UNT Libraries Government Documents Department - 605 Matching Results

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Account-Book.

Description: Patent for improvements in account books to "facilitate the identification of pass books and to expedite the keeping of accounts by enabling the cashier, or bookkeeper, or other clerk concerned, to readily identify the book of the depositor or other owner and thereby more readily post the entries from one book to another in keeping accounts" (lines 16-22); includes illustration.
Date: August 28, 1917
Creator: Exline, Marcus, P.
Item Type: Refine your search to only Patent

Adjustable Attachment for Freight-Car Doors.

Description: Patent for a mechanism that creates "an adjustable attachment for freight-car doors, for preventing sparks and other objectionable matter from getting into the cars, and means for operating the attachment that is adapted for use in securing the door in different positions of adjustment, and for connection with the body of the car by means of a seal-support, in order that the fixed adjustment of the door cannot be changed without breaking the seal" (lines 12-21).
Date: December 28, 1886
Creator: Duzan, Thomas H.
Item Type: Refine your search to only Patent

Aeroplane.

Description: Patent for improving the fuselage for aeroplanes by "securing double strength throughout the body and [...] be light and durable" (lines 12-14). Provides rudder, landing gear, telescopic joint, and sprocket gear improvements, including illustrations.
Date: March 28, 1916
Creator: Smith, Glen B.
Item Type: Refine your search to only Patent

Air Pump

Description: Patent for an air pump designed to have a strong cylinder and be able to equal quantities of air upon both the upward and downward motion of the piston.
Date: October 28, 1919
Creator: Keating, P. W.
Item Type: Refine your search to only Patent

Amusement Device

Description: Patent for an amusement device. This invention uses a ballast and simulates the appearance and motion of a floating ship under way. Illustrations included.
Date: March 28, 1911
Creator: Corneliussen, Ivar
Item Type: Refine your search to only Patent

Andiron.

Description: Patent for a simple and inexpensive andiron that can easily be moved and holds the logs in place. "The invention consists of an andiron having two dogs or members connected together and a fender removably connected to the front of said dogs and extending over the intervening space or opening" (lines 9-14).
Date: August 28, 1894
Creator: Grogan, John Richard
Item Type: Refine your search to only Patent

Animal-Poke

Description: Patent for an animal poke which is worn around the belly of the cow or other animal, and pokes the animal when it pushes against a fence and has a hook attached to the back of the poke which will catch onto the fence if they try to go underneath or over the fence.
Date: July 28, 1908
Creator: Bush, Caswell C.
Item Type: Refine your search to only Patent

Animal-Poke

Description: Patent for an animal poke that will go over the head of a horse, cow, or related animal, preventing it from getting under, over, or through fences, slacking bent wires, or prevent it from otherwise damaging or mutilating fences of all kinds.
Date: November 28, 1916
Creator: Williams, Osker
Item Type: Refine your search to only Patent

Ant Trap.

Description: Patent for a new and improved ant trap. This design consists in "the combination of a tube having a longitudinal slot in its top at one end and a transverse slot in the bottom near the other end, the top of the tube on each side of the longitudinal slot bent downward, a pen secured to the end of the tube having the longitudinal slot, a portion of one side piece of the pen forming an end for the tube and the other side piece being cut away and secured to the tube, and a receptacle under the end … more
Date: February 28, 1888
Creator: Miller, Marshall Crittenden
Item Type: Refine your search to only Patent

Apparatus for Hoisting Liquids from Wells.

Description: Patent for an “apparatus for raising liquid from wells by means of a compressed fluid, such as air or other vapors or gas“ (lines 9-12). The apparatus leaves liquid from the well under normal pressure during hoisting or pumping, and allows for varying amounts of liquid to be extracted.
Date: October 28, 1913
Creator: McCall, Duncan D.
Item Type: Refine your search to only Patent

Arc-Lamp

Description: Patent for an arc lamp which does not spark for use in headlights for trains and automobiles and in street lights.
Date: June 28, 1910
Creator: Anderson, Thomas J.
Item Type: Refine your search to only Patent
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