Combined Car and Air-Brake Coupling (open access)

Combined Car and Air-Brake Coupling

Patent for an invention that provides "a single structure in which the air-brake pipes will be simultaneously coupled with the coupling of a car" (lines 14-17).
Date: September 6, 1892
Creator: Thomas, James Bryant
System: The Portal to Texas History
Vehicle-Tire (open access)

Vehicle-Tire

Patent for a bolt-free spring connection between a vehicle tires inner and outer rims, allowing for an air cushion between rims and improving overall performance of vehicle tires.
Date: September 18, 1917
Creator: Horne, Henry M. & Buford, John C.
System: The Portal to Texas History
Improvement in Horse-Powers (open access)

Improvement in Horse-Powers

Patent for an improvement in Horse Powers and in it's construction.
Date: September 2, 1879
Creator: Smith, William W. & Randall, John C.
System: The Portal to Texas History
Railroad Tie (open access)

Railroad Tie

Patent for Railroad Tie
Date: September 26, 1916
Creator: Stroud, Sam
System: The Portal to Texas History
Saw Filing Machine (open access)

Saw Filing Machine

Patent for a device that will create uniform shape to all the teeth on a saw blade, and can be quickly adjusted.
Date: September 19, 1916
Creator: Wilkinson, Henry R.
System: The Portal to Texas History