Language

Boll Weevil Catcher (open access)

Boll Weevil Catcher

The objective of the invention is to improve to catching and destroying boll weevils with a device that is easily attached to a cultivator. This device includes "receptacles filled with an insect destroying liquid." (lines 23-24).
Date: July 5, 1921
Creator: Ploch, Alex
Object Type: Patent
System: The Portal to Texas History
Animated Sign (open access)

Animated Sign

Patent for a display apparatus to be implemented as animated advertising signs which successively display different images by controlling the timing of changes in the colors of light used to flood the front and to backlight the display surfaces. The images are created in such a way that certain elements created in certain colors become absorbed or are made invisible when illuminated by certain colors of light. An apparatus controls the cyclical changes of the colored lights used by the sign.
Date: September 5, 1922
Creator: Craig, Richard M.
Object Type: Patent
System: The Portal to Texas History
Aircraft (open access)

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.
Object Type: Patent
System: The Portal to Texas History
Priming-Cup (open access)

Priming-Cup

Patent for an improved version of the priming cup "shown in Patent No. 1,329,464, granted February 3, 1920" (lines13-14). Includes illustrations.
Date: April 5, 1921
Creator: Martinek, Stanley A.
Object Type: Patent
System: The Portal to Texas History
Means For Protecting Vaults. (open access)

Means For Protecting Vaults.

Patent for protecting bank vaults by using metal shells (that are adapted to receive frangible gas containers containing asphyxiating or other disabling gas) as inner linings inside and next to the brick wall of the vault. The metal shells containing the gas containers will break upon contact when a person or persons are trying to breach the outer (brick wall) to gain access to the bank vault.
Date: April 5, 1921
Creator: Bumpass, Leonard E.
Object Type: Patent
System: The Portal to Texas History
Motor-Vehicle Headlighting (open access)

Motor-Vehicle Headlighting

A report on the necessity of improved motor-vehicle lighting.
Date: August 5, 1925
Creator: Carlson, R. E.
Object Type: Report
System: The UNT Digital Library
Formulas, Tables and Curves for Computing the Mutual Inductance of Two Coaxial Circles (open access)

Formulas, Tables and Curves for Computing the Mutual Inductance of Two Coaxial Circles

Scientific paper issued by the Bureau of Standards over the mutual inductance of two coaxial circles. As stated in the abstract, "a number of examples are given to show the methods of computation by the different formulas, tables, and charts" (p. 541). This paper includes tables, and illustrations.
Date: August 5, 1924
Creator: Curtis, Harvey L. & Sparks, C. Matilda
Object Type: Report
System: The UNT Digital Library
Drag and Cooling With Various Forms of Cowling for A "Whirlwind" Radial Air-Cooled Engine - 1 (open access)

Drag and Cooling With Various Forms of Cowling for A "Whirlwind" Radial Air-Cooled Engine - 1

"This report presents the results of an investigation undertaken in the 20-foot Propeller Research Tunnel at Langley Field on the cowling of radial air-cooled engines. A portion of the investigation has been completed, in which several forms and degrees of cowling were tested on Wright "Whirlwind" J-5 engine mounted in the nose of a cabin fuselage. The cowlings varied from the one extreme of an entirely exposed engine to the other in which the engine was entirely inclosed. Cooling tests were made and each cowling modified, if necessary, until the engine cooled approximately as satisfactorily as when it was entirely exposed" (p. 165).
Date: October 5, 1928
Creator: Weick, Fred E.
Object Type: Report
System: The UNT Digital Library
Tests on Models of Three British Airplanes in the Variable Density Wind Tunnel (open access)

Tests on Models of Three British Airplanes in the Variable Density Wind Tunnel

"This report contains the results of tests made in the National Advisory Committee for Aeronautics variable density wind tunnel on three airplane models supplied by the British Aeronautical Research Committee. These models, the BE-2E with R.A.F. 19 wings, the British Fighter with R.A.F. 15 wings, and the Bristol Fighter with R.A.F. 30 wings, were tested over a wide range in Reynolds numbers in order to supply data desired by the Aeronautical Research Committee for scale effect studies. The maximum lifts obtained in these tests are in excellent agreement with the published results of British tests, both model and full scale" (p. 451).
Date: April 5, 1927
Creator: Higgins, George J.; Diehl, W. S. & DeFoe, George L.
Object Type: Report
System: The UNT Digital Library
Check-Book (open access)

Check-Book

Patent for a foldable check book. Illustration is included.
Date: October 5, 1920
Creator: Exline, Marcus P.
Object Type: Patent
System: The Portal to Texas History
Adjustable Luggage-carrier (open access)

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.
Object Type: Patent
System: The Portal to Texas History
Antileak Composition. (open access)

Antileak Composition.

