UNT Libraries Government Documents Department - 1,053 Matching Results

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Advertising- Sign

Description: Patent for new advertising signs that "involves the elements of motion, color, illumination, and mystery" (lines 16-17), including illustrations.
Date: unknown
Creator: Craig, Richard Morgan

AUTOMATICALLY BALANCING AEROPLANE

Description: Patent for attaching wings to a car in such a way that the wings will automatically adjust as the car shifts in flight. Detailed description and illustrations are included.
Date: unknown
Creator: Mathiesen, Marius

Furnace

Description: Patent for improvements of heated air in furnaces.
Date: unknown
Creator: Koehler, Otto & Calmbach, Charles

Holder and Tie.

Description: Patent for a holder and tie for laced clothing items such as shoes, leggings and corsets. There is an attachment for articles of clothing to hold the lace.
Date: unknown
Creator: Eva, Addison Hamilton

Lantern globe

Description: Patent for lantern globe
Date: unknown
Creator: McCrone, J. W.

Machine for Translating Rotary into Reciprocating Movements

Description: Patent for a machine that translates rotary into reciprocating movements. This invention improves the mechanism of the class including those each of which comprises a rotary element and a reciprocating power imparting element.
Date: unknown
Creator: Stewart, Norris D.

Permutation-Lock

Description: Patent for an improvement in the science of combination locks. Illustrations and instructions are included.
Date: unknown
Creator: Schuetze, Robert

Plate-Guard for Secondary Batteries

Description: Patent for Plate-guard for secondary batteries. This invention shall provide a light envelope that prevents acid from damaging outside materials.
Date: unknown
Creator: Luthy, Joseph O.

Rotary Plow.

Description: Patent for improvement to the rotary plow that allows one to operate multiple rotary plows simultaneously.
Date: unknown
Creator: Billingsley, Rennie E.

Round-Bale Cotton-Press

Description: Patent for a cotton press with a modified core pin that can be automatically removed from cylindrical bales through use of a hydraulic ram before the bale is expelled from the machine. This helps prevent the bales from coming apart (as would often happen when the core pin was removed by hand), and also has the advantage of creating bales with less dense centers, which aids with drying and helps prevent matting.
Date: unknown
Creator: Taft, John A.

Spark-Arrester.

Description: Patent for a Spark-Arrester.
Date: unknown
Creator: Rood, Grenville H.

Storage Battery

Description: Patent for dry cell storage battery for use in flash lights.
Date: unknown
Creator: Luthy, Joseph O.

Valve

Description: Patent for an improved valve that will allow oil-burning locomotives to be controlled effectively under any circumstance.
Date: unknown
Creator: Trainer, Thomas Edgar

Molding Apparatus.

Description: Patent for a molding apparatus for forming precast concrete units used for constructing monolithic straight and curved walls, floors, ceilings, and other building structures.
Date: October 31, 1922
Creator: Nelson, William E.

Semaphore

Description: Patent for a semaphore in the form of a rotatable tubular post for the purpose of signaling traffic conditions at an intersection. The semaphore communicates signals in the form of red or green plates, red or green colored lamplight, and pneumatic whistles, which are triggered by vehicles passing over platforms installed on the road surface near the intersection by means of underground tubes containing chains and pulleys. The actuation of the semaphore is detailed in "parent" application, seria… more
Date: October 31, 1922
Creator: Durán, Arturo

Animated Sign

Description: Patent for a display apparatus to be implemented as animated advertising signs which successively display different images by controlling the timing of changes in the colors of light used to flood the front and to backlight the display surfaces. The images are created in such a way that certain elements created in certain colors become absorbed or are made invisible when illuminated by certain colors of light. An apparatus controls the cyclical changes of the colored lights used by the sign.
Date: September 5, 1922
Creator: Craig, Richard M.

Method of and Apparatus for Producing Transformation Effects

Description: Patent for a method of creating transformation effects through the use of particular colors of illumination, to be used in the theater, amusement houses, or other performances. The invention involves using lights whose colors can either "absorb" or "wash out" certain objects or designs of the same color while revealing objects of a complementary color.
Date: September 5, 1922
Creator: Craig, Richard M.

Brake.

Description: Patent for a brake (as it pertains to vehicles), that is operated by hand and that employs the use of brake bands and a drum to alter the momentum of a vehicle.
Date: May 23, 1922
Creator: White, John W.

Foldable Steering Wheel.

Description: Patent for a foldable steering wheel with the capability of swinging downwardly to an out of the way position to enable the driver to easily occupy or leave his seat.
Date: May 16, 1922
Creator: Hanes, Dorris A.

Speed-Regulating Device.

Description: Patent for speed-regulating devices that gradually increase or decrease the speed of a driven member automatically. This invention is applicable to motion picture film devices to increase or decrease the speed of the reel.
Date: May 16, 1922
Creator: McNeel, William Pinkney

Valve-Grinding Implement

Description: Patent for improvements in Valve-Grinding implements. This improvement is applicable to practically any type of engine or motor and to the different types of valves employed therein. This valve relates to the rotating of the valves of internal combustion engines and the like when the same is being ground to effect a proper seating action.
Date: April 18, 1922
Creator: Hood, William S.

Railway Switch.

Description: Patent for a railway switch to be operated by foot and without structural change to existing construction.
Date: February 28, 1922
Creator: Arteaga, Ignacio

Can Opener

Description: Patent for a can opener which cuts cleanly and rapidly around the outside wall of the can, so as to avoid jagged edges.
Date: February 14, 1922
Creator: Minor, Robert B.
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