5 Matching Results

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Cooling Apparatus. (open access)

Cooling Apparatus.

Patent for a cooling apparatus for food that uses the process of evaporation of water to cool the apparatus.
Date: April 4, 1911
Creator: Steen, Mary L.
System: The Portal to Texas History
Treadle. (open access)

Treadle.

Patent for a new and improved treadle. This design "has for its object to provide an adjustable pad . . . preferably formed of rubber, to the ordinary iron treadle . . . and may be detached therefrom, as desired. . . . whereby wear of the shoes is saved and cold feet will be avoided" (lines 10-24).
Date: December 4, 1883
Creator: Johnson, William Oscar
System: The Portal to Texas History
Middle-Breaker and Turning-Plow. (open access)

Middle-Breaker and Turning-Plow.

Patent for improvements in middle-breakers and turning-plows by providing an attachment for the middle breakers or turning plow, in which it will permit lateral adjustment of the wheel, by the use of a compound axle of adjustable length. (Lines 10-15) Illustration is included.
Date: January 4, 1910
Creator: Armstrong, Josiah B. C.
System: The Portal to Texas History
Nut Lock (open access)

Nut Lock

Patent for a nut lock. Illustrations included.
Date: July 4, 1905
Creator: Slayton, Charles E. & Zellner, Daniel L.
System: The Portal to Texas History
Cultivator. (open access)

Cultivator.

Patent for a new and improved cultivator. This design consists in "[t]he combination of the beam, the clamping-bars secured to the under side of the beam and arranged at an angle thereto, the teeth clamped by and between said bars, the hangers having their upper ends provided with a vertical series of openings, the securing-bolts passed through said openings in the ends of the clamping bars, and the scraper having a horizontal series of openings in each end, and the securing-bolts passed through said openings in the lower ends of the hangers" (lines 29-39).
Date: June 4, 1889
Creator: Ruddell, Charles Henry
System: The Portal to Texas History