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Automatic Density-Indicator for Slime-Pulp Separators.
Patent for devices that thickens slimes for ore milling operations in which it will indicate the density and regulate it so it will not go below a predetermined value.
Date:
June 22, 1920
Creator:
Allen, Charles
Object Type:
Patent
System:
The Portal to Texas History
Derrick.
Patent for improvements to derricks for oil wells.
Date:
June 9, 1920
Creator:
Babek, Frank
Object Type:
Patent
System:
The Portal to Texas History
Penholder.
Patent for a simplified construction of a pen holder which is inexpensive to manufacture. It detachably engages the pen point, prevents rusting and sticking. Releases pen point without user needing to grip, therefore avoiding sullying fingers.
Date:
June 22, 1920
Creator:
Baldwin, Charles E.
Object Type:
Patent
System:
The Portal to Texas History
Liquid-Fuel Burner.
Patent for improvements in liquid fuel burner that generates gas from liquids that requires no labor or supervision.
Date:
June 8, 1920
Creator:
Bittner, Emil R.
Object Type:
Patent
System:
The Portal to Texas History
Rotary Drilling-Machine.
Patent for well drilling rigs also known as rotaries that provides a new way for controlling the slips that eliminates all danger of injury to workers.
Date:
June 1, 1920
Creator:
Black, Lee J.
Object Type:
Patent
System:
The Portal to Texas History
Razor.
Patent for a safety razor, with the objects of a creating a novel frame for holding a razor blade of any desired sort, and so that the vibrations will not be transferred to the carrying frame.
Date:
June 22, 1920
Creator:
Brasier, William Harry
Object Type:
Patent
System:
The Portal to Texas History
Coaling Device.
Patent for coal colliers that breaks the coal into small pieces and lifts the coal to pour the coal into the ship's bunkers.
Date:
June 22, 1920
Creator:
Buchanan, Stewart Harold
Object Type:
Patent
System:
The Portal to Texas History
Rail Joint and Brace.
Patent for an improvement to rail joint structures that extends structural longevity by bracing the rails against each other.
Date:
June 1, 1920
Creator:
Buck, Landon A.
Object Type:
Patent
System:
The Portal to Texas History
Peanut-Harvester
Patent for a peanut harvester which can be attached to a standard cultivator frame. It is designed to uproot and sever peanut vines, then deposit the newly aerated peanut vines back onto the ground.
Date:
June 29, 1920
Creator:
Byrd, Gordon W.
Object Type:
Patent
System:
The Portal to Texas History
Silo
Patent for a silo that is constructed in sections, making transport more efficient.
Date:
June 15, 1920
Creator:
Comer, John H.
Object Type:
Patent
System:
The Portal to Texas History
Auto Steering-Lock
Patent for a lock designed to attach to the spokes of a steering wheel with the intention of guarding it from "unauthorized persons" (line 20), including illustrations.
Date:
June 1, 1920
Creator:
Cosby, Luther F.
Object Type:
Patent
System:
The Portal to Texas History
Automobile-Radiator.
Patent for improvements in automobile radiators to provide the ability to remove the top and the bottom of the tanks so they can be easily reached for replacement and repair.
Date:
June 15, 1920
Creator:
Costelloe, Clinton & Stoll, Sherm G.
Object Type:
Patent
System:
The Portal to Texas History
Collapsible Bench.
Patent for a collapsible bench that improves the structure of general work benches by folding together when not being used.
Date:
June 15, 1920
Creator:
Danyluk, Iwan.
Object Type:
Patent
System:
The Portal to Texas History
Fork
Patent for a mechanical fork that is operated using the thumb or finger.
Date:
June 15, 1920
Creator:
Denman, Hugh Emery
Object Type:
Patent
System:
The Portal to Texas History
Shoe-Securing Device
Patent for a fastening strap that secures baby shoes to baby feet, including illustrations.
Date:
June 29, 1920
Creator:
Elliot, Eloise Foster
Object Type:
Patent
System:
The Portal to Texas History
Shutter-Actuating Apparatus.
Patent for a device which acts as "a simple and relatively inexpensive apparatus by means of which a camera shutter may be operated either for snapshots or time exposures, from a point at a distance from the camera so that the operator may be included in the photograph and yet be able to absolutely control the time and duration of the exposure" (lines 10-17). Illustrations included.
Date:
June 29, 1920
Creator:
Emmrick, Hans B.
Object Type:
Patent
System:
The Portal to Texas History
Display Device
Patent for improvements in display devices that displays apparel without taking up a lot of space and will be out of the way when not needed.
Date:
June 29, 1920
Creator:
Frank, Henry L. A.
Object Type:
Patent
System:
The Portal to Texas History
Cultivator Tongue
Patent for a a tongue that can be connected with a cultivator where the free lateral swinging of the tongue and the cultivator can be induced.
Date:
June 15, 1920
Creator:
Franklin, Iva A. & Mangum, Sam E.
Object Type:
Patent
System:
The Portal to Texas History
Pneumatic Pump.
Patent for pumps for oil and water wells that can be operated by compressed air to force the water or oil out of the well.
Date:
June 29, 1920
Creator:
Goss, George W.
Object Type:
Patent
System:
The Portal to Texas History
Shocker.
Patent for improving automatic grain shockers and cappers by adding adapted frames, with illustrations.
Date:
June 15, 1920
Creator:
Groves, Charles H.
Object Type:
Patent
System:
The Portal to Texas History
Railroad-Crossing Shock-Absorber.
Patent for railroad crossings to protect the rails from contact with the vehicle wheels and to absorb the jar and vibration from passing vehicles over the crossing.
Date:
June 15, 1920
Creator:
Hargrave, Russell R.
Object Type:
Patent
System:
The Portal to Texas History
Metal Mine Ventilation and its Relation to Safety and Efficiency in Mining Operations
Report on mine ventilation and its relation to safety and efficiency.
Date:
June 1920
Creator:
Harrington, D.
Object Type:
Report
System:
The UNT Digital Library
Cotton-Chopper.
Patent for agricultural machines to "permit the chopper to pass predetermined plants during the operation of the machine through a planted field." (lines 13-16)
Date:
June 15, 1920
Creator:
Hart, Granville M. & Wall, James Edgar
Object Type:
Patent
System:
The Portal to Texas History
Screening Device for Oil-Wells.
Patent for improvements in a screening device for oil wells that is specially made for wells constructed in places of strong gas pressure.
Date:
June 8, 1920
Creator:
Houston, Sidney H.
Object Type:
Patent
System:
The Portal to Texas History