30 Matching Results

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Rail-Joint. (open access)

Rail-Joint.

Patent for the "improvements in rail joints, the object being to so construct and arrange the meeting ends of two railway rails as to provide interlocking members..." (lines 8-12). The patent includes specifications and illustrations.
Date: April 14, 1914
Creator: Evans, James B., Sr.
System: The Portal to Texas History
Puncture-Proof Auto-Tire (open access)

Puncture-Proof Auto-Tire

Patent for puncture-proof auto tires aimed at reducing (or eliminating entirely) automotive tire punctures and blowouts. The design prioritizes the protection and strengthening of tire walls for these purposes alongside a simplicity in design which lends itself toward (comparatively) low manufacturing costs.
Date: June 14, 1921
Creator: Fenley, Robert H.
System: The Portal to Texas History
Sleeve Extractor (open access)

Sleeve Extractor

Patent for sleeve-extractor with improvements, including illustrations.
Date: May 14, 1918
Creator: Carpenter, George L.
System: The Portal to Texas History
Washing-Machine. (open access)

Washing-Machine.

Patent for a washing machine that has better water pressure for washing that prevents damage to garments. The design for the washing machine also reduces production costs.
Date: June 14, 1921
Creator: Latham, Minnie M.
System: The Portal to Texas History
Skeleton Structure. (open access)

Skeleton Structure.

Patent for Skeleton Structures or convertible structures able to be used different agricultural uses that "may be disassembled and reassembled in a different shape either by using the same parts or by adding additional parts," (line 25-28) including illustrations.
Date: December 14, 1920
Creator: Dietz, Paul, A.
System: The Portal to Texas History
Mirror Support (open access)

Mirror Support

Patent for improvements in mirror supports are primarily adapted by travelers. The mirror can also be supported by an electric bulb and can also be turned at varying desired angles.
Date: March 14, 1922
Creator: Reavis, Jesse O.
System: The Portal to Texas History