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11 Matching Results
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Automatic Air and Gas Relief Valve for Oil-Distributing Systems.
Patent for an air and gas relief valve for oil piping systems that improves upon the need for pumps to get rid of the accumulation of air and gas before pumping oil, with illustrations.
Date:
May 24, 1921
Creator:
Mobley, Henry Grady
System:
The Portal to Texas History
Adjustable Friction-Grab for Fishing-Tools.
Patent for friction grabs for fishing tools in well drilling operations that can be "easily adjusted for different sized holes or wells and which will be automatically adjusted and the grabs automatically closed on the object to be removed" (lines 14-17).
Date:
May 24, 1921
Creator:
Dickson, Lawrence E.
System:
The Portal to Texas History
Car-Rail Hose-Bridge.
Patent that provides a hose-bridge that is light in weight and simple in construction, that can be carried on the cars or stored at different points on the line convenient for use.
Date:
January 24, 1921
Creator:
Tyler, Charley P.
System:
The Portal to Texas History
Coupling.
Patent for a coupling to be used by military vehicles, unique in its "simplicity, rapidity in attachment and detachment, strength and durability" (lines 19-21).
Date:
May 24, 1921
Creator:
Speece, Russell. W.
System:
The Portal to Texas History
Sample-Taking Device.
Patent for a sample-taking device to be used in well-drilling processes, which is unique in its simple construction, low manufacturing costs, and ease of use.
Date:
May 24, 1921
Creator:
Christian, Walton G.
System:
The Portal to Texas History
Amusement Device.
Patent for a Ferris wheel in which the passenger cars rotate horizontally in addition to rotating vertically with the direction of the main wheel.
Date:
May 24, 1921
Creator:
Lindamood, Roy S.
System:
The Portal to Texas History
Metal-Coating Composition.
Patent for a metal coating composition to form a protective coating on metals and steel to prevent rust and corrosion.
Date:
May 24, 1921
Creator:
Ethridge, Thomas Jefferson
System:
The Portal to Texas History
Condenser for Cotton-Presses.
Patent for "Improvements in Condensers for Cotton-Presses," (lines 6-7) including illustrations. The invention is designed with cotton bale presses in mind, specifically the "condenser or bat forming device" (line 11).
Date:
May 24, 1921
Creator:
Taft, John A.
System:
The Portal to Texas History
Non-Skid Device
Patent for a device that affixes to automobile wheels to provide tire traction and prevent skidding.
Date:
May 24, 1921
Creator:
Williams, Harry S.
System:
The Portal to Texas History
Hydraulic Swivel.
Patent for a hydraulic swivel which may be used for well drilling, has an inlet at the side, and is designed to be in few parts for reduced packaging.
Date:
May 24, 1921
Creator:
King, Walter E.
System:
The Portal to Texas History
Tractor.
Patent for a tractor in which the placement of the power source reduces dead weight and provides a low center of gravity, thereby increasing stability.
Date:
May 24, 1921
Creator:
Martin, John J.
System:
The Portal to Texas History