UNT Libraries Government Documents Department - 69 Matching Results

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Plumb-Level.

Description: Patent for a new and useful level of " that class embodying a pivoted index-finger operating in conjunction with a graduated dial" (line 7 10).
Date: October 31, 1899
Creator: Jordan, John J. & Wallace, Olifford L.
Item Type: Refine your search to only Patent

Chemical Fire-Extinguisher.

Description: Patent for chemical fire extinguishers "in which the acid-bottle consists of two concentric cylinders, the inner one of which is open at top and bottom, and which, when the bottle is placed in the cylinder containing the water and soda, potash, or other material, a compressed-air seal will be formed, preventing the acid and water from commingling; but when the bottle is inverted the seal will be broken, and the water and acid coming together will generate the gas." (Lines 18-28) Includes instru… more
Date: December 31, 1895
Creator: Flatau, Louis Spencer
Item Type: Refine your search to only Patent

Apparatus for Removing Cores from Cylindrical Cotton-Bales.

Description: Patent for a "means for removing screw-threaded cores from cylindrical cotton-bales" (lines 12-14). It is made up of a wheeled-truck that is holding the bale, an apparatus that grips the end of the core, a way to revolve the grip, a driven shaft, and a universal joint that connects the shaft with the end of the core.
Date: December 31, 1895
Creator: White, Charles W.
Item Type: Refine your search to only Patent

Combined Horse-Detacher and Brake.

Description: Patent for a simple and durable combined horse-detacher and brake that stops the car after releasing the animal. This patent simplifies a previous patent application (Serial No. 565,581). Both the horse-detacher and brake are activated at the same time by pulling one lever. The brake sits under the car and can hardly be seen.
Date: March 31, 1896
Creator: Friedlander, Joseph
Item Type: Refine your search to only Patent

Car-Coupling.

Description: Patent for a car-coupling that has a draw-bar attached to the car, a hollow draw-head with a flaring opening that sits horizontally to the draw-bar, a spring that holds the draw-head in the horizontal position, a bar that raises and lowers the forward end of the draw-head against the spring, a coupling-pin that sits in the draw-head, a chain that connects the draw-head to the bell-crank lever, a cam that supports the chain, and a device that turns the cam in either direction in order to tighten… more
Date: March 31, 1896
Creator: Epps, Charles
Item Type: Refine your search to only Patent

Apparatus for Handling Seed-Cotton.

Description: Patent for an improved cotton elevator, separator, and distributor that is meant to move cotton from a wagon or storage, remove dirt, and deliver it to a gin. The "improved apparatus comprises a pneumatic cotton-conveying tube by which the cotton is lifted or carried to the distributor, a separator for removing the cotton from the air current, and a distributor comprising a trunk for receiving the cotton from the separator extending over the two gin feeders, having openings delivering into the … more
Date: October 31, 1893
Creator: Bachman, Joseph A. & Clark, Frank S.
Item Type: Refine your search to only Patent

Clothes-Pin.

Description: Patent for a clothes pin made from spring metal that "automatically adapt[s] itself to lines of different thicknesses, and whereby the pin may be used to retain an exceedingly thin article in engagement with the line as effectually as an exceedingly thick article, the pin being capable of holding a bit of lace and likewise a heavy blanket or quilt" (lines 11-18). It is especially designed for use with metal clothes lines.
Date: October 31, 1893
Creator: Jones, George W.
Item Type: Refine your search to only Patent
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