UNT Libraries Government Documents Department - 33 Matching Results

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Automatic Separating Device.

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

Chimney

Patent for a chimney. Illustration included.

Date: January 7, 1905

Creator: Palladino, Gaetano

Combination Filing Block and Sawing Board

Patent for jewelrs combination wood filing block, and a sawing board.

Date: January 9, 1917

Creator: Stillians, Harry E.

Cover for Culinary Utensils.

Patent for improvements in covers for culinary vessels in which “the cover will confine the odors arise from the vessel and at the same time the steam may be allowed to escape at any time without removing the cover from the vessel.” (Lines 16-20) Illustration is included.

Date: January 11, 1910

Creator: Reeves, Bell N.

Dynamo-Electric Machine

Patent for a new and useful improvement in a dynamo-electric machine to provide a rotor in which certain coils of the winding are automatically cut out and utilized as open coils to prevent the turns in those coils from having a demagnetizing action. Another objective is to provide a rotor whose core consists of non-magnetic material to refuce the inductance and self-induction of the winding and the sparking at the commutator due to the shifting of the magnetic field and the neutral or point of… more

Date: January 10, 1922

Creator: Kuhn, Preston Holmes

Dynamometer for Locomotives.

Patent for a new and improved dynamometer for locomotives. This design is "to provide a novel construction in dynamometers for indicating the traction power of locomotives" (lines 9-11). It consists in "a draw-head, a chamber containing a liquid located therein, a piston operating in said chamber, means for connecting said piston with the opposite draw-head, suitable tubing connecting with the said chamber, and a pressure-gage mounted upon or attached to the said tubing and actuated by the said… more

Date: January 13, 1891

Creator: Innes, Robert H.

Electric Insact Trap.

Patent for an electric insect trap that highly efficient trap for electrocuting house flies and similar insects, include illustrations.

Date: January 20, 1914

Creator: Craig, Samuel A.

Excavator and Conveyer.

Patent for an excavator machine designed "to continuously excavate the ground at different elevations, as in ditching or cutting away embankments" (lines 15-18) including illustrations.

Date: January 6, 1914

Creator: Lee, James Milton

Film Winding Attachment

Patent for film-winding attachment that allows for the exact number of rotations to wind film. This invention seeks to prevent unnecessary damage that excessive winding can do to film.

Date: January 6, 1920

Creator: Mansfield, Clarence H.

Fishing Tackle.

Patent for a new and improved fishing tackle. This design is "to provide a snaring device which will, so far as possible, insure a capture; to so arrange the hooks as to prevent a loss of bait, and to provide a device capable of ensnaring as many fish as may at the time of lifting the snare by nibbling at the bait. . . . the invention consists in a spacing-ring, preferably formed of lead or other heavy metal and having a central hub and having a series of hooks radiating from the tub and secure… more

Date: January 7, 1890

Creator: Mayer, Charles

Game

Patent for a game. This invention is board-game simulating base-ball. Illustration included.

Date: January 6, 1907

Creator: Grant, Joseph T.

Grade-Indicator.

Patent for a grade indicator designed for land, air, and sea vehicles. It provides both lateral and longitudinal inclination with a simple construction.

Date: January 7, 1919

Creator: Shemeley, Jesse B. & Shemeley, Marion E.

Horse-Power Apparatus.

Patent for an improved horse-power apparatus for hay baling presses. "A pair of cables are arranged in frictional driving relation to one of which cables the house power is applied, while the other serves the purpose of communicating...to the baling press or other power-receiving parts".

Date: January 28, 1919

Creator: North, George W. & Andreas, H. M.

Hot Water Heating System

Patent for an improvement to open fire water heating systems in buildings.

Date: January 12, 1917

Creator: McChesney, Louis P.

Irrigator

Patent for an irrigator used to treat piles (hemorrhoids) and similar diseases. A nozzle delivers liquid to wash the surface of the mucus coating of the afflicted area, and then drains the liquid without obstructing the flow of the liquid. Patent includes illustrations.

Date: January 18, 1921

Creator: Phillips, Edwin R.

Job Press Standardizer

Patent for job press.

Date: January 23, 1917

Creator: McMath, William S.

Letter-Tying Device

Patent for a package tie. Illustrations included.

Date: January 12, 1909

Creator: Greenwood, Bluford P.

Low-Water Alarm For Boilers

Patent for "improvements in low water alarms for steam boilers and more particularly to those which are operated by the heat from the steam in the boiler, after the water therein has fallen below a predetermined danger point" (lines 15-20).

Date: January 5, 1915

Creator: Anderson, Williamson D. & Shearer, Edward J.