UNT Libraries Government Documents Department - 2,531 Matching Results

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01096683
Patent for new and useful Internal-Combustion Engine. Improves the provision of an engine which the cylinder is provided with a semi-spherical upper end, fr the rotatable reception of similar shaped power cylinder carrying shell.
01097413
Patent for improved automatic liquid fuel feed regulator for steam generators especially adapted for use in connection with steam generators in which liquid hydrocarbon or case is used as fuel.
Abilene Sheet
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Accident Brake Appliance
Patent for an accident brake appliance for trains.
Acetylene-Gas Generator
Patent for an Acetylene gas generator that allows waste to be emptied from the machine without losing any gas.
Acetylene-Gas Generator
Patent for an acetylene gas generator designed to prevent from being overcharged with carbide. Illustrations included.
Acetylene-Gas Generator
Patent for an acetylene-gas generator. Illustrations included.
Acetylene Gas Generator
Patent for an acetylene gas generator. illustration included.
Actuating Device for Circuit Closers
Patent for an actuating device for circuit closers. Illustration included.
Addicks Quadrangle
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24000
Addicks Quadrangle
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:31680
Addicks Quadrangle
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24000
Addington Sheet
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Adhesive and Method of Making the Same
Patent for starch used for paper that can act as an adhesive coating. Illustrations included.
Adjustable Light Shade and Reflector.
Patent for a new adjustable light shade and reflector with "a shade and a support therefor so provided with joints that the shade may be given any desired angle of reflection, relative to the light, and its relative distance from the light may be regulated" (lines 13-17), which includes illustrations and instructions.
Adjustable Shade-Support
Patent for an adjustable window shade support.
Adjustable Support and Bracket for Shade-Rollers and Curtains
Patent for a support for roller shades and window curtains. Illustrations included.
Adjustable Trace Clip
Patent for Adjustable Trace Clip. "The invention relates to an adjustable trace clip, and has for its primary object to provide a clip of this character in which the connecting strap between the back and belly bands may be adjusted with relation to the trace so as to permit the back band to properly fit the animal and also allow the longitudinal adjustment of the trace" (lines 9-16).
Adjustable Window-Scaffold
Patent for an adjustable window scaffold. Illustrations included.
Adjustable WIndow Shade Bracket
Patent for an adjustable window shade.
Adjuster for Locomotive-Headlights
Patent for a mechanism for adjusting and mounting train headlights. Illustrations included.
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.
Advertising Device
Patent for an Advertising Device. This device provides "a series of hinged leaves so mounted that those exposed to view have the experience of being part of a book." (lines 14-17). "A further object is to provide means which will conceal the operating mechanism, and mystify the observer" (lines 23-25), with a "supporting structure and a dummy provided with a movable hand...for turning said movable shaft as the leaves are turned" (lines 3-13).
Advertising Exhibitor and Phonographic Annunciator
Patent for an advertising exhibitor and phonographic annunciator that shows changing advertisements and has a recording reading them out.
Advertising-Machine
Patent for an advertising machine for displaying various advertising cards in a motorized machine that displays all the different cards as it goes around in a circle.
Advertising-Machine.
Patent for an advertising machine that reverses the travel of the apron that is used to connect with, and where, the display sign is printed. It also easily and efficiently reverses the driving mechanism once the apron is completely unwound from one of the rollers. The patent includes illustrations.
Advertising-Shield for Vehicle-Wheels
Patent for a shield for vehicle wheels that can be used for advertising.
Aerating-Churn.
Patent for an improved churn for aerating cream by forcing air down a pipe into the churn.
De-Aerator
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.
Aerial Navigating Apparatus.
Patent for an aerial navigating apparatus with more details of combinations, construction, and presentation of parts.
Aerial Vehicle
Patent for an aerial vehicle. Illustrations included.
Aerodrome
Patent for an aerodrome/helicopter with improved wing design.
Aerodrome
Patent for an aerodrome. Illustrations included.
Aerodrome
Patent for an aerodrome. Illustrations included.
Aeroplane
Patent for an aeroplane that will maintain its balance in the air automatically
Aeroplane
Patent for an aeroplane which has its equilibrium maintained by the operator through levers that bring the plane up or down.
Aeroplane
Patent for an improvement to aeroplanes which includes movable horizontal and vertical planes (or curtains).
Aeroplane.
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).
Aeroplane
Patent for an aeroplane. Illustrations included.
Aeroplane
Patent for an aeroplane. This invention does not use any mechanism to maintain the planes equilibrium. Illustration included.
Aeroplane.
Patent for an improved rotary airplane engine patterned after the Gnome type with extra blades attached to the engine cylinders.
Aeroplane.
Patent for an aeroplane which is a device that is able to travel through the air due its shape and the reaction from atmosphere and gravity.
Agricultural Implement
Patent for an agricultural implement. Illustrations included.
Agua Fria Quadrangle
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:62500
Air Blast Apparatus for Cotton Gins
Patent for an air blast apparatus used for cleaning cotton gins. Illustration included.
Air-Brake
Patent for an air brake for trains that reduces jerking when the brakes are applied.
Air-Brake Coupling
Patent for an air brake coupling for use on trains that opens the air valves when the coupling is attached.
Air-Brake System
Patent for an air brake system for trains which does not require waiting between uses for the brakes to recharge with air.
Air-Compressor.
Patent for a more efficient air compressor with high and low pressure chambers formed of mating sections that can be detached to make repairs to the piston as necessary.