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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
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
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
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
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
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
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
Parcel Carrier (open access)

Parcel Carrier

Patent for improvements in parcel carrier for automobiles.
Date: September 13, 1921
Creator: Campbell, William L.; Straughan, Augustus E.; Commons, A. J.; Weisman, S. & Winton, E. H.
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
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
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
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
Advertising Attachment for Scales. (open access)

Advertising Attachment for Scales.

Patent for improvements in advertising attachments for scales to "provide an attachment of the character specified, wherein a series of display members are provided, mounted to be moved into different positions, to bring different matter into different positions, and controlled to movement by the stepping onto the weighing platform of the one to be weighed." (lines 11-18)
Date: July 13, 1920
Creator: Funk, Arthur Neal
System: The Portal to Texas History
Calendar (open access)

Calendar

Patent for a calendar that has the ability to preserve pages of interest for future reference.
Date: July 13, 1920
Creator: Pennington, Emory G.
System: The Portal to Texas History
Coal-Oil Generator. (open access)

Coal-Oil Generator.

Patent for improvements in oil burners to have the "means to permit the same to be positioned within the fire box of a stove, by means of the especially constructed support." (lines 12-15)
Date: July 13, 1920
Creator: Epps, Henry Gaston
System: The Portal to Texas History
Knife. (open access)

Knife.

Patent for a knife with multiple curved blades used to cut food.
Date: July 13, 1920
Creator: Oertli, Henri
System: The Portal to Texas History
Method and Apparatus for Coating Pipes, Bars, Angles, and the Like. (open access)

Method and Apparatus for Coating Pipes, Bars, Angles, and the Like.

Patent for improved method of coating pipes, bars, angles, etc., by applying centrifugal force to the item after being immersed in a coating bath.
Date: July 13, 1920
Creator: Watrous, Edward L.
System: The Portal to Texas History
Pneumatic Tire. (open access)

Pneumatic Tire.

Patent for improvements in pneumatic tire that gives a novel means to repairing a worn casing, a blow out, or a rim cut.
Date: July 13, 1920
Creator: Church, Shelby L.
System: The Portal to Texas History
Power-Transmitting Mechanism. (open access)

Power-Transmitting Mechanism.

Patent for improvements in a power transmitting mechanism that is "designed for the purpose of connecting a driving or power shaft with a driven shaft, whereby the driven shaft is continuously rotated from the driving shaft." (lines 11-14)
Date: July 13, 1920
Creator: Smith, Robert W. J.
System: The Portal to Texas History
Process of Producing Prints on Metal. (open access)

Process of Producing Prints on Metal.

Patent for a new way to print negatives directly on sensitized metal by dying the print, removing the dye stains, burnishing the "high lights," polishing the dye print and finally lacquering in order to make permanent. This gives the image a bas-relief effect.
Date: July 13, 1920
Creator: Snow, Philo V.
System: The Portal to Texas History
Screen Pickup-Roller. (open access)

Screen Pickup-Roller.

Patent for improvements for condensing things such as lint and hair and removing them from "the screen cylinder of the apparatus by a screen pickup roller." (lines 13-15)
Date: July 13, 1920
Creator: Martin, George W.
System: The Portal to Texas History
Sling-Shot. (open access)

Sling-Shot.

Patent for a sling shot that is more durable, efficient, and less likely to break. Includes instructions and one illustration.
Date: July 13, 1920
Creator: Jones, Ralph L.
System: The Portal to Texas History
Surgical Splint. (open access)

Surgical Splint.

Patent for a surgical splint specifically for the substitution of erectile tissue of the corpora cavernous of the genital organ to promote fecundation even in the absence of an erection.
Date: July 13, 1920
Creator: Renois, John J.
System: The Portal to Texas History