Counties
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Sample-Taking Device.
Patent for a sample-taking device to be used in well-drilling processes, which is unique in its simple construction, low manufacturing costs, and ease of use.
Date:
May 24, 1921
Creator:
Christian, Walton G.
System:
The Portal to Texas History
Hydraulic Swivel.
Patent for a hydraulic swivel which may be used for well drilling, has an inlet at the side, and is designed to be in few parts for reduced packaging.
Date:
May 24, 1921
Creator:
King, Walter E.
System:
The Portal to Texas History
Condenser for Cotton-Presses.
Patent for "Improvements in Condensers for Cotton-Presses," (lines 6-7) including illustrations. The invention is designed with cotton bale presses in mind, specifically the "condenser or bat forming device" (line 11).
Date:
May 24, 1921
Creator:
Taft, John A.
System:
The Portal to Texas History