Boiler-Cleaner (open access)

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. (open access)

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. (open access)

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. (open access)

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 (open access)

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