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Center-Gage and Micrometer (open access)

Center-Gage and Micrometer

Patent for improvements to a center gage and inside micrometer to "provide central support for dividers" (lines 15-16) including illustrations.
Date: January 11, 1921
Creator: Snell, Charles
System: The Portal to Texas History
Boring-Tool. (open access)

Boring-Tool.

Patent for "a boring tool for boring scarred and worn engine cylinders" (lines 14-15) that allows for more customization when cutting.
Date: January 4, 1921
Creator: Adams, George Reese.
System: The Portal to Texas History
Canning Apparatus. (open access)

Canning Apparatus.

Patent for an apparatus adapted for use in canning operations for steaming and cooking fruit, vegetables, and the like, in the cans.
Date: January 8, 1918
Creator: Mueller, William
System: The Portal to Texas History
Air Intake Device. (open access)

Air Intake Device.

Patent for an air intake device for automobiles and other internal combustion engines. Provides novel and improved heated air supply for carburetors during cold weather. Adjustable to admit unheated air in various proportions according to the air temperature and weather.
Date: January 29, 1918
Creator: Hornburg, C.A.
System: The Portal to Texas History
Aerocompass. (open access)

Aerocompass.

Patent for an aerocompass, which improves upon a compass combined with inclinometers or map-boards. It is intended for use on submarines, airplanes, or in an area when it would be difficult to use a regular compass.
Date: January 8, 1918
Creator: Fischer, Fred Charlie.
System: The Portal to Texas History
Blackboard-Cleaner. (open access)

Blackboard-Cleaner.

Patent for a blackboard cleaner that incorporates a "water reservoir having manually controlled means for communicating the water of the reservoir to the rubbing element of the cleaner" (lines 13-17) including an illustration. The rubbing element was also made to be easily removed for replacement or cleaning.
Date: January 29, 1918
Creator: Satrum, Gilbert G.
System: The Portal to Texas History
Combined Gun and Knife. (open access)

Combined Gun and Knife.

Patent for a firearm that has a permanently-attached retractable bayonet.
Date: January 7, 1919
Creator: Tomanek, Josef
System: The Portal to Texas History
Basin-Protector (open access)

Basin-Protector

Patent for a flexible basin lining that improves sanitation in areas where washrooms are often-used and rarely cleaned.
Date: January 23, 1917
Creator: Van Dunker, Charles L.
System: The Portal to Texas History
Fence Stay Machine (open access)

Fence Stay Machine

Patent for a machine coils the wire around the fence stay within one device.
Date: January 7, 1919
Creator: Lewis Alverson
System: The Portal to Texas History
Automatic Firing Device for Explosive Shells. (open access)

Automatic Firing Device for Explosive Shells.

Patent for automatic firing device where "an explosive shell may be caused to travel any distance within the range of the shell through the air without exploding" (lines 14-17).
Date: January 7, 1919
Creator: McCombs, Orville K.
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
Activated-Sludge Treatment. (open access)

Activated-Sludge Treatment.

Patent for a method that dehydrates sewage for easier removal.
Date: January 29, 1918
Creator: Moor, William C.
System: The Portal to Texas History
Utilization of Acid-Coke (open access)

Utilization of Acid-Coke

Patent for the utilization sulfuric acid in the creation and uses of acid-coke.
Date: January 7, 1919
Creator: George L. Pichard
System: The Portal to Texas History
Blow-Out Shoe. (open access)

Blow-Out Shoe.

Patent for a new blow-out shoe for pneumatic tires which uses a pliable fastening instead of metallic connections or laces.
Date: January 4, 1921
Creator: Moore, Lee, R.
System: The Portal to Texas History
Attachment for Adding Machine (open access)

Attachment for Adding Machine

Patent for new and useful improvements in attachments for adding machines which both add and list the sums accumulated by the adding machine.
Date: January 7, 1919
Creator: Walker, Jack L.
System: The Portal to Texas History
Antifreezing Appliance for Water-Pipes. (open access)

Antifreezing Appliance for Water-Pipes.

Patent for anti-freezing appliance for water supply and drain pipes of residences and buildings. The object is provide a device connected with the main and service lines of a hours supply water system for the purpose of avoiding interfering with the operation of the service.
Date: January 20, 1920
Creator: Davis, Thomas A.
System: The Portal to Texas History
Carbureter (open access)

Carbureter

Patent for the carbureter for controlling the quality of the combustible mixture for internal combustion engines, such as automobiles requiring a wide range of variation in the proportion of fuel and air to efficiently and economically supply the demand.
Date: January 13, 1920
Creator: Guthrie, William S.
System: The Portal to Texas History
Combination-Flue. (open access)

Combination-Flue.

Patent for the improvement of combination flue to be more inexpensive and for the parts to be more readily assembled and properly supported.
Date: January 20, 1920
Creator: Carl, Reinhold Adolph
System: The Portal to Texas History
Cooler. (open access)

Cooler.

Patent for an "iceless cooler" (line 13) with key features such as low manufacturing cost, easy assembly, and the capability to be collapsed for compact storage when not in use, including illustrations.
Date: January 26, 1918
Creator: Chapman, T. M.
System: The Portal to Texas History
Acetylene-Gas Generator. (open access)

Acetylene-Gas Generator.

Patent for an acetylene gas generator that automatically feeds carbide into the water tank and cleans the feed valve.
Date: January 21, 1919
Creator: Furr, Oscar M.
System: The Portal to Texas History
Apparatus for Heating and Ripening Honey. (open access)

Apparatus for Heating and Ripening Honey.

Patent for a device that quickly heats and ripens honey, employing a hot water tank containing a pipe coil through which the honey is poured and strained upon exit.
Date: January 6, 1920
Creator: Mitchell, Henry A.
System: The Portal to Texas History
Automobile-Tire. (open access)

Automobile-Tire.

Patent for a device that provides a cushion to spring wheels.
Date: January 1, 1918
Creator: Dalwigk, Hermann
System: The Portal to Texas History
Gasolene-Measuring Device. (open access)

Gasolene-Measuring Device.

Patent for gasoline measuring device for improving service stations for patrons to see the amount of gasoline. Air pressure will transfer gasoline from tank into measuring device. Gasoline measuring device will be quickly delivered to patrons.
Date: January 25, 1921
Creator: McKallip, Jonathan C.
System: The Portal to Texas History
Wrench (open access)

Wrench

Patent for a tool to enable its user to turn certain objects, such as nuts and bolts, efficiently.
Date: January 9, 1917
Creator: Bonelli, Liborio C.
System: The Portal to Texas History