Resource Type
Partner
UNT Libraries Government Documents Department
19,459
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
18,571
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
Pencil-Sharpener.
Patent for a new and improved pencil sharpener "which will be simple and inexpensive in manufacture, highly effective in use, durable in service, and a general improvement in the art" (lines 20-23), including illustrations.
Date:
March 22, 1921
Creator:
Scougale, Malcolm
System:
The Portal to Texas History
Process of Forming Individual Foot-Forms and Fitting Shoes Thereon.
Patent for the improvement of the process of forming individual foot forms or replicas of a person's specific foot. This alleviates a person having to go through the painful process of breaking in new shoes. The foot forms can then either be kept by the individual or by the shoe dealer for making future foot wear.
Date:
March 22, 1921
Creator:
Butler, James B.
System:
The Portal to Texas History
Pump-Piston.
Patent for new and improved pump piston. This patent is accompanied by drawings and the object is to provide a pump piston wherein the the piston body proper is securely maintained against shifting upon the piston rod.
Date:
March 22, 1921
Creator:
Yount, Miles F.
System:
The Portal to Texas History
Record-Printing Device.
Patent for record printing device that is used on cars for mechanics to record the car number and other data. The printing device is more durable especially though rough weather and easy to use by the mechanic.
Date:
March 22, 1921
Creator:
Gray, Dexter B.
System:
The Portal to Texas History
Roller-Distributer.
Patent for a new and useful roller-distributer of the sort used on a light and relatively inexpensive automobile of widely known construction.
Date:
March 22, 1921
Creator:
Lopez, Jesus M.
System:
The Portal to Texas History
Tool Joint.
Patent for a new tool joint used in rotary drilling to connect the parts of a drill stem. The tool joint is not exclusive to drill stems and may be used in other applications.
Date:
March 22, 1921
Creator:
Kreiter, Richard F.
System:
The Portal to Texas History
Tractor
Patent for an improved tractor where the "propelling force is delivered through traction blocks...(lines 11-12)."
Date:
March 22, 1921
Creator:
Aerl, Van Vivian
System:
The Portal to Texas History
Friction Transmission Mechanism.
Patent for improvements toward friction transmission mechanisms. It would eliminate the use of some gears.
Date:
March 28, 1921
Creator:
McDermott, Henry
System:
The Portal to Texas History
Attachment For Internal-Combustion Motors
Patent for improvements in attachments for internal- combustion motors. The invention is about new and useful improvements to a specific attachment. The two stated objectives are to provide a device adapted for application to the intake pipe on an internal combustion motor and to provide a device which may be locked in a closed position, thereby preventing theft.
Date:
March 29, 1921
Creator:
Thomas, James Clarence
System:
The Portal to Texas History
Automatic Heat-Regulator for Incubators.
Patent for a device that allows for automatic temperature regulation in incubators. It operates by extinguishing and lighting the incubator's heating lamp wick to maintain a predetermined temperature.
Date:
March 29, 1921
Creator:
Wiedner, Charles
System:
The Portal to Texas History
Bending-Machine and Method of Bending.
Patent for a machine to bend metal into various shapes for the purpose of construction and reinforcement.
Date:
March 29, 1921
Creator:
Holmgreen, Julius H.
System:
The Portal to Texas History
Cable-Clamp.
Patent for improved cable-clamps for oil drilling and water wells, such that the gripping member will accommodate a variety of cable sizes.
Date:
March 29, 1921
Creator:
Lacy, Benjamin B.
System:
The Portal to Texas History
Calk Attachment For Horseshoes
Patent for new and useful improvements in calk attachments for horseshoes. The objective is to provide detachable means applicable to the conventional types of shoe without any modifications.
Date:
March 29, 1921
Creator:
Douglas, John Davies
System:
The Portal to Texas History
Cleaning Device
Patent for a cleaning tool that attaches to the windshields of automobile windows to clean snow, rain, and dust. It is operated from the interior of the car and can be easily attached and removed. Includes illustrations.
Date:
March 29, 1921
Creator:
Rivers, Charles A. & Stuart, Francis B.
System:
The Portal to Texas History
Cotton-Harvester
Patent for a cotton harvester "with an improved arrangement of combined gathering and picking arms" (lines 12-13) to more effectively obtain the cotton bolls (i.e. balls), including illustrations.
Date:
March 29, 1921
Creator:
Stanton, John T.
System:
The Portal to Texas History
Coupling.
Patent for improvements to couplings for windmills specifically "for use in connecting the pump rod to the reciprocal rod of the windmill, so as to permit reciprocation of the wind mill rod independently of movement of the pump rod, and which also will permit the relatively quick and easy change from windmill power to engine power, such as gasolene engine or the like, for pumping water from wells" (lines 9-17) including instructions and illustrations.
Date:
March 29, 1921
Creator:
Regenier, John G.
System:
The Portal to Texas History
Insulator.
Patent for a train track insulator, which acts as a fastener between adjourning portions of track.
Date:
March 29, 1921
Creator:
Collier, William R.
System:
The Portal to Texas History
Lateral-Wear Reducer for Locomotives.
Patent for lateral wear reducer for locomotives that prevent or reduces wear on the train wheels.
Date:
March 29, 1921
Creator:
Paxton, Thomas
System:
The Portal to Texas History
Lubricator.
Patent for new and improved lubricator. The invention is connected to lubricators used in earth boring drills for deep well drilling.
Date:
March 29, 1921
Creator:
Scott, Floyd L.
System:
The Portal to Texas History
Sprinkling Device
Patent for a lawn sprinkling device composed of multiple pipes that are configured into one self-sufficient structure. The discharge nozzle is angular and can be adjusted to point in different lawn areas.
Date:
March 29, 1921
Creator:
Gomez, Blas
System:
The Portal to Texas History
Vehicle-Body
Patent for new and useful improvements in vehicle bodies - a vehicle for carrying groceries, vegetables, and other necessities, as a traveling store.
Date:
March 29, 1921
Creator:
Wieman, Herman A,
System:
The Portal to Texas History
Wheel-Tread.
Patent for improvements on tractor wheel tread design, the structure of which was previously submitted by the inventor in 1918. This improved wheel tread makes the structure stronger and more compact.
Date:
March 29, 1921
Creator:
Ingram, Joseph D.
System:
The Portal to Texas History
Adjustable Luggage-carrier
Patent for a luggage carrier that attaches to vehicles to carry packages of various sizes. Includes illustrations.
Date:
April 5, 1921
Creator:
Green, John R.
System:
The Portal to Texas History
Aircraft
Patent for Improvements to aircraft steering. The invention allows the pilot to adjust the center of mass.
Date:
April 5, 1921
Creator:
Johnson, Louis V.
System:
The Portal to Texas History