UNT Libraries Government Documents Department - 494 Matching Results
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- Account-Book.
- Patent for a new and improved account book that is arranged to improve accuracy of record-keeping and facilitate the referencing of different accounts.
- Acetylene-Gas-Generating Apparatus.
- Patent for "improvements in apparatus for generating acetylene , and comprises the novel features." (lines 8-10) including illustration.
- Adjustable Spring Clamp
- Patent for an improved adjustable spring clamp design.
- Adjustable Support.
- Patent for adjustable props or supports used in concrete construction or scaffolding, including illustrations.
- Advertising Chair
- Patent for a rocking chair for displaying advertisements. Illustrations included.
- Advertising Device.
- Patent for an advertising machine that is motor-operated and will display a succession of slides that can be shown during the day or at night. It includes a light to help show slides to the public, a shutter that automatically and intermittently displays slides, a lens for projecting slides on a distant screen, and a master slide to be shown with each slide. The patent includes illustrations.
- Aerial Projectile and Launching Mechanism Therefor
- This document is a patent for the invention of the Aerial Projectile and Launching Mechanism Therefor. According to its inventor Frank M. Bell, the object of this mechanism is to fire aerial projectiles or torpedoes more accurately at their intended target. This mechanism can be called an anti-observation balloon/zeppelin weapon and it would see some usage by the Allied air forces during this conflict.
- Aeroplane
- Patent for an airplane with improved steering capabilities and adjustments for atmospheric conditions.
- Air-Brake, Lighting, and Signaling System for Railway-Trains
- Patent for an electrical system which provides air brake, lighting, and signaling mechanisms for trains. Illustrations included.
- Air-Cleaning System
- Patent for an air cleaning system to be used in homes. Illustrations included.
- Air Heating and Regulating Means for Internal Combustion Engines
- Patent for a type of air heater designed to be attached to an internal combustion engine for the purposes of regulating heat.
- Air-Lock for Mines and Tunnels
- Patent for an air lock to remove water, polluted air, and heat from mines and tunnels and force in fresh air. Illustrations included.
- Annuciator
- Patent for an annunciator. "This invention is designed for use in connection with a complete traction system" (lines 13-14). The design drives instruments via a train air system so that air pressure is constantly maintained. Illustrations included.
- Aparatus for Cleaning Lechuguilla, Henequen, and Analogous Fibrous Plants.
- Patent for an improved apparatus for scraping lechugilla, henequen, and analogous fibrous plants. This apparatus scrapes the stalks of the plants mechanically and separates the pulp from the fiber of the plant so that the fiber will be cleaned and ready for use.
- Aparejo
- Patent for more efficient and durable pack-saddle (aparejo) used by United States Army. Casing involves hollow boot-sticks and rubber-encased steel, with better fitting to prevent fatigue of animal.
- Apparatus for Catching Waste Products From Lead, Silver, or Other Smelters.
- Patent for certain new and useful improvements in apparatus for "catching the waste products from lead, silver , or other smelters" (line 5 - 7).
- Apparatus for Condensing Flue-Dust.
- Patent for an apparatus for "condensing and saving the flue-dust passing with the waste gases through the chimney of lead-smelting furnaces." (Lines 9-12) Includes instructions and illustrations.
- Apparatus For Desulfurizing Matte Or Other Furnace Products
- Patent for a new and improved apparatus for desulfuring matte or other furnace products.
- Apparatus for Extracting Wax from Plants
- Patent for "an apparatus for extracting wax from the candelilla plant and other species of plants of the class Myrica." (lines 9-12)
- Apparatus for Molding Silos and the Like.
- Patent for an apparatus of simple structure that allows for the easy adjustment and manipulation of parts. It is "used for molding silos and similar structures from concrete cement material" (lines 10-12).
- Apparatus for Oiling Railway-Tracks.
- Patent for improvements in mechanism for “applying oil to curves and switches of street railway tracks” (lines 6-7) by using an “oil-tank [that] is arranged in the upper position of the hood or shield over the car-wheel. The valve is in the bottom of the oil-space and may be controlled by a lever arranged to turn or lift in the valve, and under the valve is arranged the oiling-wheel, which runs lightly on the track or face of the car-wheel and applied the oil." (Page 2, lines 69-76) Includes illustration.
- Apparatus for Separating or Concentrating Ores.
- Patent for an improvement to hydraulic separators used in frothing classification to increase the recovery of larger mineral particles.
- Apparatus for Separating or Concentrating Ores
- Patent for improvements in apparatus for separating or concentrating ores through a flotation method.
