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Machine for making Water and Oil Screens.
Patent for a new way of making forming "a wire screening surface about a perforated pipe" (lines 67-68) with illustrations.
Date:
November 25, 1913
Creator:
Kreiter, Richard F.; Post, Ernest S.; Roco, Albert L. & Layne, Mahlon E.
System:
The Portal to Texas History
Winding Drum
Patent for an improved winding drum. This uses a different type of adjustable cam that allows for less oscillation and better control of winding and unwinding the cable.
Date:
November 25, 1913
Creator:
Voight, Phillip H. & Kuehne, Oscar C
System:
The Portal to Texas History
Load-Indicator.
Patent for a Load-Indicator for tools being used in drilling a well. The indicator gives an accurate measure of the weight upon the drill, allowing operators to adjust the weight accordingly.
Date:
November 25, 1919
Creator:
Fletcher, Harold W.
System:
The Portal to Texas History
Rotary Boring Drill.
Patent for "rotary boring drills for use in drilling wells or mines in earth or rock" (lines 11-13) including instructions and illustrations.
Date:
November 25, 1919
Creator:
Hughes, Howard R.
System:
The Portal to Texas History
Pipe-Wrench
Patent for a pipe-wrench that features new and useful improvements and also extends the purposes to which the pipe-wrench may be applicable.
Date:
November 25, 1919
Creator:
Steen, Buford J.
System:
The Portal to Texas History