UNT Libraries Government Documents Department - 633 Matching Results

Search Results

Results: 1 - 24 next

Acetylene Gas Generator

Description: Patent for an acetylene gas generator. This invention is designed to be automatic, use non-freezing fluids, and work on railway trains or ships. Illustrations included.
Date: October 2, 1906
Creator: Woodson, Jacob W.

Acetylene Gas Generator

Description: Patent for an acetylene gas generator. Illustration included.
Date: May 2, 1905
Creator: Pruitt, George Holditch & Pruitt, Conrad D.

Adjustable Rack for Railway-Cars.

Description: Patent for improvements on racks in railway-cars including more storage for smaller items, an adjustable rack for children or elderly persons to be able to reach without needing to stand on the car seat, a titled hinge that allows a rack to be pulled for ward and pushed back, and other improvements.
Date: August 2, 1898
Creator: Butler, Michael

Adjustable Split Lock-Nut or Union

Description: Patent for an adjustable split cock-nut or union that is of a simple, cheap, and efficient construction with an intended use on valve rods of internal combustion engines. This device is designed to withstand direct pressure, blows, and torque forces.
Date: December 2, 1919
Creator: Dickinson, Harry E.

Advertising Clock

Description: Patent for an advertising clock. This invention is designed to display advertisement at regular intervals. Illustration included.
Date: March 2, 1909
Creator: Barnett, John Beverly & Turner, W. N.

Aerial Vehicle

Description: Patent for an aerial vehicle. Illustrations included.
Date: January 2, 1912
Creator: Rex, Cleveland A.

Agricultural Implement

Description: Patent for an agricultural implement. This invention allows for the interchangeability of different blades. Illustration included.
Date: October 2, 1906
Creator: Messer, Jeremiah Clark

Agricultural Implement.

Description: Patent for "agricultural implements to be used for tilling the soil and planting, either separately or at one and the same operation, and has for its object to reduce the expense incurred by the general practice of first preparing the land for planting and subsequently sowing the seed. By this inventions the land can simultaneously prepared and the grain deposited therein." (Lines 8-17) Includes instructions and illustrations.
Date: March 2, 1897
Creator: Dycus, George W.

Air Compressor for Deep Well Pumps.

Description: Patent for a new and improved air-compressor. This design "relates to improvements in air-compressing mechanism for the purpose of pumping for forcing from deep wells and performing similar work; and it consists in the construction and arrangement of a larger and smaller air-cylinder, and the combination therewith of mechanism to force the air from the larger into the smaller cylinder to increase the air-pressure in the latter" (lines 22-30).
Date: August 2, 1887
Creator: Adams, John R.

Air-Pipe Coupling.

Description: Patent for an improved air-pipe coupling that is airtight and watertight and has a flexible union for railroad cars.
Date: May 2, 1893
Creator: Thomas, James Bryant

Airship.

Description: Patent for an airship with multiple gas bags inside an outer enclosing casing, which maintain the buoyancy of the airship in case one or more of the smaller bags should rupture. This airship also supports one or more persons other than the pilot, has an "envelop adapted to serve as a parachute in the event of danger", and can "alight upon and rise from the surface of a body of water".
Date: July 2, 1918
Creator: Richmond, George E.

Animal Hopple

Description: Patent for certain new improvements in animal hopples. This device prevents animals from rearing up in the front when it is worn. The device consists of several plates and a collar with a connecting chain.
Date: June 2, 1914
Creator: Hentschel, Andrew J.

Animal-Trap.

Description: Patent for an animal trap that allows an animal, most suitably animals of the rodent species, to enter a rectangular box from any of its four sides through a gate formed of downwardly inclined wires pivoted above each of said openings inside of the box. When an animal enters the trap, they are unable to leave because of the downwardly bent ends of transverse bars secured to the said inclined wires.
Date: November 2, 1920
Creator: Smith, James W.

Ant-Trap

Description: Patent for "a simple device of this kind which will excel the former traps in depositing the ants within the annular pan and in efficiency for convenient discharge of the trapped insects" (lines 18-22).
Date: April 2, 1901
Creator: Inman, Joseph

Antiseptic Shaving Outfit.

Description: Patent for a more compact and improved version of an antiseptic shaving outfit, including illustrations.
Date: January 2, 1917
Creator: Braunstein, Aron

Apparatus for Curing Tire Casings.

Description: Patent for a more efficient system for curing tire casings. The new patented apparatus was capable of providing both smooth and ribbed tire textures by way of aluminum tips and molds. Additionally, the apparatus provided retreading and faster curing of pneumatic tires.
Date: December 2, 1919
Creator: Bongio, Philip P. & Stephenson, Elonzo

Apparatus for Destroying Insects.

Description: Patent for a new and improved apparatus for killing ants. This design "consist[s] of frame, levers, pivoted arms, piston-rod, piston provided with valves and openings, air-tight iron chamber having opening pipe, furnace provided with double lid, lugs, pipe, clamp, and wedge . . . whereby the flame as well as the poisonous vapors are injected into the insect chambers" (lines 50-58).
Date: August 2, 1881
Creator: Gray, Hiram Balderston

Apparatus for Handling and Cleaning Seed-Cotton.

Description: Patent for improvements in apparatus for handling and cleaning seed-cotton by “conveying cotton through a pneumatic tube and for automatically delivering therefrom to each of a series of gins an amount of cleaned cotton graduated at all times to the need of each gin. The flow of the main current in the tube is not interrupted by the several subtractions.” (Lines 17-23) Illustration is included.
Date: June 2, 1891
Creator: Elam, William E.

Apparatus for Handling Seed Cotton.

Description: Patent for cotton house with bins and conveyors that prevent the cotton from being contaminated.
Date: December 2, 1884
Creator: Munger, Robert S.

Apparatus for Handling Seed-Cotton.

Description: Patent for a "mechanism for handling seed-cotton [...] to provide novel means for conveying said cotton directly from the wagon or from the cotton-house to the ginning mechanism, whereby the cotton is cleansed and dried during its passage" (lines 7-13). It also helps to prevent fires and contamination of ginned cotton, and to reduce labor handling seed-cotton.
Date: December 2, 1884
Creator: Munger, Robert S.

Apparatus for Separating Substances of Different Dielectric Capacities.

Description: Patent for an apparatus for separating substances of different dielectric capacities; the objective of this invention is to provide means for the material to be separated into its component particles for the purpose of producing material of dielectric hysteric impedance and collecting the separated particles according to the difference in time that the particles maintain their polarity due to the impedance generated from them.
Date: August 2, 1921
Creator: Sutton, Henry M.

Apparatus for Testing Errors of Refraction

Description: Patent for an eye testing device that has a movable lens, a measuring device for correction, and two different cards with test type on them which are fed into the machine during testing for astigmatism and myopia, presbyopia, and hyperopia to determine the level of correction needed in glasses.
Date: July 2, 1907
Creator: Bahn, Gustavus Adolphus
Back to Top of Screen