Resource Type
Partner
UNT Libraries Government Documents Department
19,456
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
18,568
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
Check-Row Attachment for Corn-Planters
Patent for "an improved check-row attachment for corn-planting machines, the object of my invention being to provide an efficient mechanism for actuating the seed-dropping mechanism of the corn-planter and which my be operated by the feet of the driver or by a check-wire in such manner as to cause the seeds to be planted in check-rows." (lines 8-15) including illustrations.
Date:
June 9, 1903
Creator:
Agee, George S.
System:
The Portal to Texas History
Operating Mechanism for Window Sash and Screens
Patent for improvements for window sash and screens, specifically improving opening, adjusting and closing mechanisms.
Date:
June 6, 1916
Creator:
Agee, Howard L.
System:
The Portal to Texas History
Guard Doors and the Like
Patent for improved guards for doors.
Date:
February 13, 1917
Creator:
Agee, Howard L. & Agee, Sidney A.
System:
The Portal to Texas History
Screen-Hanger.
Patent for more accessible window screen hangers. The inventors claimed that these improved screen hangers eliminated the challenge of hanging window screens on the exterior of tall buildings. These screen hangers allowed customers to hang, adjust, and clean screens from the inside of buildings.
Date:
December 9, 1919
Creator:
Agee, Howard L. & Agee, Sidney A.
System:
The Portal to Texas History
Combined Cotton Chopper and Cultivator.
Patent for a combined cotton chopper and cultivator, which allows cotton to be chopped earlier and to be done by one person.
Date:
November 17, 1908
Creator:
Agee, Jonathan F.
System:
The Portal to Texas History
Cotton Chopper And Checker
Patent for a cotton chopper and checker. Illustration included.
Date:
November 21, 1905
Creator:
Agee, Jonathan F.
System:
The Portal to Texas History
Draft Attachment for Railway Cars
Patent for a draft attachment for railway cars.
Date:
November 10, 1903
Creator:
Agnell, Peter W.
System:
The Portal to Texas History
World-Chronometer
Patent for a globe set on top of a pedestal, where the globes rotates by clock work to instruct the user of the time for any given place on the globe. Sides of the pedestal also allow for advertising.
Date:
December 29, 1914
Creator:
Agnew, Walter F.
System:
The Portal to Texas History
Aparatus for Cleaning Lechuguilla, Henequen, and Analogous Fibrous Plants.
Patent for an improved apparatus for scraping lechugilla, henequen, and analogous fibrous plants. This apparatus scrapes the stalks of the plants mechanically and separates the pulp from the fiber of the plant so that the fiber will be cleaned and ready for use.
Date:
September 3, 1918
Creator:
Aguilar, Alfonso
System:
The Portal to Texas History
Improved method for removing metal vapor from gas streams
This invention relates to a process for gas cleanup to remove one or more metallic contaminants present as vapor. More particularly, the invention relates to a gas cleanup process using mass transfer to control the saturation levels such that essentially no particulates are formed, and the vapor condenses on the gas passage surfaces. It addresses the need to cleanup an inert gas contaminated with cadmium which may escape from the electrochemical processing of Integral Fast Reactor (IFR) fuel in a hot cell. The IFR is a complete, self-contained, sodium-cooled, pool-type fast reactor fueled with a metallic alloy of uranium, plutonium and zirconium, and is equipped with a close-coupled fuel cycle. Tests with a model have shown that removal of cadmium from argon gas is in the order of 99.99%. The invention could also apply to the industrial cleanup of air or other gases contaminated with zinc, lead, or mercury. In addition, the invention has application in the cleanup of other gas systems contaminated with metal vapors which may be toxic or unhealthy.
Date:
September 19, 1994
Creator:
Ahluwalia, R. K. & Im, K. H.
System:
The UNT Digital Library
Improvement in Car-Couplings.
Patent for an improvement to car couplings which would "obviate the necessity and its attendant danger of going between the cars" (lines 17-18) including an illustration.
Date:
July 22, 1879
Creator:
Ahrenbeck, C.
System:
The Portal to Texas History
Improvement for Axle-Boxes for Vehicles
Patent for an improvement in axle-boxes for vehicles which incorporates an adjustable tube that may take up the wear on its ends.
Date:
June 11, 1872
Creator:
Ahrenbeck, Charles
System:
The Portal to Texas History
Improvement in Axles for Vehicles
Patent for "an Improvement in Wagon-Axle Skeins" that "has for its object to furnish an improved iron axle for wagons and other vehicles which shall be stronger without being heavier than iron axles made in the ordinary manner."
