UNT Libraries Government Documents Department - 1,490 Matching Results

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Electrically-Controlled Puller For Oil-Well Casings.

Description: Patent for an improved oil well casing puller that has electromagnets that will lock against the inside of the casing and be pulled out of the well. The pulley within the casing can be used accordingly and can also be locked with the casing or released from it.
Date: April 12, 1921
Creator: Dooley, William D.

Cotton-Cultivator.

Description: Patent for an improved cultivator used for tillage when the plows are not in the ground. The cultivator can also lighten the heaviness felt by the operator while the plow is being used.
Date: May 17, 1921
Creator: Barnett, James Samuel

Refrigerator-Door.

Description: Patent for individual doors for compartments within a refrigerator, to protect items from being exposed to warm air when the refrigerator door is ajar. This patent also provides for the ability to apply doors as attachments to refrigerators without pre-installed compartment doors.
Date: June 28, 1921
Creator: Jurek, Martin

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.

Lawn Swing

Description: Patent for an improved version of a Lawn Swing that is easily constructed and weather resistant, including illustrations.
Date: December 12, 1919
Creator: Galipp, Herman C.

Check-Book

Description: Patent for a foldable check book. Illustration is included.
Date: October 5, 1920
Creator: Exline, Marcus P.

Draft-Equalizer

Description: Patent relating to improvements to draft appliances for tractors. Illustration is included.
Date: September 28, 1920
Creator: Dudley, Thomas J.

Butter-Cutter

Description: Patent for improved butter cutting machine to be used in professional kitchens.
Date: November 30, 1920
Creator: Palmer, William W.

Cotton-Separator

Description: Patent for a cotton gin designed to not need frequent cleaning.
Date: March 14, 1919
Creator: Williams, Melford L.

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.

Curing-House.

Description: Patent for a curing house for vegetables like sweet potatoes. The inventors "have found that the ceiling and dampers therein are not essential to the successful curing of vegetables; also that an exhaust fan is not necessary and a pent house on the roof with louvers in its sides gives sufficient ventilation and excellent results" (lines 23-28).
Date: September 28, 1920
Creator: Vaughan, Robert B. & Love, Ralph M.

Decapitator

Description: Patent for improvements made to a previously issued patent that will improve speed and cost efficiency of creating decapitators.
Date: 1919
Creator: Frank S. Rece

Blow-Out Boot

Description: Patent for a blow-out boot which would prevent the usual particulate from being able to enter the inner tire after a blow-out.
Date: January 4, 1921
Creator: Barnes, John A.

Collar Fastener or Clasp

Description: Patent for a collar fastener "which will hold the flaps of a collar properly spaced from each other and insure a secure gripping of the flaps to avoid untidy appearance of the collar" (lines 14-17). Includes illustrations.
Date: June 21, 1921
Creator: Orson, Kelly N.

Cotton-Cleaner

Description: Patent for a cotton-cleaner with beveled beaters attached to a central shaft. The shape of the beaters and rotation push the cotton outwards and downwards, thus preventing the cotton from clogging or collecting around the central shaft. Patent includes illustrations.
Date: October 26, 1920
Creator: Stacy, Grover C.

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.

Clutch and Transmission Device

Description: Patent for new and useful improvements in the development of clutch and transmission devices.
Date: February 22, 1921
Creator: Hubbard, Adra M.

Decapitator.

Description: Patent for improvements to decapitator handles which "may be very cheaply produced and will present a broad surface for the hand of the operator which will permit him to exert all necessary pressure without any discomfort to himself" (lines 71-75).
Date: October 26, 1920
Creator: Rece, Frank S.

Antileak Composition.

Description: Patent for improvements in antileak composition in order to prevent leaks in liquid holding containers like radiators, boilers, etc.
Date: July 5, 1921
Creator: Shrum, Will N.

Combined Roost and Nest

Description: Patent for a combined roost and nest for farm animals. The purpose of this new design is to improve the sanitation of current roosts and nests.
Date: August 26, 1919
Creator: Gilmore, Calvin L.

Elastic Tire.

Description: Patent for improvements on elastic tires, so that they are solid and secured on rims of wheels laterally and circumferentially, with fastening rings that hold the tires steady with circular movement; includes illustrations.
Date: October 29, 1918
Creator: Avery, John M.

Attachment for Carbureters

Description: This patent is for improvements in attachments for carbureters for automobiles. The purpose of this invention is to provide a means whereby only hot air or vapor is sucked into the carbureter,
Date: March 12, 1918
Creator: Milligan, Albert L.

Combined Collar-Button and Necktie-Holder

Description: Patent for "an improved collar button and necktie holder made of sheet metal, celluloid, bone, rubber, or any other suitable sheet or strip material desired" (lines 8-12).
Date: February 4, 1919
Creator: Kelly, Orson N.

Coffee Roaster.

Description: Patent for a coffee roaster, with key features such as electric heat and agitation of coffee beans during roasting, including illustrations.
Date: May 6, 1918
Creator: Shortt, Everett T.
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