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Electric Water Heater
Patent for improvements to electric water heaters adapted for heating small bodies of water. The interior walls of the cylinders in the heating unit are perforated so that water can freely circulate through and between them.
Date:
February 7, 1922
Creator:
Stephens, Richard M.
System:
The Portal to Texas History
Counterbalancing and Adjustable Sash for Windows.
Patent for window sashes made of two separate sections, one for the upper portion and the other for the lower portion of a window. Each sash section can be operated independently from the other by mechanisms on the right and left side of the window.
Date:
February 7, 1922
Creator:
Peaden, William H.
System:
The Portal to Texas History
Stalk-Cutter Attachment.
Patent for a planter attachment. It allows quick attachment of a stalk cutter that would let a planter serve two purposes.
Date:
February 7, 1922
Creator:
Haynes, Jack M.
System:
The Portal to Texas History
Manufacture of Aluminum Chloride.
Patent for improvements of manufacture of aluminum chloride, comprising "a method of utilizing certain oily residues which are the result of treatment of oils with aluminum chloride or with substances capable of forming aluminum chloride" (lines 11-14), including illustrations.
Date:
February 7, 1922
Creator:
McAfee, Almer M.
System:
The Portal to Texas History
Surface-Treating Machine
Patent for useful improvements to surface-treating machines with a "rapidly moving surface treating member," (lines 12-13) including illustrations.
Date:
February 7, 1920
Creator:
Clarke, Alex A.
System:
The Portal to Texas History
Fish-Catching Device
Patent for an improvement in fish-catching devices which provides a bait-holding device in a horizontal position and the ability to completely conceal the fish-catching device within the bait, including illustrations.
Date:
February 7, 1922
Creator:
Riza, George P.
System:
The Portal to Texas History
Monolithic Wall.
Patent for concrete wall construction which is light in weight and inexpensive to fabricate. Frames may be previously constructed in a manner to allow for windows and other common wall features.
Date:
February 7, 1922
Creator:
Graham, Malcolm J
System:
The Portal to Texas History
Direction Signal for Automobiles.
Patent for lit directional signal for automobiles that indicates driver's intention to stop or to turn left or right, including illustrations.
Date:
February 7, 1922
Creator:
Womack, Foster B.
System:
The Portal to Texas History
Fuel Vaporizer for Carburetors.
Patent for "an improvement in fuel heaters or vaporizers for use with carburetors for hydrocarbon fuel engines" (lines 9-12). The device "can therefore utilize those hydrocarbons of specific gravity much higher than gasoline, as fuel for internal combustion engines, with safety and with more economy than has heretofore been deemed possible." (lines 106-111).
Date:
February 7, 1922
Creator:
Smith, Maurice O.
System:
The Portal to Texas History