UNT Libraries Government Documents Department - 237 Matching Results

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Baling-Press.

Description: Patent for improvements in baling presses. Consists of improvements over prior patents 1197532 and 1229126. These improvements are primarily for operation of the compressor and also the mechanism for actuating the feeder.
Date: December 24, 1918
Creator: North, George W. & Andreas, H.M.
Item Type: Refine your search to only Patent

Baling-Press.

Description: Patent for an improved bailing press "especially designed for forming hay, straw, cotton, &c., &c.... into compressed, compact bales" (lines 10-13) that requires less effort and power for stronger compression results.
Date: March 12, 1910
Creator: North, Clarence L.
Item Type: Refine your search to only Patent

Automatic Train Stop

Description: Patent for an automatic train stop. Used to simplify the construction where fewer magnets and changeable switches are necessary. To provide an automatic train control mechanism with a normally closed circuit, the breakage or disarrangement of any part that would ensure the stopping of the train.
Date: May 21, 1918
Creator: Bulla, Melbern B.
Item Type: Refine your search to only Patent

Athletic Shoe

Description: Patent for improvements to athletic shoes for men, women, and children that improve the comfort of the shoe, support the anatomy of the foot, and prevent “falling arches and other foot ailments” (p. 1, lines 22-23).
Date: December 3, 1918
Creator: Rokahr, Charles
Item Type: Refine your search to only Patent

Continuous Vacuum Dehydrator.

Description: Patent for improvements in speed, cheapness, and more efficiency in continuous-vacuum dehydration and filtering for the purpose of extracting valuable ores with water including instructions and illustrations.
Date: August 20, 1918
Creator: Biesel, Charles
Item Type: Refine your search to only Patent

Automatic Separating Device.

Description: Patent for an automatic separating device. This device operates with a link that connects the float level at the top of the tank with a valve handle at the bottom of the tank to control discharge from the tank.
Date: January 22, 1918
Creator: Allen, Charles
Item Type: Refine your search to only Patent

Can Opener.

Description: Patent for "a can opener intended for use in removing or cutting the closures or tops from cans or other sheet metal receptacles." [lines 8-11]
Date: November 25, 1919
Creator: Crawford, Hezekiah H.
Item Type: Refine your search to only Patent

Cigar or Cigarette Holder

Description: Patent for improvements to cigar and cigarette holders so that the stub (butt) of the cigar/cigarette can be easily ejected, thereby decreasing the instances of choking. This also makes the mouthpiece easier to clean and therefore, more sanitary.
Date: May 14, 1918
Creator: McClintock, Herbert R.
Item Type: Refine your search to only Patent

Automobile Hay-Rake.

Description: Patent for "an improved hay rake, for farm use, adapted to be attached to and operated by an automobile or motor truck or wagon." (lines 8-11) including illustrations.
Date: December 25, 1917
Creator: Holeman, David O.
Item Type: Refine your search to only Patent

Tube-Mill.

Description: Patent for improvements in tube-mills (employed for ore and other substances) which is meant to help support and drive rotating drums or cylinders of the mills allowing for more full appearances.
Date: October 1, 1918
Creator: Bergman, Julius G.
Item Type: Refine your search to only Patent
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