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Well-Cleaner.

Description: This invention relates to an improved well cleaner, and has for its principal object to provide a device of this kind adapted to be positioned in a well casing to direct a volume of air into the casing for cleaning the valves and straining elements thereof. A further object of the invention is to provide an automatic means for sealing the cleaner for holding the fluid within the well casing, against back pressure, during the cleaning operation. (Lines 8-19)
Date: October 18, 1919
Creator: Sargent, Lemuel H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for a modification of a plow that improves ease of use. Additionally the plow adds wings that allow plowing of soil at different angles.
Date: October 21, 1919
Creator: Richardson, William T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dehydrating Apparatus.

Description: Patent for an improved food dehydrating apparatus, in which the air pressure in bins of items being dehydrated can be regulated individually, including illustrations.
Date: October 28, 1919
Creator: Taylor, Clarence R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Power-Jack.

Description: Patent for improvements on the power-jack, which help bring liquids to the surface. Specifically designed "to provide a power mechanism for balancing the load or work at all points of the stroke." (lines 11-13), including illustrations.
Date: October 21, 1919
Creator: Dayton, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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