UNT Libraries Government Documents Department - 9 Matching Results

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BRICK-KILN.

Description: Patent for brick-kilns to "provide means for burning bricks in a much shorter time and more effectively than is possible with usual constructions, and, further, to protect the kiln-walls against the injurious effects of heat" (lines 9-13).
Date: October 30, 1900
Creator: Aber, Edgar
Item Type: Refine your search to only Patent

Churn.

Description: Patent for an improved, strong, durable, and simple churn that produces butter quickly and with much use of power. It has a slide rest with a rotary driving spindle on one end and guide pulleys on the other end, a slide-block that slides on the end of the slide rest, a turn-peg with a ratchet-head on the slide-block, a pawl, and a chord that attaches all these parts.
Date: October 23, 1894
Creator: Roark, Calvin M.
Item Type: Refine your search to only Patent

Improvement in Plows.

Description: Patent for "an improved plow, which shall be so constructed that it may be readily adjusted for use as a subsoil-plow, as a turning-plow, as a scraper and cultivator, and as a scraper, cultivator, and hiller, and which shall be simple in construction and effective in operation in either capacity." (Lines 11-18) Includes instructions and illustrations.
Date: October 10, 1876
Creator: Newton, John R.
Item Type: Refine your search to only Patent

Music-Holder.

Description: Patent for an improved music-holder. The music-holder is comprised of a base adapted to be secured to a music rest with a standard pivoted on the base. The standard is fixed with a spring-pressed shaft in order to press the book to the music stand.
Date: October 27, 1891
Creator: French, Clarence E.
Item Type: Refine your search to only Patent

Safety-Valve.

Description: Patent for an improved safety valve for boilers that consists of a valve chamber with a socket at its bottom, a valve seat with a steam outlet, a valve in the socket, a steam inlet tube that passes through and below the valve, a piston mounted in a guide chamber, a spring that holds the piston, a guide chamber with a valve seat, and a steam cylinder.
Date: October 10, 1893
Creator: Cameron, Charles Hoyle
Item Type: Refine your search to only Patent
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