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4 Matching Results
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Water-Motor.
Patent for a more powerful and efficient water motor which is durable and comparatively affordable to manufacture.
Date:
August 16, 1921
Creator:
Brady, Enoch J.
System:
The Portal to Texas History
Well Stuffing-Box.
Patent for improvements on well stuffing boxes, particularly in packing the vertically reciprocating pump rod and keeping it packed over time, so that the stuffing box doesn't need to be dismantled for manual adjustments.
Date:
November 16, 1915
Creator:
Church, George W.
System:
The Portal to Texas History
Drill-Collar.
Patent for a new design for collars to be used on water-flushed rotary drills, including instructions and illustrations.
Date:
March 16, 1915
Creator:
Myers, George S.
System:
The Portal to Texas History
Extension Pedal Attachment
Patent for extension pedal for automobiles that can be easily and readily adjusted and applied to any ordinary automobile pedal, with illustration (lines 10-15).
Date:
February 16, 1915
Creator:
Harrington, Fred
System:
The Portal to Texas History