeat both ways.
Date: November 10, 1914
Creator: Jester, Alfred T.

Incubator Alarm

Description: Patent for incubator alarm in which an audible signal will be triggered when the temperature of the incubator is above or below the normal predetermined degree.
Date: June 10, 1913
Creator: Kelley, Clyde W.

Combination Claw and Pinch Bar

Description: Patent for a combination claw and pinch bar that is adapted for use with railway tracks. Illustrations included.
Date: May 10, 1910
Creator: Clarke, Marcus S. & Adreon, Edward L.

Bale-Band Fastening

Description: Patent for "a new and useful bale-band fastening or bale-tie for an object to provide a simple and efficient device for taking up a maximum amount of slack in the band with a minimum movement, while at the same time serving to tightly secure the band about the bale and preventing the same from loosening or the ends thereof from rending apart ." (lines 5-15) including instructions and illustrations.
Date: July 10, 1900
Creator: Campbell, Douglas M.

Lure-Conveyer

Description: Patent for a conveying lure used in dog races. Illustrations included.
Date: September 10, 1912
Creator: Smith, Owen P.
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