UNT Libraries Government Documents Department - 44 Matching Results
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- Safety Hat Pin
- Patent for a safety hat pin for protection against workplace injuries, including illustrations.
- Garden Implement
- This a letter from John S. Ward to the United States Patent Office. John S. Ward described and proposed his invention on Garden Implement and he provided a detail of diagrams of how the device could improve the Garden or field hand implements. It enables the hoe and weeder adapted to turn over the soil and to cut the root of the grass.
- Pump
- Patent for a pump. This invention is designed to improvement pumps, by addition of a dish-like deflector within the water box that forces water down into the well preventing leakage around the pump head.
- Automatic Safety-Burner
- Patent for an automatic safety burner for lamps that turns off the flame if the lamp is tilted.
- Actuating Device for Circuit Closers
- Patent for an actuating device for circuit closers. Illustration included.
- Automatic Poultry-Disinfector
- Patent for an automatic poultry disinfector that is applied to the chickens necks while they are eating.
- Clamp for Pump Rods and Well Tubes
- Patent for a clamp for pump rods and well tubes. Illustration included.
- Aeroplane
- Patent for an aeroplane. This invention does not use any mechanism to maintain the planes equilibrium. Illustration included.
- Can Soldering Machine
- Patent for a can soldering machine. This device is designed to solder multiple units of lids to cans. Illustration included.
- Blotting Pad
- Patent for an ink blotting pad. Illustration included.
- Brooder
- Patent for a brooder which prevents chicks from entering after a certain number have gone through the door.
- Car-Door Mechanism
- Patent for a sliding car door mechanism.
- Acetylene-Gas Generator
- Patent for an acetylene gas generator designed to prevent from being overcharged with carbide. Illustrations included.
- Wire-Cutter
- Patent for a wire cutter specifically for hay bale ties.
- Well-Boring Apparatus
- Patent for a well-boring apparatus that has a rotary drill pipe.
- Machine for Cracking Nuts
- Patent for a machine for cracking nuts of various types but especially pecans.
- Lunch Box
- Patent for a lunch box.This invention is designed with a secured latching lid. Illustration included.
- Vehicle-Wheel
- Patent for a vehicle wheel with spring spokes that will not easily break on rough roads.
- Valve
- Patent for a tank valve. Illustrations included.
- Valve
- Patent for a valve for rotary steam engines.
- Liquid-Fuel Burner
- Patent for a liquid fuel burner for steam engine boilers.
- Spike
- Patent for spikes for securing rails to railroad ties. Illustrations included.
- Watch
- Patent for a watch case that can have different size clock works put in it.
- Music-Leaf Turner
- Patent for a music leaf turner that is operated by a foot lever.
- Motor-Driven Impliment
- Patent for a motor-driven farming tool that can be used as a cultivator, planter, or plow. Illustrations included.
- Process of Separating Ores &c
- Patent for a process of separating oxid or carbonate metallic ores from a surrounding mineral through the use of a mixture of an oily liquid, water, and an alkali metal.
- Preserved Wood and Process of Making Same
- Patent for a process for preserving wood by treating it with various anti-septic chemicals mixed with oil that stops the wood from decaying for a long time.
- Grain-Door
- Patent for a grain car door that keeps the grain securely in the railroad car.
- Hay-Press
- Patent for a hay-press that has an improved plunger.
- Hinge Seat Cutter
- Patent for as hinge seat cutter. This device is designed to cut apertures so that mounted windows and door will be flush. Illustration included.
- Railway Tie
- Patent for a railway tie.
- Whip-Socket
- Patent for a whip-socket that locks the whip in place.
- Spring-Wheel
- Patent for a spring wheel designed with a rim that supports the hub so that the wheel can rotate smoothly and quietly. Illustrations included.
- Switch-Stand
- Patent for a switch stand with a switch signal light to indicate whether a railroad switch is open or closed.
- Roundabout Swing
- Patent for a roundabout swing. Illustrations included.
- Trolly Catcher.
- Patent for simple and inexpensive devices for tripping the trolley pole of an electric car by automatically releasing the tension of the maintaining springs which hold the trolley pole in operative position, so that the trolley pole will drop downwardly shortly after it is displaced from under the trolley wheel and not rise up and break the suspension devices.
- Metallic Tie and Rail-Chair
- Patent for a metallic tie and rail chair that eliminates the need for a wooden cross ties in railroad tracks.
- Rotary
- Patent for a rotary with the rotary table secured onto the base. Illustrations included.
- Downdraft-Stove
- Patent for a downdraft stove. Illustrations included.
- Seed-Opening Plow
- Patent for a seed opening and planting plow. Illustrations included.
- Cotton-Chopper
- Patent for a cotton chopper that attaches to a cultivator.
- Drill
- Patent for a drill used for rotary drilling. Illustrations included.
- Desk-Cabinet
- Patent for a metal desk cabinet for holding office supplies.
- Cotton Chopper
- Patent for a cotton chopper. This invention consists of chopping blades attached to the rotary shaft. Illustration included.