18 Matching Results

Results open in a new window/tab.

Cooking Utensil (open access)

Cooking Utensil

Patent for a device to heat a cooking utensil's content. The object provides a device which will support a receptacle in or outside any type of heating medium. It also requires only a minimal heating surface to radiate heat to all sides of the receptacle as well as the very bottom.
Date: December 13, 1921
Creator: Kirk, Robert B. & Young, Joseph B.
System: The Portal to Texas History
Flush-Valve (open access)

Flush-Valve

Patent for a flush valve designed for efficiency.
Date: September 13, 1921
Creator: Winckler, Henry J.
System: The Portal to Texas History
Shoe-Heel Holder. (open access)

Shoe-Heel Holder.

Patent for "the provision of means for removably holding a heel in position for attachment to a shoe...as to hold it against accidental displacement during the operation of securing it to the shoe..." (lines 10-12, 22-24). It also includes an illustration.
Date: September 13, 1921
Creator: Creed, William Thomas
System: The Portal to Texas History
Air-Brake and Starter for Automobiles. (open access)

Air-Brake and Starter for Automobiles.

Patent for multiple innovations to automobile air-brakes and starters, including improvements such as ease of use, reliability, and versatility amongst vehicle models.
Date: December 13, 1921
Creator: Green, Herbert
System: The Portal to Texas History
Weevil-Exterminator (open access)

Weevil-Exterminator

Patent for a new and useful improvement in weevil exterminators that provides a comparatively simple and effective apparatus for removing boll weevils from cotton plants. It also removes the injured or affect leaves and fruit that have been attacked by the boll weevil so that further injury to the plants may be prevented, and at the same time gather from the ground at the roots of the rows of cotton plants the leaves and rubbish detached from the plants.
Date: December 13, 1921
Creator: Roe, Charles C.
System: The Portal to Texas History
Signal for Vehicles. (open access)

Signal for Vehicles.

Patent for a signal designed to be carried on the rear end of a motor vehicle for the purpose of indicating whether the vehicle intends to turn to the right or to the left, operated by the driver in advance.
Date: September 13, 1921
Creator: Mckesky, Walter W.
System: The Portal to Texas History
Aeroplane (open access)

Aeroplane

Patent for an aeroplane that is inexpensive and easily built, while preventing the aeroplane from going into a tailspin.
Date: December 13, 1921
Creator: {McGee, Dan}
System: The Portal to Texas History
Power-Hammer. (open access)

Power-Hammer.

Patent for a power hammer that can utilize any power source and only needs one person to operate it. The design also uses less parts, making it more affordable.
Date: December 13, 1921
Creator: Karlson, Eric Fritjof
System: The Portal to Texas History
Motor-Driven Surface-Treating Machine. (open access)

Motor-Driven Surface-Treating Machine.

Patent for a surface-treating machine propelled by a motor. The design is compact, economic, and more efficient than previous machines.
Date: September 13, 1921
Creator: Clarke, Alex A.
System: The Portal to Texas History
Plow (open access)

Plow

This patent focuses on a single-stock plow featuring an innovative attachment designed to enhance stability without requiring material structural changes. The attachment ensures improved steadiness during operation, providing an ease of use comparable to a turning plow
Date: December 13, 1921
Creator: Gage, Daniel W.
System: The Portal to Texas History
Valve-Cleaner. (open access)

Valve-Cleaner.

Patent for a valve cleaner to remove carbon from the internal combustion motors in automobiles. It can be used without removing the valve or motor.
Date: December 13, 1921
Creator: Henderson, Daniel D.
System: The Portal to Texas History
Gearing. (open access)

Gearing.

Patent for a speed transmission device that simply and efficiently changes the gears in an automobile especially at fluctuating speeds.
Date: September 13, 1921
Creator: Anderson, Bert
System: The Portal to Texas History
Railroad Crossing Signal. (open access)

Railroad Crossing Signal.

Patent for a railroad crossing signal. The device is created so that the highway signal can be automatically raised or lowered at the crossing by a passing train.
Date: December 13, 1921
Creator: Ridout, Horace J.
System: The Portal to Texas History
Process of Making Bearings (open access)

Process of Making Bearings

Patent for the process of making bearings, for improvement of bearings and the process of bearing formation on the interior of rotary members (or rotary cutters used on earth boring drills).
Date: December 13, 1921
Creator: Fletcher, Harold W.
System: The Portal to Texas History
Wheelwright-Machine. (open access)

Wheelwright-Machine.

Patent for a wheelwright machine for attaching tires to wheels that includes a sliding wrench.
Date: February 13, 1921
Creator: Gosett, Allen Davis
System: The Portal to Texas History
Elevator Controlling Device (open access)

Elevator Controlling Device

Patent for improvements to the elevator controlling device. These improvements have to do with the main circuit being broken while the elevator doors are open, thus stopping the elevator from moving before the doors are fully closed.
Date: September 13, 1921
Creator: Quick, Charles F.
System: The Portal to Texas History
Flour-Sifter. (open access)

Flour-Sifter.

Patent for a centrifugal flour sifter that removes pests, mold, and debris.
Date: September 13, 1921
Creator: Brewer, Johnson
System: The Portal to Texas History
Safety Medicine-Spoon (open access)

Safety Medicine-Spoon

Patent for a safety medicine spoon which can be carried over distance without spillage or loss of the contents held by the spoon, particularly aimed at helping medicate infants or weak patients without the potential for spillage. The design prioritizes easy cleansing and decontamination.
Date: September 13, 1921
Creator: Toler, Hubert
System: The Portal to Texas History