Resource Type
Country
Counties
6 Matching Results
Results open in a new window/tab.
Results:
1 - 6 of
6
Automatic Pipe Coupling
Patent for improvement on the methods of controlling oil flow.
Date:
September 2, 1919
Creator:
Childs, William L.
System:
The Portal to Texas History
Automobile-Lock.
Patent for a padlock and mount for the steering column of an automobile.
Date:
December 2, 1919
Creator:
Ritchie, Allen A.
System:
The Portal to Texas History
Valve Remover.
Patent for "an improvement in combination tools...adapted for use with internal combustion engines...mechanism is provided for assisting in valve removing." [lines 8-14]
Date:
December 2, 1919
Creator:
Ingram, George W.
System:
The Portal to Texas History
Well-Boring Apparatus
Patent for a new and improved well-boring apparatus that rotates a drill stem. The drill is then elevated when it is desired to unscrew the joints.
Date:
September 2, 1919
Creator:
Headrick, James O.
System:
The Portal to Texas History
Well Capping Device.
Patent for "new and useful improvements in a well capping device." [lines 9-10]
Date:
December 2, 1919
Creator:
Thrift, Homer C.
System:
The Portal to Texas History
Device for Forming Screens
Patent for a device for forming screens that consist of perforated pipes and screening wires, which will prevent displaced wires and torn pipes during use.
Date:
December 2, 1919
Creator:
Edwards, Charles R.
System:
The Portal to Texas History