UNT Libraries Government Documents Department - 598 Matching Results

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Account-Index.

Description: Patent for an account index card holder with “superposed parallel arms” (lines 111-112) that allow portions of the front and reverse side of each card to be visible. The holder and its supports may be used with a system for organizing, tracking, and indexing accounts.
Date: November 4, 1913
Creator: Roach, William Eli
Item Type: Refine your search to only Patent

Acetylene-Gas Apparatus.

Description: Patent for machines that generate acetylene gas for a "simple and comparatively inexpensive construction, in which the gas is thoroughly washed before entering the service-pipe and in which the water-supply to the generator is controlled by the gas pressure and the carbid kept at all times cooled by surrounding water" (lines 11-17).
Date: December 4, 1900
Creator: McGoldrick, William Hamilton
Item Type: Refine your search to only Patent

Acetylene-Gas Generator.

Description: Patent for an acetylene-gas generator that consists of “a suitable frame, a receptacle positioned within said frame, and a gas-bell” (lines 11-13), as well as a gasometer and carbide feed. As a result, the gas generator “will continually furnish dry, cool gas and at a substantially even pressure at all times” (line 22-24). Illustrations included.
Date: June 4, 1907
Creator: Hays, Parx Orr
Item Type: Refine your search to only Patent

Adjustable Metallic Trunk-Strap.

Description: Patent for an adjustable metallic trunk strap that connects in multiple directs so that they will reinforce the trunk while allowing it to be opened. It includes illustrations of the strap on the trunk and various components in detail.
Date: December 4, 1906
Creator: Mertins, John Lewis
Item Type: Refine your search to only Patent

Agricultural Implement.

Description: Patent for an agricultural implement related to ground treating. The implement introduces a novel mounting for a colter that will keep it in line with the draft beam, as well as aids in holding the soil-turning elements in place.
Date: November 4, 1913
Creator: Vanderwater, Daniel B.
Item Type: Refine your search to only Patent

Agricultural Implement.

Description: Patent for a new and improved sweep. This design consists "in a sweep of a suitable shape and construction having attached to each of its rear corners a vertical bar or wings, which extends parallel to the course of the plow and backward a suitable distance beyond the sweep proper . . . The object of [the] invention is to attach to the rear corners or wings of a sweep bars or runners, which rest upon the ground and steady the sweep and prevent it from wabbling or dodging while in use" (lines 14… more
Date: March 4, 1890
Creator: Cameron, Hugh L.
Item Type: Refine your search to only Patent

Amusement Apparatus.

Description: Patent for improvements to the Amusement Apparatus that can be more easily constructed and supports swimmers by the use of horizontal and vertical bars on each side of the device with the horizontal bars rotate independently. Includes illustration.
Date: November 4, 1919
Creator: Williams, May Brown
Item Type: Refine your search to only Patent

Animal Poke

Description: Patent for an animal poke which is attached through a nose ring and pulls on the animal if it tries to crawl under or over a fence.
Date: October 4, 1910
Creator: Kelley, Howard T.; Matthews, George N. & Davis, George F.
Item Type: Refine your search to only Patent

Ant Trap.

Description: Patent for a new and improved ant trap. This design "consists in a frame which is adapted to be placed over the ant-hill, so as to surround the entrance thereto, and provided with parallel surrounding flanges or sides which converge to each other and lead to an exit-spout . . . [and] is to provide an ant-trap which is adapted to catch the ants both on their attempt to leave the hill or to return to it, whereby the entire colony may be exterminated" (lines 9-21).
Date: January 4, 1887
Creator: Wise, David
Item Type: Refine your search to only Patent

Antifriction device for sucker rods.

Description: Patent for "an improved antifriction device for use in connection with inclosed traveling rods and the like to reduce the wear occasioned by the rubbing of the rod in its casing, and at the same time to so far reduce the area of said antifriction device which projects from the rod as to interpose the least possible obstruction to the free passage of material in the casing."
Date: November 4, 1902
Creator: Black, William Leslie
Item Type: Refine your search to only Patent

Antispreading Attachment for Rails.

Description: Patent for the improvement of antispreading attachments for rails. The attachments provide a structure comprising a span tie located between the rails and is adapted to connect with dogs, one dog being connected with each of the rails.
Date: May 4, 1915
Creator: Simpson, Mary E.
Item Type: Refine your search to only Patent
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