UNT Libraries Government Documents Department - 57 Matching Results

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Gage.

Description: Patent for a measuring gage for measuring rafters that clamps on the wood, has a saw guide line, and eliminates the use of multiple calculation instruments thus making the process simpler.
Date: April 2, 1907
Creator: Morrison, Andrew

Gang-Plow.

Description: Patent for improvements in gang-plows in which the “disks” would contain a flared annulus and, it is formed by the truncation of a conical shell of large base and small altitude. This disk-plow “will penetrate the soil to the desired depth by its own natural draft with the minimum degree of friction and outlay of force.” (Lines 21-23) Illustration is included.
Date: June 30, 1891
Creator: Cleveland, George P.

Gate.

Description: Patent for an automatic gate at railroad crossings, adaptable for use in "farm gates and automatic gates for carriage roads" (page 1, lines 11-12) using "an inclined cam disk, of a spring actuated lever" (page 4, lines 27-28), trip devices, and a bell or other signal, with illustrations.
Date: January 24, 1893
Creator: Neeb, William

Heater

Description: Patent for "a heater of the above-described character which may be used in connection with a stove or furnace or a fire built on the ground in the open air and be more effective and economic in its heating and more convenient in operation than the usual methods heretofore pursued in such instances where an inexpensive and portable device of this kind could be used to great advantage" (lines 13-22).
Date: June 4, 1901
Creator: Harrison, John B.

Horse Detacher.

Description: Patent for a new and improved horse detacher. This design consists in "[t]he combination of the whiffletree-support, the whiffletree, the hinge connecting such parts having its upper and lower plates secured, respectively, to the whiffletree and its support and jointed at their rear edges, and the arm or lever extended forward from the upper plate, whereby upward draft on said arm or lever will turn the whiffletree backward from its normal position to release the traces" (lines 91-100).
Date: June 10, 1890
Creator: Harrison, George W.

Lubricated Bullet.

Description: Patent for lubricated lead bullets to prevent the deterioration and rusting of the inner barrel of rifled firearms, so as to maintain their accuracy. Includes instructions and illustrations.
Date: August 3, 1897
Creator: Stewardson, Samuel Clinton

Pipe-Wrench

Description: Patent for a self-adjustable pipe wrench that actively adapts to the material it is applied to by means of a moveable portion of the gripping jaw, with illustrations and instructions.
Date: May 28, 1918
Creator: Moore, Joseph D.

Portable Water-Heater and Steam-Cooker

Description: Patent for a portable water-heater and steam-cooker that "can be adapted for heating water for a variety of domestic purposes, such as for washing clothes and the like, and for supplying steam for scalding clothes, for cooking feed for stock, and for operating a churn or similar device" (lines 14-19).
Date: April 12, 1904
Creator: Staton, John William

Rotary Plow

Description: Patent for a gang-plow to be used when gangs of disks are used to turn over the soil so that it generates minimal friction and thus increasing efficiency.
Date: November 15, 1892
Creator: Cleveland, George P.

Rotary Plow.

Description: Patent for improvements in rotary plows which can be used as a subsoil-plow or it can be converted into a cultivator. The “purpose is to provide a novel gang-plow capable of cutting the soil at different depths, as circumstances may require, and in which the angle at which the plows enter the soil may be varied.” (Lines 18-23) Illustration is included.
Date: June 30, 1891
Creator: Cleveland, George P.

Spiral Ring.

Description: Patent for a new and improved lap-ring. This design consists in a "lap-ring for connecting the tree-irons of double-trees and single-trees, consisting of the S-shaped lap-ring having the end curves spread laterally from the stem of the S, and carried round on spiral curves to points ninety degrees beyond a line that would evenly divide the figure thus formed longitudinally" (lines 41-48).
Date: July 8, 1884
Creator: Brooks, George W.

Steam-Turbine for Locomotives.

Description: Patent for a compact mechanism related to steam turbines, which has positive geared connections with the driving access of the locomotive, resulting in reduced friction. This increases efficiency of the driving action while reduced the expenditure of elastic fluid in order to run smoothly.
Date: December 5, 1911
Creator: Dumas, Joel Benjaman
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