UNT Libraries Government Documents Department - 1,490 Matching Results

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Abrading Element For Tire-Patch Containers

Description: Patent for an improved tool that is affixed to tire-patch containers. It is used for abrading the surface of a tire to effectively roughen it (without the use of sandpaper) to allow the adhesion of a patch. Includes illustrations.
Date: January 4, 1921
Creator: Duffy, Jesse A.

Account-Book.

Description: Patent for improvements in account books to "facilitate the identification of pass books and to expedite the keeping of accounts by enabling the cashier, or bookkeeper, or other clerk concerned, to readily identify the book of the depositor or other owner and thereby more readily post the entries from one book to another in keeping accounts" (lines 16-22); includes illustration.
Date: August 28, 1917
Creator: Exline, Marcus, P.

Account Book

Description: Patent for an account book that is to be used "to receive in condensed form the dates and other particulars when sums are due to and from a person or firm are payable" (p. 2).
Date: May 21, 1889
Creator: Goldberg, Samuel W. & Tillmann, Emanuel M.

Acetylene-Gas Generator

Description: Makes gas generators more automatic making them less dangerous and less likely to cause an explosion.
Date: August 25, 1903
Creator: Summerfield, John

Acetylene Gas Generator

Description: Patent for improving acetylene gas generator designs with the use of an added specification in the form of a new apparatus. Illustrations and instructions are included.
Date: September 7, 1897
Creator: Taylor, George

Acetylene Gas Generator

Description: Patent for an acetylene gas generator. illustration included.
Date: March 7, 1911
Creator: Wyatt, William J.

Acetylene Gas Generator.

Description: Patent for a new and improved acetylene gas generating machine, including instructions and illustrations.
Date: September 12, 1899
Creator: Miller, Frank A.

Acetylene-Gas Generator.

Description: Patent for an acetylene gas generator, which is chiefly operated by the fall of a gas-bell.
Date: July 29, 1902
Creator: Ray, Samuel W.

Acetylene-Gas Generator.

Description: Patent for an improve to a Gas-Generator by controlling the liquid for decomposing the carbid in acetylene, by doing this the generation of gas is monitored and the waste of gas will not occur. This is an improvement to the Gas-Generator, this construct will have an automatic cut-off for the liquid-supply.
Date: August 25, 1903
Creator: Summerfield, John

Adding Machine

Description: Patent for a machine that adds numbers together using "key actuated accumulating wheels" to reach the desired sum, including illustrations.
Date: September 22, 1913
Creator: Moody, Jason B.

Adjustable Book-Cover

Description: Patent for a book cover that can be adjusted to fit any book size.
Date: September 28, 1920
Creator: Toland, Thomas L.

Adjustable Book-Cover.

Description: Patent for adjustable book covers. More protection with use of thicker paper, with adjustable feature is highly important as is also the slit and tongue.
Date: July 1, 1919
Creator: Walraven, Albert T.

Adjustable Crib or Bed.

Description: Patent for improvements in Adjustable Cribs or Beds for children to sit beside the bed of the mother or guardian of the child. Made to be "easily and quickly attachable to or connected with any make of" (lines 17-19) the adult's bed "so that the mattresses of the bed and crib will be perfectly even or flush, without space...between them" (lines 20-22). Includes illustrations.
Date: November 25, 1919
Creator: Rece, Frank S.

Adjustable Cultivator-Tooth Seat.

Description: Patent for certain new and useful improvements in adjustable cultivator tooth seats, including instructions and illustrations.
Date: June 7, 1898
Creator: Shofield, James Drummond

Adjustable Headlight For Vehicles.

Description: Patent for a vertically moving headlight so that the driver can aim light toward the direction in which they are traveling. The headlight is meant to be durable and easy to build.
Date: August 4, 1914
Creator: Gray, Charles B. & Teter, William E.

Adjustable Lamp-Shade.

Description: Patent for a simplified, detachable, and adjustable lamp shade that is "more practical and efficient without increasing the cost of manufacture" (lines 27-29), including illustrations.
Date: May 16, 1916
Creator: Landers, Charles G.

Adjustable Nailless Horseshoe.

Description: Patent for an adjustable horseshoe with cost efficient, replaceable fittings. Illustrations included.
Date: September 4, 1900
Creator: Fenley, Harriet R.

Adjustable Rack for Railway-Cars.

Description: Patent for improvements on racks in railway-cars including more storage for smaller items, an adjustable rack for children or elderly persons to be able to reach without needing to stand on the car seat, a titled hinge that allows a rack to be pulled for ward and pushed back, and other improvements.
Date: August 2, 1898
Creator: Butler, Michael

Aerating Churn

Description: Patent for aerating churn. This design of churn is designed to aerate milk as it churns. Illustration included.
Date: August 1, 1905
Creator: O'Neall, James M.

De-Aerator

Description: Patent for improvements in de-aerators such as "forcing the water into the tank and spraying the same against the cylinder to cause the air and gases to separate from the water, and means for causing a vacuum in the upper end of the tank from which a suction pipe extends to allow ready escape of the separated air and gases" (lines 27-33) including illustrations and instructions.
Date: September 9, 1913
Creator: Strite, Frank S.

Aeroplane.

Description: Patent for an aeroplane with a propeller, which is "pivotally mounted and adjustable into different positions relative to the planes in order to produce either a rising movement or thereof or a driving movement in a horizontal or other plane" (lines 26-30).
Date: September 19, 1911
Creator: Andrae, Ernest H.; Andrae, E. H.

Aeroplane

Description: Patent for an aeroplane. The invention is designed to vary the curvature of the plane from front to rear and by this means the plane may be so adjusted as to reduce the "head resistance" to a minimum. The invention is also trying to find the suitable means for manipulating the adjustable sections whereby the movable sections. This invention aims to provide a machine that is strong, durable, efficient, and comparatively simple to construct.
Date: September 7, 1915
Creator: McCarroll, Frank

Aeroplane-Kite.

Description: Patent for a new aeroplane-kite which can be "readily dismantled and folded for shipping and easily assembled and placed in position for flying without the use of numerous fastenings and detachable parts, thereby making for simplicity and practicability" (lines 12-17). Also includes wind tunnels and a fuselage frame which is so easily assembled that a child can do it.
Date: October 19, 1920
Creator: McLaughlin, James T.
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