5 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
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
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
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