Counties
5 Matching Results
Results open in a new window/tab.
Results:
1 - 5 of
5
Combined Hose-Reel and Valve.
Patent for a hose reel and valve in which the act of unwinding the reel automatically opens the valve; includes instructions and illustrations.
Date:
March 23, 1915
Creator:
Landry, Rosamond L.
System:
The Portal to Texas History
Tractor.
Patent for improvements to the tractor with adjustable framework for the wheels (narrower or wider).
Date:
March 23, 1920
Creator:
Weaver, William S.
System:
The Portal to Texas History
Unscrewing Device for Pipe-Joints.
Patent for an unscrewing device for pipe-joints, in the event that the drill stem gets stuck while drilling wells. This invention allows the user to unscrew "the joints of the drill stem" and withdraw "the same without the use of the left hand threaded string of pipe" (lines 35-38).
Date:
March 23, 1920
Creator:
Edwards, Charles R.
System:
The Portal to Texas History
Detachable Drill-Bit.
Patent for a detachable drill bit for use in drilling deep wells via the rotary method, where the bit can be replaced with the drill stem still in the bore.
Date:
March 23, 1916
Creator:
Carden, David A.
System:
The Portal to Texas History
Culvert.
Patent for a culvert which is to be used for sewers or other underground conveyers. Its is to be composed of varying materials that can be easily shipped and jointed together to form the sewer or other underground conveyer.
Date:
March 23, 1920
Creator:
Charliss, Charles F. J.
System:
The Portal to Texas History