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5 Matching Results
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Combined Filtering and Heating Device
Patent for a combined filtering and heating device for water that is attached to a dentist chair.
Date:
February 21, 1911
Creator:
Gambati, Olympio F.
System:
The Portal to Texas History
Casing Mechanism
Patent for a casing mechanism for placing in oil wells to block water flow.
Date:
February 14, 1911
Creator:
Stewart, John S.
System:
The Portal to Texas History
Combined Heater and Filter
Patent for a combined heater and filter. This invention is used in a dentists office to regulate the water supply for at the dentists chair. Illustration included.
Date:
February 21, 1911
Creator:
Gambati, Olympio F.
System:
The Portal to Texas History
Oxygen-Generator
Patent for an oxygen generator that refills as it is emptied.
Date:
February 7, 1911
Creator:
Bradley, Richard Clinton
System:
The Portal to Texas History
Rotary Engine
Patent for a rotary engine with a better flow of fluid to the casing.
Date:
February 7, 1911
Creator:
Nichols, Franklin Priestley
System:
The Portal to Texas History