5 Matching Results
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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
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
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
Lifting and Moving Device
Patent for a construction device to help move heavy machines.
Date:
February 20, 1915
Creator:
Kenyon, H.
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