Country
Counties
5 Matching Results
Results open in a new window/tab.
Results:
1 - 5 of
5
Well-Drill Wrench
Patent for a wrench for drill pipes used in drilling wells. Illustrations included.
Date:
February 18, 1913
Creator:
Osborne, William Rush & Lebus, George Franklin
System:
The Portal to Texas History
Wrench for Rotary Well-Drills.
Patent for a wrench designed to assist in working with rotary well drills. The wrench is adapted for unscrewing the coupling that attaches a drill point to a pipe section, as well as for detaching the pipe sections from one another. The advantage of the wrench is in allowing convenient detachment of the parts of a well drill quickly and efficiently.
Date:
October 21, 1913
Creator:
Lebus, George Franklin
System:
The Portal to Texas History
Internal Pipe-Gripper
Patent for "new and useful Improvements in Internal Pipe-Grippers" (lines 6-7) such as "an improved tool for removing pipes or casings from drilled wells (lines 14-15) including instructions and illustrations.
Date:
August 5, 1913
Creator:
McConnell, Scott R.
System:
The Portal to Texas History
Under-Drilling Bit.
Patent for improvements in the design of under drilling bits in order to "reduce labor, time and expense of drilling" and "to permit the drilling of a more perfect hole" (lines 25-27), including illustrations and a description of the design.
Date:
July 15, 1913
Creator:
English, Harry White
System:
The Portal to Texas History
Underreamer.
Patent for an underreamer with improved construction and increased operating efficiency; including illustrations.
Date:
December 9, 1913
Creator:
Wagner, Warren
System:
The Portal to Texas History