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7 Matching Results
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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
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
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
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
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.
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
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