Patent for improvements in antileak composition in order to prevent leaks in liquid holding containers like radiators, boilers, etc.
Date: July 5, 1921
Creator: Shrum, Will N.
Object Type: Patent
System: The Portal to Texas History
Combined Brace and Angle-Bar for Vehicle-Bodies. (open access)

Combined Brace and Angle-Bar for Vehicle-Bodies.

Patent for braces and angle bars on vehicle bodies that improves the brace to hold buggy beds together with illustration that shows improvements. "When these braces are secured on the bed they will prevent the adjacent parts of the bed from splitting, spreading or dropping down and they will hold the ends and sides, as well as the bottom of the bed securely in place" (lines 61-66).
Date: April 5, 1921
Creator: Kilpatrick, Robert L.
Object Type: Patent
System: The Portal to Texas History
Cigarette Package. (open access)

Cigarette Package.

Patent for "new and useful Improvements in Cigarette Packages" (lines 5-6) including "the method of dispensing or extracting cigarettes from the package and as well to the method of making a cigarette package" (lines 9-12), including one illustration.
Date: September 5, 1922
Creator: Sohn, Elmer L.
Object Type: Patent
System: The Portal to Texas History
Animal-Trap (open access)

Animal-Trap

Patent for an animal trap which is to be sprung by the animal when the bait is touched. It is constructed in such a manner that the animal will be instantly killed. The metal parts of the trap are to create a strong and durable trap and to be manufactured at a small expense.
Date: April 5, 1921
Creator: Brewington, Philip Jennings
Object Type: Patent
System: The Portal to Texas History
Digging-Machine. (open access)

Digging-Machine.

Patent for a digging machine specialized in breaking hard soil and creating ridges that attempt to reduce erosion.
Date: April 5, 1921
Creator: Holly, Charles
Object Type: Patent
System: The Portal to Texas History
Garment-Hanger. (open access)

Garment-Hanger.

Patent for a new garment hanger with supported arms that can be folded for storage, including illustrations.
Date: April 5, 1921
Creator: Morton, John R.
Object Type: Patent
System: The Portal to Texas History
Automatic Separator and Evaporator. (open access)

Automatic Separator and Evaporator.

Patent for an improved automatic separator and evaporator which controls the intake with an included air-lift or jet-ejector, including illustrations.
Date: April 5, 1921
Creator: Allen, Charles
Object Type: Patent
System: The Portal to Texas History
Fire-Extinguisher for Aeroplanes and the Like. (open access)

Fire-Extinguisher for Aeroplanes and the Like.

Patent for a fire extinguisher apparatus to be used in air crafts, boats, and other vehicles designed to be lightweight and to quickly extinguish fires.
Date: July 5, 1921
Creator: Clark, Walter C.
Object Type: Patent
System: The Portal to Texas History
Rubber Razor. (open access)

Rubber Razor.

Patent for a rubber razor. The rubber razor provides a flexible support for multiple blade and will allow the blades to contour to one's face.
Date: July 5, 1921
Creator: Billingsley, Rennie E.
Object Type: Patent
System: The Portal to Texas History
Mower. (open access)

Mower.

Patent for a new mower designed for use with a single horse and provide a device where the sickle bar may be adjusted at various heights.
Date: July 5, 1921
Creator: John Bryon Nelson
Object Type: Patent
System: The Portal to Texas History
Paving Apparatus. (open access)

Paving Apparatus.

Patent for "a device or apparatus for transmitting the vibrations of a vibrating machine...for the purpose of solidifying the paving by driving out air and water and surplus moisture" (lines 12-18), including illustration.
Date: July 5, 1921
Creator: Stubbs, Robert C.
Object Type: Patent
System: The Portal to Texas History
Battery Terminal Fastening (open access)

Battery Terminal Fastening

Patent for fastening "the rubber caps or tops on the cells of storage batteries in various ways." (Lines 12-14.)
Date: May 5, 1920
Creator: Hawkins, Alda F.
Object Type: Patent
System: The Portal to Texas History
Annual Report of the Boy Scouts of America: 1925 (open access)

Annual Report of the Boy Scouts of America: 1925

Annual report submitted by the Boy Scouts of America to Congress describing highlights from 1926, activities, finance, organizational leadership, and other information about scouting programs.
Date: June 5, 1926
Creator: Boy Scouts of America
Object Type: Report
System: The Portal to Texas History