Conveyer. (open access)

Conveyer.

Patent for a new conveyer design “which is particularly adapted to load or unload railroad-car wheels or other heavy material on and of cars” (Lines 13-15) including illustrations.
Date: July 22, 1902
Creator: St. James, Henry Livingston
System: The Portal to Texas History
Car Door (open access)

Car Door

Patent for a rail-car door. This invention is in relation to 'flush doors'. Illustration includes.
Date: March 22, 1904
Creator: Saling, Thomas W. & McKiel, James
System: The Portal to Texas History
Improvement in liquid-measuring tanks. (open access)

Improvement in liquid-measuring tanks.

Patent for an airtight and fireproof measuring tank for lamp oils, usable in both daytime and nighttime. Includes illustrations.
Date: August 22, 1876
Creator: Williams, Blasius
System: The Portal to Texas History
Improvement in Revolving Conical Mold-Boards (open access)

Improvement in Revolving Conical Mold-Boards

Patent for improvements and new design for a Revolving Conical Mold-Board Plow.
Date: May 22, 1877
Creator: Dryer, Charles Valentine
System: The Portal to Texas History
Side Frame for Railroad Trucks (open access)

Side Frame for Railroad Trucks

Patent for side frame for railroad trucks to prevent the accidental detachment of the binder or tie bar.
Date: December 22, 1914
Creator: Horton, James M.
System: The Portal to Texas History
Monkey-Wrench. (open access)

Monkey-Wrench.

Patent for a wrench, which can be used as a S wrench or a monkey wrench and is durable.
Date: March 22, 1910
Creator: Post, Parley C.
System: The Portal to Texas History