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Acetylene-Gas Generator. (open access)

Acetylene-Gas Generator.

Patent for "an improved apparatus for generating acetylene gas" (lines 12-13). The apparatus includes a carbid receptacle with a conical bottom and a cylindrical valve for better control of the carbid, as well as a gas tank with a gasometer-bell which operates the system.
Date: December 3, 1918
Creator: Lay, Claud
System: The Portal to Texas History
Adding Machine. (open access)

Adding Machine.

Patent for a new and improved adding machine using rotating discs.
Date: December 8, 1914
Creator: Druschke, Julius C.
System: The Portal to Texas History
Adjustable Cultivator-Plow Standard. (open access)

Adjustable Cultivator-Plow Standard.

Patent for an adjustable cultivator plow that is designed to be strong and durable as well as efficient and simple.
Date: December 15, 1914
Creator: Wright, James B.
System: The Portal to Texas History
Adjustable Split Lock-Nut or Union (open access)

Adjustable Split Lock-Nut or Union

Patent for an adjustable split cock-nut or union that is of a simple, cheap, and efficient construction with an intended use on valve rods of internal combustion engines. This device is designed to withstand direct pressure, blows, and torque forces.
Date: December 2, 1919
Creator: Dickinson, Harry E.
System: The Portal to Texas History
Adjustable Window-Shade (open access)

Adjustable Window-Shade

Patent for an adjustable window-shade that is more useful and can be "raised and lowered in its entirety" (lines 10-11) including instructions and illustration.
Date: December 5, 1916
Creator: Hayes, George Daniel
System: The Portal to Texas History
Adjustable Window Shade and Curtain Hanger. (open access)

Adjustable Window Shade and Curtain Hanger.

Patent for an adjustable window shade frame that can be mounted on an existing window to allow curtains or shades to be adjusted from the top or the bottom, and secured at any desired level for privacy and/or ventilation.
Date: December 31, 1918
Creator: Edens, Myrtle J.
System: The Portal to Texas History
Aeroplane (open access)

Aeroplane

Patent for an aeroplane which has its equilibrium maintained by the operator through levers that bring the plane up or down.
Date: December 6, 1910
Creator: McManus, Augustus F. W.
System: The Portal to Texas History
Aeroplane (open access)

Aeroplane

Patent for an aeroplane that will maintain its balance in the air automatically
Date: December 5, 1911
Creator: McManus, Augustus F. W.
System: The Portal to Texas History
Aeroplane. (open access)

Aeroplane.

Patent for an aeroplane which is a device that is able to travel through the air due its shape and the reaction from atmosphere and gravity.
Date: December 16, 1913
Creator: Hanna, John G.
System: The Portal to Texas History
Agricultural Implement. (open access)

Agricultural Implement.

Patent for a planter attachment that is readily controllable by the operator so as to allow rows or spots in the ground to be replanted. This is accomplished by controlling the flow of seeds from a seed box to a spout and by controlling the distance of the spout from the ground.
Date: December 17, 1918
Creator: Nettles, James P.
System: The Portal to Texas History
Agricultural Machine. (open access)

Agricultural Machine.

Patent for an agricultural machine, a frame structure that can hold multiple types of agricultural devices and allows for the proper adjustment and manipulation of said devices without changing the frame's structure.
Date: December 30, 1919
Creator: Northcutt, John & Crawford, Miner
System: The Portal to Texas History
Air-Brake System (open access)

Air-Brake System

Patent for an air brake system for trains which does not require waiting between uses for the brakes to recharge with air.
Date: December 6, 1910
Creator: Dillander, John
System: The Portal to Texas History
Aircraft Propelling and Manipulating (open access)

Aircraft Propelling and Manipulating

Patent for air craft propelling systems for improvements in control of the aircraft by way of a "universal connection" (Lines 13-14) which makes for easier manipulation of the craft and aids in the prevention of air disasters.
Date: December 23, 1919
Creator: Schelb, Peter J.
System: The Portal to Texas History
Animal-Trap (open access)

Animal-Trap

Patent for an animal trap with a new kind of trigger fir closing the door to the trap.
Date: December 13, 1910
Creator: Hatchell, Benjamin
System: The Portal to Texas History
Ant-Trap. (open access)

Ant-Trap.

Patent for ant traps that has a body portion with upper and lower inlet chambers. The trap is connected with the upper inlet chamber by a passage-way through which the ants may pass.
Date: December 19, 1911
Creator: Seifert, Adolf R. R. & Campbell, Bertha
System: The Portal to Texas History
Apparatus for Curing Tire Casings. (open access)

Apparatus for Curing Tire Casings.

Patent for a more efficient system for curing tire casings. The new patented apparatus was capable of providing both smooth and ribbed tire textures by way of aluminum tips and molds. Additionally, the apparatus provided retreading and faster curing of pneumatic tires.
Date: December 2, 1919
Creator: Bongio, Philip P. & Stephenson, Elonzo
System: The Portal to Texas History
Apparatus for Delivering and Hauling Seines (open access)

Apparatus for Delivering and Hauling Seines

Patent for an apparatus for delivering and hauling seines that can be used in deeper water and is safer than the ordinary method of using seines.
Date: December 12, 1911
Creator: Duffy, John J.
System: The Portal to Texas History
Apparatus For Forming And Vulcanizing Rubberized Fabric And Rubber Tires. (open access)

Apparatus For Forming And Vulcanizing Rubberized Fabric And Rubber Tires.

Patent for an apparatus for "forming and vulcanizing rubberized fabric and rubber tires for use on vehicle and other wheels &c., &c.” (lines 13-16) including instructions and illustrations.
Date: December 8, 1914
Creator: Dees, Mark A.
System: The Portal to Texas History
Apparatus for Separating and Cleaning Hulls and Trash from Seed Cotton. (open access)

Apparatus for Separating and Cleaning Hulls and Trash from Seed Cotton.

Patent for a machine for separating and cleaning hulls and trash from seed cotton. It is intended to be used in conjunction with a boll threshing machine.
Date: December 10, 1918
Creator: Cass, Thomas M.
System: The Portal to Texas History
Apparatus for Sulfur Mining (open access)

Apparatus for Sulfur Mining

Patent for "new and useful improvement" for sulfur mining by Mr. Robert Carmichael. This device has particular application for mining in subterranean environments, "by use of pumping a heated fluid down into contact with a sulfur strata" (lines 14-15).
Date: December 9, 1919
Creator: Carmichael, Robert E.
System: The Portal to Texas History
Armored Car. (open access)

Armored Car.

Patent for an armored car or portable fort, that aims to provide a novel and improved armor unit of that nature.
Date: December 11, 1917
Creator: Spence, John J.
System: The Portal to Texas History
Artificial Hand-Grip. (open access)

Artificial Hand-Grip.

Patent for an improvement to artificial hand-grips that includes a pair of jaws that attaches to an artificial arm and allows wearers to perform various activities.
Date: December 31, 1918
Creator: Corley, Quentin D.
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
Attachment for Automobile Headlights (open access)

Attachment for Automobile Headlights

Patent for an automobile headlight attachment capable of horizontal rotation.
Date: December 2, 1919
Creator: Tripp, J. C.
System: The Portal to Texas History