Account-Book. (open access)

Account-Book.

Patent for a new and improved account book that is arranged to improve accuracy of record-keeping and facilitate the referencing of different accounts.
Date: June 13, 1916
Creator: Zimmerman, Charles Levy
System: The Portal to Texas History
Adjustable Spring Clamp (open access)

Adjustable Spring Clamp

Patent for an improved adjustable spring clamp design.
Date: May 13, 1919
Creator: Hillin, H. C.
System: The Portal to Texas History
Adjustable Support. (open access)

Adjustable Support.

Patent for adjustable props or supports used in concrete construction or scaffolding, including illustrations.
Date: June 18, 1918
Creator: Ware, Howard T.
System: The Portal to Texas History
Advertising Chair (open access)

Advertising Chair

Patent for a rocking chair for displaying advertisements. Illustrations included.
Date: May 24, 1910
Creator: Biehl, Antonio
System: The Portal to Texas History
Advertising Device. (open access)

Advertising Device.

Patent for an advertising machine that is motor-operated and will display a succession of slides that can be shown during the day or at night. It includes a light to help show slides to the public, a shutter that automatically and intermittently displays slides, a lens for projecting slides on a distant screen, and a master slide to be shown with each slide. The patent includes illustrations.
Date: August 5, 1913
Creator: Bernard, Oscar C.
System: The Portal to Texas History
Aerial Projectile and Launching Mechanism Therefor (open access)

Aerial Projectile and Launching Mechanism Therefor

This document is a patent for the invention of the Aerial Projectile and Launching Mechanism Therefor. According to its inventor Frank M. Bell, the object of this mechanism is to fire aerial projectiles or torpedoes more accurately at their intended target. This mechanism can be called an anti-observation balloon/zeppelin weapon and it would see some usage by the Allied air forces during this conflict.
Date: October 10, 1916
Creator: Bell, Frank M.
System: The Portal to Texas History
Aeroplane (open access)

Aeroplane

Patent for an airplane with improved steering capabilities and adjustments for atmospheric conditions.
Date: September 29, 1914
Creator: Canion, William G.
System: The Portal to Texas History
Air Heating and Regulating Means for Internal Combustion Engines (open access)

Air Heating and Regulating Means for Internal Combustion Engines

Patent for a type of air heater designed to be attached to an internal combustion engine for the purposes of regulating heat.
Date: February 18, 1919
Creator: Brooks, Howard
System: The Portal to Texas History
Aparatus for Cleaning Lechuguilla, Henequen, and Analogous Fibrous Plants. (open access)

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
Apparatus for Extracting Wax from Plants (open access)

Apparatus for Extracting Wax from Plants

Patent for "an apparatus for extracting wax from the candelilla plant and other species of plants of the class Myrica." (lines 9-12)
Date: March 14, 1911
Creator: Frank Thatcher, of El Paso, Texas
System: The Portal to Texas History
Apparatus for Molding Silos and the Like. (open access)

Apparatus for Molding Silos and the Like.

Patent for an apparatus of simple structure that allows for the easy adjustment and manipulation of parts. It is "used for molding silos and similar structures from concrete cement material" (lines 10-12).
Date: July 16, 1918
Creator: Atkins, Thomas B.
System: The Portal to Texas History
Apparatus for Separating or Concentrating Ores. (open access)

Apparatus for Separating or Concentrating Ores.

Patent for an improvement to hydraulic separators used in frothing classification to increase the recovery of larger mineral particles.
Date: October 21, 1919
Creator: Cole, David
System: The Portal to Texas History
Arch and Instep Support for Boots and Shoes (open access)

Arch and Instep Support for Boots and Shoes

Patent for a removable arch and instep support as part of a shoe or boot.
Date: November 14, 1916
Creator: Rokahr, Charles
System: The Portal to Texas History
Athletic Shoe (open access)

Athletic Shoe

Patent for improvements to athletic shoes for men, women, and children that improve the comfort of the shoe, support the anatomy of the foot, and prevent “falling arches and other foot ailments” (p. 1, lines 22-23).
Date: December 3, 1918
Creator: Rokahr, Charles
System: The Portal to Texas History
Automatic air-brake for railway-cars. (open access)

Automatic air-brake for railway-cars.

Patent for an improved design of automatic air brakes for use in railway cars.
Date: June 9, 1914
Creator: Canion, William G.
System: The Portal to Texas History
Automatic Air Device for Gas Engines. (open access)

Automatic Air Device for Gas Engines.

Patent for a removable automatic air device for delivering air to gas engines in proportion to the speed of the engine.
Date: April 3, 1917
Creator: Rivers, Charles A.
System: The Portal to Texas History
Automatic Car-Dump (open access)

Automatic Car-Dump

Patent for automatic dumpers that can be readily and inexpensively fitted and adapted to most forms of dump car.
Date: April 22, 1913
Creator: Putnam, John J.
System: The Portal to Texas History
Automatic Separating Device. (open access)

Automatic Separating Device.

Patent for an automatic separating device. This device operates with a link that connects the float level at the top of the tank with a valve handle at the bottom of the tank to control discharge from the tank.
Date: January 22, 1918
Creator: Allen, Charles
System: The Portal to Texas History
Automatic Stop and Adviser for Locomotives. (open access)

Automatic Stop and Adviser for Locomotives.

Patent for an automatic stop and advisor for locomotives.
Date: November 9, 1918
Creator: Battaglino, Joseph
System: The Portal to Texas History
Automatic Train Signal (open access)

Automatic Train Signal

Patent for new automatic train signal. It was invented to improve train signaling systems for automatic trains.
Date: November 19, 1918
Creator: Bulla, Melburn Bernie
System: The Portal to Texas History
Automatic Train-Stop. (open access)

Automatic Train-Stop.

Patent for mechanism to automatically sound alarm and shut off steam when a train passes a danger point.
Date: December 21, 1915
Creator: Bulla, Melbern Bernie
System: The Portal to Texas History
Automatic Train Stop (open access)

Automatic Train Stop

Patent for an automatic train stop. Used to simplify the construction where fewer magnets and changeable switches are necessary. To provide an automatic train control mechanism with a normally closed circuit, the breakage or disarrangement of any part that would ensure the stopping of the train.
Date: May 21, 1918
Creator: Bulla, Melbern B.
System: The Portal to Texas History
Automatic Train Stop (open access)

Automatic Train Stop

Patent for train signal to indicate it will stop.
Date: November 7, 1916
Creator: Bulla, Melbern B.
System: The Portal to Texas History
Automatic Train Stop (open access)

Automatic Train Stop

Patent for Automatic Train-stop
Date: November 7, 1916
Creator: Bulla, Melbern B.
System: The Portal to Texas History