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5 Matching Results
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Boiler-Cleaner
Patent for an appliance to clean boilers. Device remains in boiler and sucks dirt particles out.
Date:
January 1, 1918
Creator:
Cross, William G.
System:
The Portal to Texas History
Automobile-Tire.
Patent for a device that provides a cushion to spring wheels.
Date:
January 1, 1918
Creator:
Dalwigk, Hermann
System:
The Portal to Texas History
Waterproof Car-Door.
Patent for a freight car door of "strong, durable, and inexpensive construction which will be water and air tight, and which will be practically indestructible in case of a wreck" (lines 17-20) including illustrations.
Date:
January 1, 1918
Creator:
Atkinson, George C.
System:
The Portal to Texas History
Spindle Lubricator.
Patent for improving the process of lubricating spindles without removing the wheel, and at a more affordable cost.
Date:
January 1, 1918
Creator:
Stair, Oscar H.
System:
The Portal to Texas History
Hinge Gage and Marking Tool
Patent for a hinge gage (sic) and marking tool.
Date:
January 1, 1918
Creator:
Pummill, George R.
System:
The Portal to Texas History