- Apparatus for Sizing Ores or for Other Uses
- Patent for an apparatus for sizing ores. This invention is to "accomplish and accurate or approximately accurate sizing or classification of ores or granular materials in a rapid and thorough manner and with as large a capacity as possible" (line 15-19) illustrations included.
- Apparatus for Utilizing Hot Slag for Heating Purposes
- Patent for an apparatus which holds molten slag in the exterior chambers of the receptacle such that the interior chambers can receive water to be heated, producing steam and hot air.
- Arch and Instep Support for Boots and Shoes
- Patent for a removable arch and instep support as part of a shoe or boot.
- Athletic Shoe
- Patent for improvements to athletic shoes for men, women, and children that improve the comfort of the shoe, support the anatomy of the foot, and prevent “falling arches and other foot ailments” (p. 1, lines 22-23).
- Attachment for Thimbles.
- Patent for invention for the improvement of attachments for thimbles. "The objects of the invention are to produce a device of simple construction for cutting the thread when sewing that can be readily applied to old as well as to new thimbles; also to produce the device in such manner that the thread can be quickly and conveniently cut at any desired point in an expeditious manner " (lines 17-24). Includes specifications and illustrations.
- Auto-Door Stop
- Patent for a door stop that is cheap to produce and holds doors firmly.
- Automatic Air-Brake Coupling.
- Patent for "a new and useful improvements in automatic air-brake couplers to enable others skilled in the art to make and use the same, the invention also relates to improvements in automatic air-brake couplings in cars". (lines 5-10) including instructions and illustrations.
- Automatic air-brake for railway-cars.
- Patent for an improved design of automatic air brakes for use in railway cars.
- Automatic Air Device for Gas Engines.
- Patent for a removable automatic air device for delivering air to gas engines in proportion to the speed of the engine.
- Automatic Car-Dump
- Patent for automatic dumpers that can be readily and inexpensively fitted and adapted to most forms of dump car.
- Automatic Density-Indicator for Slime-Pulp Separators.
- Patent for devices that thickens slimes for ore milling operations in which it will indicate the density and regulate it so it will not go below a predetermined value.
- Automatic Multiple Fuse Block
- Patent for an automatic multiple fuse block. This invention is "provided a normally inactive shunt circuit through which, when a fuse is blown, the current is diverted to an electro-mechanical means which, when the rush of current causing the fuse to blow" (16-21). Illustration included.
- Automatic Ore and Pulp Sampler
- Patent for a automatic ore and pulp sampler. This invention represents a settling tank to accumulate particles. Illustration included.
- Automatic Ore And Slime Separator
- Patent for a automatic ore and slime separator. This invention is designed to separate the sand and other solid particles from water. Illustration included.
- Automatic Separating Device.
- Patent for an automatic separating device. This device operates with a link that connects the float level at the top of the tank with a valve handle at the bottom of the tank to control discharge from the tank.
- Automatic Separator and Evaporator.
- Patent for an improved automatic separator and evaporator which controls the intake with an included air-lift or jet-ejector, including illustrations.
- Automatic Silt And Sand Separator.
- Patent for an automatic silt and sand separator that settles and discharges sand, slimes and any foreign matters.
- Automatic Stop and Adviser for Locomotives.
- Patent for an automatic stop and advisor for locomotives.
- Automatic Train Signal
- Patent for new automatic train signal. It was invented to improve train signaling systems for automatic trains.
- Automatic Train-Stop.
- Patent for mechanism to automatically sound alarm and shut off steam when a train passes a danger point.
- Automatic Train Stop
- Patent for an automatic train stop. Used to simplify the construction where fewer magnets and changeable switches are necessary. To provide an automatic train control mechanism with a normally closed circuit, the breakage or disarrangement of any part that would ensure the stopping of the train.
- Automatic Train Stop
- Patent for train signal to indicate it will stop.
- Automatic Train Stop
- Patent for Automatic Train-stop
- Automobile-Alarm.
- Patent for a device to prevent the theft of automobiles capable of producing audio and visual signals as warnings of unauthorized access.
- Automobile Hay-Rake.
- Patent for "an improved hay rake, for farm use, adapted to be attached to and operated by an automobile or motor truck or wagon." (lines 8-11) including illustrations.
- Automobile-Radiator.
- Patent for improvements in automobile radiators to provide the ability to remove the top and the bottom of the tanks so they can be easily reached for replacement and repair.
- Automobile-Top.
- Patent for "new and useful improvements in Automobile-Tops." (lines 5-6) and is related to "tops of automobiles having two or more seats." (lines 9-10) includes illustrations.