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6 Matching Results
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Breakwater.
Patent for a new and improved breakwater. This design "furnish[es] breakwaters for protecting harbors and roadsteads, and keeping open channels through bars at the entrances of harbors, the mouths of rivers, and in other places, and which shall not be liable to be destroyed by the marine worm" (lines 13-19).
Date:
August 9, 1881
Creator:
Follett, Alexander Glass
System:
The Portal to Texas History
Apparatus for Sulfur Mining
Patent for "new and useful improvement" for sulfur mining by Mr. Robert Carmichael. This device has particular application for mining in subterranean environments, "by use of pumping a heated fluid down into contact with a sulfur strata" (lines 14-15).
Date:
December 9, 1919
Creator:
Carmichael, Robert E.
System:
The Portal to Texas History
Ditch-Filling Machine
Patent for a Ditch-Filling Machine, focusing on improved operational efficiency and cost-effectiveness. The upgraded machine boasts user-friendly features, making it easily operable, while simultaneously reducing production costs in comparison to its predecessor.
Date:
August 9, 1921
Creator:
Witt, William C.
System:
The Portal to Texas History
Improvement in Screw-Propulsion.
Patent for "a new and useful Improvement in Screw-Propellers and their adaptation to the hulls of vessels" (lines 4-6) including illustrations.
Date:
November 9, 1875
Creator:
Wilson, Joseph Erwin
System:
The Portal to Texas History
Sample-Taking Device
Patent for a sample taking device "for use in preserving the log of the well in drilling operations in earth, rock or other similar formations." (lines 12-14). Specially adapted for use in drilling wells for oil and sulfur, specifically in the Gulf Coast region.
Date:
December 9, 1919
Creator:
Carmichael, Robert E. & Hamman, George
System:
The Portal to Texas History
Pipe-Wrench.
Patent for the improvement of pipe wrenches necessary for use in well drilling or other circumstances where a wrench of strong construction is needed. This patent provides for a pipe wrench that can be easily adjusted to fit pipes of differing sizes and is easily manipulated for use regardless of direction.
Date:
December 9, 1919
Creator:
Carmichael, Robert E.
System:
The Portal to Texas History