63 Matching Results

Search Results

prev Results: 49 - 63

Pipe Tongs.

Description: Patent for pipe tongs for drilling wells using rotary systems. The tongs are designed to be securely held against the drill stem using a lever, making them simple and economical to manufacture.
Date: June 28, 1921
Creator: Hill, Richard D.
Partner: UNT Libraries Government Documents Department

Lock and Key.

Description: Patent for a lock which requires a key that is adjustable and difficult to duplicate in order to prevent lock picking.
Date: June 28, 1921
Creator: Dove, Bascom A.
Partner: UNT Libraries Government Documents Department

Cotton-Picking Machine.

Description: Patent for a cotton-picking machine that arranges the picking elements at different elevations and spaces them apart "so that while several plants will be picked at the same time, only one portion of a plant will be worked on at a time," (lines 14-17), minimizing disturbance of the plant.
Date: June 28, 1921
Creator: Becknell, George T.
Partner: UNT Libraries Government Documents Department

Roadway.

Description: Patent for an improved roadway that utilizes concrete tracks and asphalt or bitumen filler to create a grooved, hard, and durable surface, with illustrations.
Date: June 28, 1921
Creator: Moore, Stuart B.
Partner: UNT Libraries Government Documents Department

Process and Apparatus for the Utilization of Heat in Oil-Engines.

Description: Patent for an invention that improves the utilization of waste or surplus heat of internal combustion engines, specifically oil-burning engines of the Diesel type. This invention will assist diesel engines to run satisfactorily on lower or heavier-grade engine oils. This assists in the efficiency and production of Diesel engines.
Date: June 28, 1921
Creator: Lucke, Herbert R.
Partner: UNT Libraries Government Documents Department

Pneumatic Cushioned Tire.

Description: Patent for improvements to pneumatic cushioned tires, including guards to protect and shield the sides against abrasion.
Date: June 28, 1921
Creator: Kerr, Augustus Hallawell; Smith, J. A.; Atkinson, J. M.; Dacus, J. A. & Coley, W. L.
Partner: UNT Libraries Government Documents Department

Mold for Casting the Hulls of Concrete Ships.

Description: Patent for an improved concrete hull mold that allows for durable and efficient hull molding without the need for scaffolding or disassembly once complete, with a dual-wall design that allows an intermediate work chamber during the molding process, including illustrations.
Date: June 28, 1921
Creator: Holmgreen, Julius H.
Partner: UNT Libraries Government Documents Department

Measuring Vessel.

Description: Patent for a measuring vessel that is meant to be used with a gasoline device described in patent application Serial No. 228,889.
Date: June 28, 1921
Creator: McKallip, John C.
Partner: UNT Libraries Government Documents Department

Boiler Washing Machine.

Description: Patent for "Improved Washing Machine" in combination with a boiler, "and with a furnace on which the boiler rests".
Date: June 28, 1870
Creator: Cottingham, Gideon W.
Partner: UNT Libraries Government Documents Department

Corn Planter and Dropper.

Description: Patent for a new and improved seed planter or dropper. This design utilizes a hopper, a shaft provided with cups, a bevel having a countersunk opening provided with a recess, a gate hinged in said recess and held in contact with the cups on the shaft by a spring, and a concave partition fitting the periphery of the shaft, all constructed and arranged in a novel way (lines 68-75). Additionally, this design utilizes a wheel, the motion of which dispenses the seed.
Date: June 28, 1881
Creator: Dawson, John Henry
Partner: UNT Libraries Government Documents Department

Arc-Lamp

Description: Patent for an arc lamp which does not spark for use in headlights for trains and automobiles and in street lights.
Date: June 28, 1910
Creator: Anderson, Thomas J.
Partner: UNT Libraries Government Documents Department

Combined Ruler and Paper-Cutter

Description: Patent for a ruler that may also be used as a paper cutter. Illustrations included.
Date: June 28, 1910
Creator: Dibrell, Frank A.
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for effective removal of cotton plants in an alternating pattern with a standard chopping depth, distance, and speed, with illustrations.
Date: June 28, 1921
Creator: Antoni, Ernst J.
Partner: UNT Libraries Government Documents Department

Attachment for Harvesters and Mowing Machines.

Description: Patent for a new and improved attachment for harvesters and mowers. This design is "to afford means whereby a mowing or reaping machine may be enabled easily to travel over soft or marshy ground; . . . the novelty consists in a shoe proper for each driving-wheel of the machine, each shoe made of a curved piece of metal . . . and provided with a long narrow slot running lengthwise of the shoe, . . . and so adapted that under each wheel one of the shoes shall be placed in such a manner that one … more
Date: June 28, 1887
Creator: Jones, Jeremiah C. & Marshall, Sumner B.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen