Resource Type
Partner
UNT Libraries Government Documents Department
19,458
UNT College of Arts and Sciences
56
UNT College of Engineering
19
Private Collection of J. K. Johnson
4
Grayson College Foundation
1
Moody Medical Library, UT
1
Private Collection of Mike Cochran
1
University of Dallas
1
UNT Libraries Special Collections
1
UNT College of Information
1
Collection
Texas Patents
18,570
Office of Scientific & Technical Information Technical Reports
887
UNT Scholarly Works
76
Rescuing Texas History, 2019
5
The Civil War and its Aftermath: Diverse Perspectives
1
Rescuing Texas History, 2017
1
Texas Cultures Online
1
Technical Report Archive and Image Library
1
TRAIL Microcard Collection
1
T. V. Munson Collection
1
States
Decade
Month
Railway Signaling Mechanism
Patent for a railway signaling mechanism. This invention "relates to certain new and useful improvements in electric railway and block signaling in which means are provided for indicating in the engine cab to the engineer the condition of the road ahead" (lines 9-13). Illustrations included.
Date:
January 15, 1907
Creator:
Adams, Edwin Johnson
System:
The Portal to Texas History
Boring-Tool.
Patent for "a boring tool for boring scarred and worn engine cylinders" (lines 14-15) that allows for more customization when cutting.
Date:
January 4, 1921
Creator:
Adams, George Reese.
System:
The Portal to Texas History
Reproducing Device for Graphophones.
Patent for a reproducing device for graphophones improving the objects that transmit sound to the horn or like element and provide a new means to mount the tone arm. It further improves the means for mounting the needle on the device.
Date:
April 22, 1919
Creator:
Adams, Henry Rolland
System:
The Portal to Texas History
Electric Motor.
Patent for an electric motor that operates "with equal efficiency on either direct or alternating current" (lines 10-11).
Date:
May 4, 1915
Creator:
Adams, Homer E.
System:
The Portal to Texas History
Surveying Instrument.
Patent for new and improved surveying instrument for use "in calculating the distance between the point of 'setting up' and the target, without the use of the usual linear chain" (lines 12-15). Illustration and instruction included.
Date:
March 7, 1916
Creator:
Adams, J. S.
System:
The Portal to Texas History
Steam, Air, or Water Engine.
Patent for simplifying the construction of steam-engines allowing them efficiently use the power of steam" gas, vapor or air in varying positions, vertical, horizontal, or inclined.
Date:
May 9, 1882
Creator:
Adams, James A.
System:
The Portal to Texas History
Rotary-Engine.
Patent for a new and improved rotary engine. This design consists "of a wheel provided with radially-sliding pistons and revolving within a fixed circumferential steam-chest, and having fixed on its axle an eccentric and spring, that operate to throw the pistons or floats outward to receive the pressure of the steam or other motor that is to drive the engine" (lines 19-26).
Date:
January 20, 1880
Creator:
Adams, James Ansley
System:
The Portal to Texas History
Saddle.
Patent for a new and improved saddle. This design "consists in a rubber or other elastic seat having a thick central portion with tapering thin edges and a leather covering for the same" (lines 9-11).
Date:
November 4, 1884
Creator:
Adams, James E. & Shero, Philip
System:
The Portal to Texas History
Gasoline Wash Furnace
Patent for a gasoline wash furnace designed for use in heating water for clothea
Date:
November 7, 1922
Creator:
Adams, James V.
System:
The Portal to Texas History
Improvement in Combined Planter and Cultivator.
Patent for "a simple, practical combined planter and cotton and corn cultivator, which shall be easily adjusted and operated, and shall be cheap and durable" (lines 11-12). The patent includes instructions and an illustration.
Date:
August 20, 1867
Creator:
Adams, Jesse
System:
The Portal to Texas History
Improvement in Cotton-Cultivator.
Patent for improvements in cotton cultivators.
Date:
August 13, 1867
Creator:
Adams, Jesse
System:
The Portal to Texas History
Cotton-Chopper.
Patent for a content chopping device with an adjustable lever and cutters. The cotton chopper can be attached to different cultivator frames (farm equipment) and adjusted to chop or thin out different rows of cotton stalks (or other plants).
Date:
March 23, 1915
Creator:
Adams, Joe B. & Miller, Lawrence M.
System:
The Portal to Texas History
Air Compressor for Deep Well Pumps.
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.
System:
The Portal to Texas History
Life Raft.
Patent for boat state rooms that convert into life rafts.
Date:
September 9, 1884
Creator:
Adams, John R.
System:
The Portal to Texas History
Apparatus for the Conversion of Liquids, Fluids, and Oils.
Patent for an apparatus for the conversion of liquids, fluids, and oils. This invention is to use high heat to change the original oils and fluids into oils and fluids of better quality and value.
Date:
November 4, 1919
Creator:
Adams, Joseph H.
System:
The Portal to Texas History
Oil-Converting Apparatus.
Patent for an apparatus that can be built at moderate cost, which will enable a high rate of commercially efficient work to reduce "the specific gravity of various grades of hyrdo-carbon oils, especially those of a semi-refined character" (lines 22 - 24).
Date:
October 28, 1919
Creator:
Adams, Joseph H.
System:
The Portal to Texas History
Process for the Conversion of Liquids, Fluids, and Oils
Patent for a process for the conversion of liquids, fluids, and oils that converts these fluids into more buoyant products with lower specific gravities and boiling points. This process seeks to meet demand for engine fuels, gasoline, and oils, and augment the diminishing supply of these natural products.
Date:
November 4, 1919
Creator:
Adams, Joseph H.
System:
The Portal to Texas History
Automatic Signal System
Patent for an automatic signal system for use with railways. Illustrations included.
Date:
December 14, 1909
Creator:
Adams, Powell O.
System:
The Portal to Texas History
Emergency Rail-Brake.
Patent for "a new and improved emergency rail-brake" (lines 1-5).
Date:
January 16, 1906
Creator:
Adams, Powell O.
System:
The Portal to Texas History
Rail-Joint.
Patent for a rail joint, which is long lasting and rigid.
Date:
September 13, 1910
Creator:
Adams, Powell O.
System:
The Portal to Texas History
Rail-Joint.
Patent for improvements to the joints for railway rails to prevent "bumping of the wheels against the ends of rails and the cross ties adjacent to the joints" (lines 16-18) including illustrations.
Date:
January 21, 1908
Creator:
Adams, Powell O.
System:
The Portal to Texas History
Railway-Crossing
Patent for crossings for railway tracks and particularly to means for closing the cut in the rails made for the flanges of the wheels, and the object is to provide sliding members which can be easily operated to close the slot or cut in the crossing rails for the flanges of the wheels so that a continuous tread will be formed for every wheel that passes over the crossing and to provide a mechanism for the tracks.
Date:
March 30, 1909
Creator:
Adams, Powell O.
System:
The Portal to Texas History
Railway-Crossing.
Patent for a railway crossing track, which does not jar the train's wheels as it passes over the crossing.
Date:
November 17, 1908
Creator:
Adams, Powell O.
System:
The Portal to Texas History
Pneumatic Rail-Brake.
Patent for a pneumatic rail brake, which operates automatically to prevent derailment.
Date:
March 30, 1909
Creator:
Adams, Powell Orgain
System:
The Portal to Texas History