UNT Libraries Government Documents Department - 10 Matching Results

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Centrifugal Separator.

Description: Patent for a centrifuge that can effectively and efficiently separate heavy oils from acids "with which the oil has been mixed or emulsified as a clarifying or decolorizing agent" (lines 14-16), with illustrations.
Date: March 14, 1922
Creator: Paul, Christian F., Jr.
Item Type: Refine your search to only Patent

Hydraulic Classifier.

Description: Patent for hydraulic classifier for the treatment of ore. The invention subjects settling solid particles to a secondary classification and prevent the contamination of the settling solids before they are discharged.
Date: March 21, 1922
Creator: Allen, Charles
Item Type: Refine your search to only Patent

Ice-Holding Device.

Description: Patent for a device to hold ice upon running-boards of vehicles (lines 10-11.) This device is flexible in use (it can be pulled up to reveal the ice, and put back out of the way), simple in design, and cheap to construct.
Date: March 21, 1922
Creator: Barton, Warren D.
Item Type: Refine your search to only Patent

Mirror Support

Description: Patent for improvements in mirror supports are primarily adapted by travelers. The mirror can also be supported by an electric bulb and can also be turned at varying desired angles.
Date: March 14, 1922
Creator: Reavis, Jesse O.
Item Type: Refine your search to only Patent

Oil Burner

Description: Patent for an oil burner. This oil burner is designed to consume fuel in a cheaper and more economical manner.
Date: March 14, 1922
Creator: Mills, Virgil H. & Mills, John H. T.
Item Type: Refine your search to only Patent
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