UNT Libraries Government Documents Department - 749 Matching Results
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- Jack
- Patent for a new Jack's that can use in motor cars and other vehicles, It is folded into a compact condition, for storage, within the tool chest of the machine, including illustrations.
- Cultivator Shovel
- Patent for a small shovel, with a blade that can be detached for repairs or replacement.
- Pipe-Wrench.
- Patent for a new invention of pipe-wrench, how it is made and how it is used.
- Surveying Instrument.
- Patent for new and improved surveying instrument for use "in calculating the distance between the point of 'setting up' and the target, without the use of the usual linear chain" (lines 12-15). Illustration and instruction included.
- Operating Mechanism for Window Sash and Screens
- Patent for improvements for window sash and screens, specifically improving opening, adjusting and closing mechanisms.
- Process of Catalyzing Oil and Apparatus Therefor.
- Patent for improvements to oil boiling & processing to preserve its hydrocarbon properties by converting high-boiling oils to low-boiling oils using a specific apparatus for vaporization and a catalyst reheating device, such as a chamber furnace.
- Shock-Absorber.
- Patent for an "improved shock absorber adapted to be attached to the springs of an automobile or other vehicle" (lines 13-14), including illustrations.
- Automobile Driving Mechanism.
- Patent for a driving mechanism for an automobile to dispense with the usual form of transmission gearing and differential, to substitute mechanisms power devices through the medium of a suitable liquid [preferably oil], maintained at a predetermined volume, and to provide a noiseless operating mechanism.
- Vehicle Wheel
- Patent for improved wheel that utilizes spring components in order to disperse the weight of the vehicle evenly.
- Attachment for Spoons.
- Patent for an attachment for spoons, forks, and the like. The attachment is a metal wire loop that attaches to a utensil and is bent to hook onto a vessel such as a bowl to keep the utensil from falling in the vessel.
- Traction Engine.
- Patent for an improved version of traction engine with ambulatory wheels that improve the design, including instructions and illustrations.
- Mattress
- Patent for a mattress. This invention relates more particularly to the pattern of the blank from which the casing is made to provide a simple and durable structure and may be rolled or folded when not in use.
- Heater and Muffler
- Patent for improvements upon the heater and muffler from the previous patent, No. 1173403. Improvments include a systemof choking the expelled gases as they are directed towards the exhaust, and maximizing the heat value.
- Invalid-Bed.
- Patent for attachment to beds for invalids. This device allows the invalid to be raised or placed in the sitting position.
- Parcel Carrier Guard for Bicycles
- Patent for improved Parcel-Carrier Guard for bicycles. Specifically the patent helps to prevent contact with the parcel carrier guard and the front wheel.
- Starting Meachanism for Explosive Engines
- Patent for a mechanism for starting internal combustion engines, and particularly that form of starting devices in which a torsion spring is used.
- Lifting Jack
- Patent for lifting jack used to lift vehicles.
- Gearing for Churns and Ice-Cream Freezers.
- Patent for a new design of an ice cream churn designed "to provide means for operating the dasher or agitator of a churn or ice cream freezer, which is capable of being swung into or out of position at the will of the operator" (lines 11-15).
- Post Hole Digger.
- Patent for a new post hole digger that both facilitates the creation of straight sides to the hole and a mechanism to allow for easy removal of the dirt.
- Knee Pad
- Patent for a knee protector design "which when worn will not inconvenience the wearer when standing or walking" (lines 10-12). Illustrations are included.
- Valve-Grinder.
- Patent for a valve grinder that fit together perfectly to prevent leakage and a consequent loss of power.
- Shutter-Operating Attachment For Photographic Cameras.
- Patent for shuttering operating attachment for photographic cameras. Small mechanical device that is operated by a thumb-lever that causes the shutter of the photographic camera to operate.
- Speed-Recording Instrument
- Patent for a speed reader that can measure the speed of a vehicle with the functions of both indicator and clock to record any unauthorized usage during the day
- Semi-Automatic Steering Gear Operating Mechanism
- Patent for Semi-automatic Steering Gear Operating Mechanism
- Resilient Wheel.
- Patent for improvements in the structure of wheels.
- Lubricating Device
- Patent for lubricating device which is a dispenser for liquids or semi liquids to come out of.
- Harvester
- Patent for harvesting produce, as well as straightening fallen stalks for easier harvesting.
- Animal Trap
- Patent for a trap to catch small animals
- Type Writing Machine
- Patent for type-writing machine used to center heading on a document in typewriting machines. With the success of the invention, the carriage-spacing key is depressed once for each letter in the word being centered.
- Silo.
- Patent for an improvement of a silo that includes a sliding door, including illustrations.
- Convertible Furniture.
- Patent for convertible furniture used in education. Features a table which can be easily converted from a flat desk, to an inclined black-board, and can store building blocks and similar items.
- Tie-Plate.
- Patent for imrpoved tie plates that will prevent the rails from wearing down the ties.
- Railway-Rail Brace.
- Patent for a new railway-rail brace designed "particularly to be used on curves of rail-way tracks, and which ties the rails as to prevent spreading of said rails" (lines 13-16), including illustrations.
- Display Advertising Machine
- Patent for rotating machine which will display papers or advertisements for cetain intervals of time before rotating and changing.
- Gate Valve
- Patent for gate valves for oil and other types of reservoirs.
- Operating Device For Camera Shutters
- Patent for Operating Device For Camera Shutters
- Bridle-Bit
- Patent for improvements in bridle bits, particularly bridle bits known as curb bridle bits. One of the objects is to provide means whereby the curb loop or strap is prevented from engaging the lips of the horse when strain is applied to the driving reins.
- Ice-Box.
- Patent for an invention of simple and efficiently designed ice boxes.
- Reciprocating Valve.
- Patent for a reciprocating valve. This valve is adapted for use with air, gases, or liquids.
- Sliding-Door Mechanism.
- Patent for a new sliding door mechanism that allows for doors to be opened and shut by a foot-operated pedal without the use of one's hands, including illustrations.
- Flexible Stay Bolt
- Patent for Flexible Stay Bolt
- Mail Bag Catching and Delivering Device
- Patent for a device that will quickly exchange mail bags between a moving train and a station.
- 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.
- Automatic gas-lighter
- Patent for automatic gas lighter, designed for igniting the headlights of auto vehicle, the principle object was to attach a simple automatic lighter to any automobile which is cheaper and reliable.
- Check-Book.
- Patent for a checkbook holder that includes a special binder for check stubs, with instructions and illustration. When a new set of checks and binder are inserted into the holder, the old binder of stubs can be easily removed and saved, for receipt purposes.
- Railway-Switch Stand.
- Patent for a railway switch stand that locks "a switch of this class and from which the lock cannot be removed except when the switch is fully locked, thus obviating accidents by always insuring a locked condition of the switch after operation and thereby preventing the switch from being subsequently actuated by unauthorized persons" (lines 11-20), including illustrations.
- Refillable Multiple Fuse Plug
- Patent for a fuse plug that can be used multiple time without chargine, and includes several arms in its interior that allows for usage even if on fuse arm is blown, it can simply be moved to the next one.
- Combined Rat and Mouse Trap.
- Patent for a cheaper and more effective trap that displays live bait but is unreachable to animals. The trap will make it "impossible for animals to escape after they have been captured" (lines 26-28), including illustrations.
- Automatic Switch Throwing Apparatus
- Patent for a device that will automatically throw a switch upon the presence of an on-coming train, and switch it back after the train has passed.
- Method of Making Lubricants.
- Patent for method of creating a lubricant using graphite and lubricating oils.