UNT Libraries Government Documents Department - 12 Matching Results

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Cotton-Cleaner.

Description: Patent for a machine that cleans cotton by placing the seed into a rotating cylinder it is carried and removed using air presser through spiral fan blades and pins to rid impurities, including illustrations.
Date: September 11, 1860
Creator: Smith, Charles
Item Type: Refine your search to only Patent

Improvement in Gun-Locks.

Description: Patent for gun locks: "This invention relates to the arrangement of a complete hair trigger for Colt's revolving pistols, which is so constructed that it may be adjusted to anyone of said pistols without the assistance of a gunsmith, the only tool required for the purpose being a screw driver." (lines 21-26.)
Date: September 11, 1866
Creator: Schenck, F.
Item Type: Refine your search to only Patent

Improvement in Hats

Description: Patent for "a new and improved ventilated hat...which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawings, forming part of this specification" (lines 3-5). including instructions and an illustration.
Date: September 1, 1868
Creator: Watkins, M. S.
Item Type: Refine your search to only Patent

Improvement in Cotton Picker and Cleaner.

Description: Patent for an invention that "relates to certain novel improvements on machinery which is designed for rapidly and thoroughly cleaning and picking the interior grades of cotton, and the badly picked and ginned cottons, and for effecting this result without cutting or in any manner damaging the cotton fiber"(lines 19-25). The patent includes instructions and an illustration.
Date: September 1, 1868
Creator: Gilman, Samuel H.
Item Type: Refine your search to only Patent

Improvement in Cultivators.

Description: Patent for improvement in cultivators by making all the beams that had blades attached to them adjustable by a lever. A roller is designed for covering the seed and smoothing over the ground after the seeds are discharged by a slider which is operated by a crank-shaft near the end of the machine. A detachable revolving stalk-cutter can be used for cutting stalks on the ground by means of a suitable connector at the rear end of the machine. Illustration is included.
Date: September 7, 1869
Creator: Baker, Job McNamee
Item Type: Refine your search to only Patent

Improvement in Cultivators.

Description: Patent for improvement in cultivators by using adjustable screw-rods from the ends of short laterally-vibrating levers to suspend the cultivator-beams in the front; the levers are arranged to be operated by an attendant’s feet. Illustration is included.
Date: September 28, 1869
Creator: Hall, Thomas J.
Item Type: Refine your search to only Patent
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