Texas Patents - 13 Matching Results

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Player Piano

Description: Patent for a new form of valve for mechanical piano operated by pneumatic mechanisms in which the value is self-centering and does away with the guide pin usually employed, and an amplification of the wippen so that the striker rod is placed at the front of the pneumatic mechanism where it is accessible. The change in leverage permits the use of a smaller pneumatic.
Date: January 31, 1922
Creator: Pace, Vara L.
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Partner: UNT Libraries Government Documents Department

Templet.

Description: Patent for templets or steel models used in building ships. The steel can be easily shaped into parts.
Date: May 31, 1921
Creator: Nies, Gershom John
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Partner: UNT Libraries Government Documents Department

Trailer.

Description: Patent for trailers for attachment to trucks that is strong and compact and will not be distorted by the turning of the trailer relative to the truck.
Date: August 31, 1920
Creator: Feigelson, Alexander
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Partner: UNT Libraries Government Documents Department

Refrigerating Machine.

Description: Patent for a refrigerating machine that works with a double jacketed brine cylinder with a self-contained expansion tank for the coolant. It is meant to provide cooling with small displacement of the cylinder, but with great circulation of the brine.
Date: December 31, 1918
Creator: Bell, Samuel R.
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Partner: UNT Libraries Government Documents Department

Boring Tool

Description: Patent for a boring tool that allows for easy interchanging of the drill.
Date: October 31, 1916
Creator: Carroll, Monroe W.
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Partner: UNT Libraries Government Documents Department

Planter Attachment to Plows

Description: Patent for a planter attachment that will drop the desired seed while plowing, and can be controlled by the operator.
Date: October 31, 1916
Creator: Kern, Harry L. & Gerhold, Walter
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Partner: UNT Libraries Government Documents Department

Capping-Machine

Description: Patent for a capping machine. The object is to provide a machine of the character specified, designed for placing friction caps or covers of cans containing canned materials and for sealing the covers or caps in place on the cans, and arranged to be capable of use with cans of varying size.
Date: August 31, 1915
Creator: Peppers, Jerry Coatts
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Partner: UNT Libraries Government Documents Department
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