UNT Libraries Government Documents Department - 370 Matching Results

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Automobile Driving Mechanism.

Description: Patent for a driving mechanism for an automobile to dispense with the usual form of transmission gearing and differential, to substitute mechanisms power devices through the medium of a suitable liquid [preferably oil], maintained at a predetermined volume, and to provide a noiseless operating mechanism.
Date: October 31, 1916
Creator: Allan, William N.
Item Type: Refine your search to only Patent

File Case.

Description: Patent for a new and improved file case. This design "[t]he combination, with a case, of the pockets constructed in a series of a single piece of material having partitions formed by long folds connected at the bottom by short folds . . . [and t]he combination, with the folded pockets, of the file case having its sides constructed to overlap a part of the ends of the pockets, and an elastic follower with thumb-pieces arranged to bind with the sides of the case by straightening" (lines 9-24).
Date: July 31, 1888
Creator: Altfather, William F.
Item Type: Refine your search to only Patent

Electrolytic Cell

Description: Patent for an electrolytic cell. "This invention relates to electrolytic cells especially adapted and intended for the electrolyzing of the sulfates of the alkalies to obtain sulfuric acid and alkaline hydrates" (lines 10-13). Illustration included.
Date: October 31, 1905
Creator: Anderson, Henry S.
Item Type: Refine your search to only Patent

Nut Lock.

Description: Patent for a new and improved nut lock. This design has, "[i]n combination with a bolt having a cylindrical stem and a head beveled on its inner face, a nut tapped to receive the threaded end of the bolt and prevented from turning" (lines 73-77).
Date: January 31, 1888
Creator: Anderson, Lee
Item Type: Refine your search to only Patent

Wick Trimmer.

Description: Patent for a new and improved wick trimmer. This design "is to provide a lamp-wick trimmer with adjustable guides that will afford means to retain the implement in correct position for use on lamp-wick tubes of different sizes, and furthermore to furnish the wick-trimmer with blades that will shear the wick from each side edge toward the center simultaneously" (lines 7-14).
Date: May 31, 1892
Creator: Andrews, Daniel L.
Item Type: Refine your search to only Patent

Amusement Apparatus

Description: Patent for an amusement apparatus of the character set forth with and inclined place made of a number of pivoted sections which may be simultaneously moved into horizontal position to form steps or seats and be held in such position by trip device provided with a target which latter upon being hit by a thrown ball will release the several sections of the inclined plane of steps and permit them through the weight of one or more persons thereon to aline one with the other and form a continuous in… more
Date: July 31, 1917
Creator: Andrews, J.W.
Item Type: Refine your search to only Patent

Railroad-Tie.

Description: Patent for a new railroad tie constructed of concrete material with detachable internal reinforcements used to support the rail fastening system, with illustrations.
Date: March 31, 1914
Creator: Baca, August
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

Gathering-Machine.

Description: Patent for a gathering machine for boll weevils and other pests in the cotton fields, which collects the insects of of the plants and throws them in the middle of the furrow to expose them to direct sunlight.
Date: August 31, 1909
Creator: Barnes, Ferdinand S.
Item Type: Refine your search to only Patent

Tent-Stake.

Description: Patent for a tent stake that is used with a metal guy or rope. The purpose of this tent stake is to secure tents under all weather conditions.
Date: July 31, 1917
Creator: Basnett, Augustus
Item Type: Refine your search to only Patent

Automatic Damper

Description: Patent for "an attachment for stove-dampers whereby said dampers will be automatically moved, in order that the fire may be maintained at a predetermined heat" (lines 9-13).
Date: January 31, 1888
Creator: Beauchamp, William A. J.
Item Type: Refine your search to only Patent

Refrigerating Machine.

Description: Patent for a refrigerating machine that works with a double jacketed brine cylinder with a self-contained expansion tank for the coolant. It is meant to provide cooling with small displacement of the cylinder, but with great circulation of the brine.
Date: December 31, 1918
Creator: Bell, Samuel R.
Item Type: Refine your search to only Patent
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