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4 Matching Results
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Broom or Brush
Patent for metal brooms or brushes that are "strong and durable, relatively light in weight, and can be inexpensively manufactured" (line 13-15). It is intended for "sweeping snow, mud, slush, and the like" (line 16-17). The patent can also be applied for smaller version of metal brooms or brushes for other purposes.
Date:
March 16, 1915
Creator:
Airhart, Noah S.
System:
The Portal to Texas History
Oil Burner
Patent for a oil burner. "This invention relates to improvements in that class of burners used for burning hydrocarbon oils or liquid fuel, and while it is more especially intended to be used for heating steam generators or boiler" (8-12) illustrations included.
Date:
June 16, 1903
Creator:
Wafer, William H.
System:
The Portal to Texas History
Electromagnetic Ore-Separator.
Patent for an electromagnetic ore separator, which reduces the risk of any valuable particles falling with the waste mineral material below the magnetic surface.
Date:
February 16, 1909
Creator:
Charlton, Thomas
System:
The Portal to Texas History
Nozzle.
Patent for a hose nozzle with increased capacity and efficiency. Includes instructions and illustrations.
Date:
March 16, 1897
Creator:
Adams, Don B.
System:
The Portal to Texas History