UNT Libraries Government Documents Department - 628 Matching Results
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- Account-Book.
- 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.
- Aeroplane.
- Patent for improved propulsion for airplanes involving propellors in the front and rear of the plane. This aids in regulating air currents to stabilize flight, landing and speed. The patent includes illustrations.
- Agricultural Implement
- Patent for a novel and improved implement of this general character including a plurality of supporting members provided with ground working elements together with a body positioned upon said supporting members and wherein said said supporting members and body are capable of relative movement transversely of the direction of travel of the implement.
- Air Brake Attachment.
- Patent for "mechanism for use in connection with railway cars for automatically controlling the air brakes," including instructions and illustrations.
- Air-Feed for Motors.
- Patent for air-feed invention that aims to supply moist air to automobile engines. Illustrations included.
- Air Filtering Gas Burner
- Patent for device that helps prevent air from choking burners when used in cooking.
- Amusement Apparatus
- Patent for an amusement apparatus of the character set forth with and inclined place made of a number of pivoted sections which may be simultaneously moved into horizontal position to form steps or seats and be held in such position by trip device provided with a target which latter upon being hit by a thrown ball will release the several sections of the inclined plane of steps and permit them through the weight of one or more persons thereon to aline one with the other and form a continuous inclined plane or sliding board down which the persons who were seated or standing upon the steps will be caused to slide and be thrown into a body of water over which the apparatus is erected.
- Amusement Device.
- Patent for an invention relating to the amusement device. Advantages and illustrations of the invention and amusement device are included.
- Animal-Trap.
- Patent for Improvements in Animal Traps. This trap is a "self and everset trap" (lines 11-12) with the primary purpose of creating a trap that is "efficient of operation, economical of construction, and sanitary" (lines 14-15).
- Animal-Trap
- Patent for improvements in animal traps, in particular mouse and rat traps. Illustrations included.
- Antikicking Device for Automobiles.
- Patent for a device that catches the crank of hand crank automobiles which were typical of the early 1900s in the United States of America. The invention addresses controlling the motion of the crank and preventing the crank from causing injury.
- Antiseptic Shaving Outfit.
- Patent for a more compact and improved version of an antiseptic shaving outfit, including illustrations.
- Apparatus for Cleaning Deep Wells.
- Patent for a device that uses hot steam to clean caked-on paraffin, mud, and other substances out of oil well pumping apparatuses.
- Apparatus for Cleaning Deep Wells.
- Patent for a device that assists in cleaning deep wells that have caked material in the pumping apparatus by using hot steam.
- Apparatus for Demonstrating and Testing Piston Packing Rings
- Patent for an apparatus that allows for a more accurate and efficient way to test piston packing rings by measuring ease of movement.
- Apparatus for Destroying Insects.
- Patent for improvements to a device for exterminating insects, in particular corn weevils, including illustrations.
- Apparatus for Destroying Weevils.
- Patent for an apparatus for destroying weevils and moths, infesting corn, peas, hay, sweet potatoes, beans, and the like, when stored. The apparatus consists of a container with an improved means of distributing heat to the contents in which the weevils and moths are found.
- Apparatus for Forming Gun Barrels.
- Patent for an apparatus for forming gun barrels that twists a sheet of metal into a tube for the gun barrel at a slight angle, while slightly flattening the tube into an oval shape. This method is supposed to create ribs within the gun barrel.
- Apparatus for Projecting Motion-Pictures.
- Patent for an improvement to motion picture projectors that lowers the operating speed, thus reducing the amount of film needed for movies, and eliminates flickers in the projection. This patent includes instructions and illustrations.
- Arc-Lamp.
- Patent for an arc lamp that features a spring operated clutch mechanism for the upper electrode.
- Armor For Pneumatic Tires.
- Patent for armor for pneumatic tires to prevent puncturing of the inner inflatable tube. To also provide anti-skidding lugs which connect to the flexible armor embodied in the tire casing.
- Armored Car.
- Patent for an armored car or portable fort, that aims to provide a novel and improved armor unit of that nature.
- Attachment for Cameras.
- Patent for an improved camera attachment for adding titles to film that prevents the film from being exposed to light except when the title is photographed, with illustrations.
- Attachment for Coffee-Roasters.