Date:
July 2, 1872
Creator:
Ahrenbeck, Charles
System:
The Portal to Texas History
Improvement in Whiffletree-Fastenings.
Patent for the improvement of whiffletree fastenings, relating to the means by which single-trees are attached to a double-tree. It includes a description and illustration.
Date:
June 11, 1872
Creator:
Ahrenbeck, Charles
System:
The Portal to Texas History
Oil Press Mat.
Patent for a new and improved oil press mat. This design "is to flexibly connect the metal plates or leaves of a three-leaved oil-press mat in such manner that when the mat with the bags of meal interposed between its leaves is subjected to pressure for the purpose of expressing the oil the parallelism of the leaves will be maintained and endwise shifting of the same prevented. A further object is to provide a fastening . . . which shall be stronger, more durable, and more positive in its functions" (lines 31-41).
Date:
June 7, 1881
Creator:
Ahrenbeck, William
System:
The Portal to Texas History
Apparatus for Barreling Soap-Stock.
Patent for "an apparatus for filling barrels with soap-stock or other thick liquid of similar consistency, the object being to provide a machine whereby the barrels may be filled quickly through the bung-hole." (Lines 12-16) Includes instructions and illustrations.
Date:
February 9, 1897
Creator:
Ahrenbeck, William C.
System:
The Portal to Texas History
Banana-Case
Patent for a banana case to "provide a case or crate in which bananas may be readily packed and transported without injury to the fruit."
Date:
November 13, 1888
Creator:
Aiken, Robert H.
System:
The Portal to Texas History
Solar coal-gasification reactor with pyrolysis-gas recycle. [Patent application]
Coal (or other carbonaceous matter, such as biomass) is converted into a product gas that is substantially free from hydrocarbons. The coal is fed into a solar reactor, and solar energy is directed into the reactor onto coal char, creating a gasification front and a pyrolysis front. A gasification zone is produced well above the coal level within the reactor. A pyrolysis zone is produced immediately above the coal level. Steam, injected into the reactor adjacent to the gasification zone, reacts with char to generate product gases. Solar energy supplies the energy for the endothermic steam-char reaction. The hot product gases flow from the gasification zone to the pyrolysis zone to generate hot char. Gases are withdrawn from the pyrolysis zone and reinjected into the region of the reactor adjacent the gasification zone. This eliminates hydrocarbons in the gas by steam reformation on the hot char. The product gas is withdrawn from a region of the reactor between the gasification zone and the pyrolysis zone. The product gas will be free of tar and other hydrocarbons, and thus be suitable for use in many processes.
Date:
April 6, 1981
Creator:
Aiman, W.R. & Gregg, D.W.
System:
The UNT Digital Library
Commode-Seat.
Patent for a commode/toilet seat and storage cabinet that holds multiple seats that can be used to provide individual seats for each person using the commode/toilet.
Date:
September 26, 1911
Creator:
Ainsworth, Lucian M.
System:
The Portal to Texas History
Wire Stretcher.
Patent for a new and improved wire stretcher. This design consists in "a frame having two arms, one carrying a fixed clamp and the other a roller, a windlass mounted on said frame having a rope passing over said roller and adapted to be fixed to an end of wire, and a central clamp consisting of a rigid bar on the frame between its arms, a notched clamp pivoted thereon, and a ring for retaining the clamp" (lines 6-14).
Date:
February 22, 1887
Creator:
Ainsworth, Phineas Hardaman
System:
The Portal to Texas History
Broom or Brush
Patent for metal brooms or brushes that are "strong and durable, relatively light in weight, and can be inexpensively manufactured" (line 13-15). It is intended for "sweeping snow, mud, slush, and the like" (line 16-17). The patent can also be applied for smaller version of metal brooms or brushes for other purposes.
Date:
March 16, 1915
Creator:
Airhart, Noah S.
System:
The Portal to Texas History
Underscoring Attachment for Type-Writers.
Patent for an improvement on an underscoring attachment for type writers that allows the user to use the functions of underscoring, correcting, and cancelling characters as they type, allowing some functions to occur simultaneously, including instructions and illustrations.
Date:
July 17, 1917
Creator:
Aiton, Fred
System:
The Portal to Texas History
Baby Net Frame.
Patent for a frame that can support a baby net and can be collapsed for easy storage. The frame also features components that prevent collapse and provide stability when in use.
Date:
June 6, 1922
Creator:
Akers, Blessie E.
System:
The Portal to Texas History
Guard-Rail Clamp.
Patent for guard rail clamps to securely clasp guard rails with the main rail with features such as spikes and braces.
Date:
March 12, 1912
Creator:
Akers, Harry R.
System:
The Portal to Texas History