Driving Gearing for Motor Vehicles (open access)

Driving Gearing for Motor Vehicles

Patent for a driving mechanism that allows all four wheels of a motor vehicle to be used for traction purposes.
Date: April 20, 1915
Creator: Twyford, Robert E.
System: The Portal to Texas History
Hose-Coupling. (open access)

Hose-Coupling.

Patent for a coupling device for train pipes used on railroad trains to connect fluid conduits and similar pipes.
Date: April 20, 1915
Creator: Hume, John
System: The Portal to Texas History
Lubricating Device for Rotary Drills (open access)

Lubricating Device for Rotary Drills

Patent for improving the lubricating devices for rotary drills, especially the rotatble cutting devices attached to the head of the drill.
Date: April 20, 1915
Creator: Hughes, Howard Robard
System: The Portal to Texas History
Reamer (open access)

Reamer

Patent for the improvement of vertical reamers used in the drilling of wells. Intended to provide a multi-bladed reamer that expands holes more evenly with less parts than previous models.
Date: April 20, 1915
Creator: Hughes, Howard R.
System: The Portal to Texas History
Coop. (open access)

Coop.

Patent for a coop to ship poultry and similar animals. Slidable slats and bars allow for food and water access.
Date: April 13, 1915
Creator: Ferguson, Charles W.
System: The Portal to Texas History
Farm-Gate (open access)

Farm-Gate

Patent for a farm gate that is easy to manufacture and assemble.
Date: April 13, 1915
Creator: Cardwell, Charles E. & Jenkins, R. E. Lee
System: The Portal to Texas History
Polishing-Machine (open access)

Polishing-Machine

Patent for improvements in polishing machines for "polishing marble and other similar stones... and giving a smooth surface to any material of like character." Invention provides a "movable abrading member...and comprehends and mechanism whereby said member may be automatically moved back and forth over the surface to be polished."
Date: April 6, 1915
Creator: Giesberg, John G.
System: The Portal to Texas History