- Patent for an attachment to a coffee-roaster that assists in separating coffee beans from foreign matter.
- Attachment for Internal-Combustion Engines.
- Patent for an invention relating to the attachment for internal combustion engines that will provide moisture through the form of liquid or vapors. Other objectives and illustrations of invention are included.
- Attachment for Internal Combustion Engines.
- Patent for an attachment to internal combustion engines that allows for vaporizing part of the fuel mixture to introduce air and steam that aid combustion efficiency.
- Attachment for Phonographic Reproducers.
- Patent for a device that reduces the crackling sound of records playing on a phonograph.
- Attachment for Planters.
- Patent for attachment for planters that currently employed for planting cotton and corn fields, the object of the invention is to provide a device of this character which embodies novel features of construction whereby the runner is mounted and held firmly in position by action of spring, including illustrations.
- Attachment For Sawmill-Dogs
- Patent for new and useful improvements in attachments for Sawmill-Dogs. This invention relates to sawmill dogs, and has for its primary object to provide a simple and efficient device for retaining the actuating lever of a lever mechanism in adjusted position.
- Attachment for Stalk-Cutters.
- Patent for an attachment for stalk cutters to help prevent corn stalks from clogging the cutter after being cut.
- Automatic Adjustable Feeder Valve
- Patent for fluid pressure regulation valves.
- 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 Alarm for Railroad Crossings
- Patent for alarm for automatic railroad crossings to alert those nearby of an oncoming train.
- Automatic Binder Attachment for Hay Presses
- Patent for automatic binder attachment for hay presses with accompanying illustrations of the patent.
- Automatic Flame-Regulator
- Patent for a simple mechanical means of automatically maintaining a desired temperature within an incubator lamp.
- Automatic Quick-Acting Vise.
- Patent for a quick-acting, easily operated vise "in which the jaws are automatically held closed upon the work until released." Its simple construction enables it to be inexpensively and efficiently manufactured.
- Automatic Railway-Switch.
- Patent for new and useful Improvements in Automatic Railway-Switches, "particularly to automatic railway switches for use in street railways or steam railways" (lines 13-15), including instructions and illustrations.
- Automatic Slack-Take-Up and Cooling Device.
- Patent for new and useful improvements to Automatic Slack-Take-Up and Cooling Devices for the manufacturing of flexible roofing and other similar flexible materials, including illustrations.
- Automatic Trough Valve.
- Patent for Automatic Trough Valve that includes improvements to automatic float-controlled type vales for the watering of animals.
- Automatic Water Cut-Off
- Patent for improvements to automatic water cut-offs adapted to be useful "in the event of the falling of temperature to freezing or any other predetermined degree of automatically cutting off the flow of the water." (Lines 18-22).
- Automatic Water-Supply Regulator for Windmills
- Patent for automatic water supply regulator to stop flow of water at the specified level. Additionally the wind mill will start when it hits a certain water level, creating an off an on cycle.
- Automobile-Elevator.
- Patent for an automobile elevator for use in garages, which operates using the car's own movement.
- Automobile-Fender
- Patent for automobile fenders to provide a fender that can be used in conjunction with various types of motor vehicles and "prevent a person from being run over by the vehicle equipped with the fender" (lines 13-14).
- 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-Headlight-Lamp Mounting.
- Patent for the improvement of automobile headlight lamp mountings. Improvement on lamp bracket described in Letters Patent Number 1,129,207, issued to the author on February 23, 1915.
- Automobile Lock.
- Patent for "certain new and useful improvements in automobile locks", including instructions and illustrations.
- Automobile Projectile.
- Patent for self-propelled vehicle with means for reducing a barrier such as a wire entanglement.
- Automobile Security Lock Device.
- Patent for a new and useful form of automobile lock adaptable for use in connection with the steering column and steering wheel of the car or automobile to be locked.
- Automobile Signal
- Patent for a signal of the nature indicated including a signal arm controlled in novel manner and movable from one position to another, the signal arm being inoperative in one position, and when moved to the other position being visible to other vehicles and pedestrians both in front and in rear, to warn them of the intention of the operator driver to turn.
- Automobile Steering Apparatus.
- Patent for automobile steering apparatus, adding two rear wheels and mounting an enlarged body on the frame which will allow a considerable number of passengers to be carried and many advantages had as a public service vehicle.