2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Fishing Tool for Wells
Patent for device that will remove broken drill heads or foreign matter from drill well.
Date:
December 19, 1916
Creator:
Sheldon, Ward J.
System:
The Portal to Texas History
Steam-Generator.
Patent for a new version of a steam generator that uses internal combustion of "all kinds of liquid fuel and gas" (line 25), and has an "automatically regulated in accordance with the steam pressure" supply of steam in the combustion and mixing chambers.
Date:
December 19, 1916
Creator:
Sands, George. H.
System:
The Portal to Texas History