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6 Matching Results
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Automatic-Cut-Off
Patent for an automatic cut-off part for a steam inlet pipe.
Date:
March 1, 1921
Creator:
La Bauve, William H.
System:
The Portal to Texas History
Improvement in Bee-Hives.
Patent for a bee-hive that prevents insects (such as moths) from entering therein and maximizes the amount of honey collected from the hive, including a detailed explanation and description of the illustration.
Date:
March 5, 1878
Creator:
Park, Jesse W.
System:
The Portal to Texas History
Improvement in Soldering-Irons
Patent for a new and improved soldering iron, which only gives off so much heat from one end and not the other. This patent of the soldering iron a safer tool to work with.
Date:
March 21, 1877
Creator:
Stevens, Hennell
System:
The Portal to Texas History
Means for Reducing Wear in the Working Barrels of Pumps
Patent for a means of reducing wear in the working barrels of pumps. The pumps made in this wat are specially adapted for operations in water or oil wells where the fluid being pumped is is mixed with sand and sediment.
Date:
March 4, 1919
Creator:
Carmichael, Robert E.
System:
The Portal to Texas History
Pump
Patent for a water pump. Illustration included.
Date:
March 22, 1904
Creator:
Park, Henry Jackson & Darrough, Rufus Clark
System:
The Portal to Texas History
Rotary Boring Drill
Patent for a rotary boring drill to be used in mining and drilling.
Date:
March 4, 1919
Creator:
Carmichael, R. E.
System:
The Portal to Texas History