Texas Patents - 7 Matching Results

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Well Boring Apparatus.

Description: Patent for a well-boring apparatus, an invention of a drilling apparatus using a form of power to transmit rotary movement to the string of a pipe. This invention is designed to lock the rotary elements against movement when the drill or pipe is moved or adjusted within its support.
Date: November 29, 1921
Creator: Boykin, Burwell, Jr.
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Partner: UNT Libraries Government Documents Department

Roof Structure.

Description: Patent for an improved roof structure that has "movable panels in the roof and side walls... to permit of manual adjustment to regulate the temperature, light, and moisture" (lines 10-14). This patent includes instructions and illustrations.
Date: October 29, 1918
Creator: Simon, Jacob P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Door-Hanger.

Description: Patent for a door hanger which supports heavy doors, in particular "barn doors, freight car doors, and the like."
Date: April 29, 1913
Creator: Caneavri, Joseph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Saw Filing Machine

Description: Patent for a saw filing machine. This invention is designed to allow the teeth of saws to be sharpened with a reciprocatory file. Illustration included.
Date: January 29, 1907
Creator: Tatum, Cicero J. & Dunn, Lemuel E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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