UNT Libraries Government Documents Department - 45 Matching Results

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Apparatus For Forcing Fluid From Wells.

Description: Patent for a narrow device to use fluid dynamics to remove certain fluids without loss of others. The apparatus is let down the well until one end is submerged before pressurized with air to seperate fluids and bring oil up to the surface of the well.
Date: February 22, 1921
Creator: Bodungen, Charles G.
Item Type: Refine your search to only Patent

Bale-Tie Buckle

Description: Patent for new and valuable improvements on bale-tie buckles for cotton bales. This relates to buckles securing ties on cotton bales and minimize injury to the persons handling the cotton.
Date: March 22, 1921
Creator: McFarland, Frank Hays
Item Type: Refine your search to only Patent

Dredge.

Description: Patent for an excavating machine specifically designed for canal digging, that "is an improvement upon a patent granted to Charles S. Butterfield, March 13, 197 and numbered 1,219,371" (lines 10-13). This invention provides a means for firm and stable support of the excavating machine and allows the position of the machine to be easily changed as the work progresses.
Date: November 22, 1921
Creator: Evans, Marvin
Item Type: Refine your search to only Patent

Drill-Bit.

Description: Patent for improvements in drill bit constructions that allows the drill bit to be switched out and the new bit locked in so it is secure.
Date: June 22, 1920
Creator: Midgett, Penelton G.
Item Type: Refine your search to only Patent

Fur-Stretcher.

Description: Patent for an improved fur stretcher capable of properly stretching the ends of the skin. Construction is simple which allows for easy application.
Date: March 22, 1921
Creator: Aylor, James C.
Item Type: Refine your search to only Patent

Ice-Machine

Description: Patent for an icebox that can be combined with a refrigerator. The icebox will spray the ammonia compressor coil with water, as well as inducing a forced circulation of water in the icebox's freezing tank.
Date: May 22, 1920
Creator: Grant, Willburn C.
Item Type: Refine your search to only Patent

Method and Composition for Reclaiming Gummer and Linter Files.

Description: Patent of the methods and compositions for reclaiming Gummer and Linter Files. The invention is used to reclaim the files used in sharpening linter saws that are used in cutting lint from cotton seed after the long fiber has been removed from the seed. This invention ensured cost effective reclaiming of the files instead of their reformation.
Date: March 22, 1921
Creator: Lockett, Landon J.
Item Type: Refine your search to only Patent
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