Resource Type

Automatic Gas Control for Gas Water-Heaters. (open access)

Automatic Gas Control for Gas Water-Heaters.

Patent for an automatic control for instantaneous water heaters to control a supply of water and simultaneously an automatic supply of gas to the heater.
Date: October 7, 1919
Creator: Hamilton, Paul H.
System: The Portal to Texas History
Machine for Buffing Inner Tubes and the Like. (open access)

Machine for Buffing Inner Tubes and the Like.

Patent for a more efficient and adjustable machine to buff inner tubes and other fabrics.
Date: October 21, 1919
Creator: Hibbs, Cassell D.
System: The Portal to Texas History
Well-Cleaner. (open access)

Well-Cleaner.

This invention relates to an improved well cleaner, and has for its principal object to provide a device of this kind adapted to be positioned in a well casing to direct a volume of air into the casing for cleaning the valves and straining elements thereof. A further object of the invention is to provide an automatic means for sealing the cleaner for holding the fluid within the well casing, against back pressure, during the cleaning operation. (Lines 8-19)
Date: October 18, 1919
Creator: Sargent, Lemuel H.
System: The Portal to Texas History
Center Rail for Key-Actions. (open access)

Center Rail for Key-Actions.

Patent for an easily adjustable, simple, and durable center rail for key actions in pianos which does not require chiseling holes.
Date: October 21, 1919
Creator: Swallow, Oscar L.
System: The Portal to Texas History
Plow (open access)

Plow

Patent for a modification of a plow that improves ease of use. Additionally the plow adds wings that allow plowing of soil at different angles.
Date: October 21, 1919
Creator: Richardson, William T.
System: The Portal to Texas History
Power-Jack. (open access)

Power-Jack.

Patent for improvements on the power-jack, which help bring liquids to the surface. Specifically designed "to provide a power mechanism for balancing the load or work at all points of the stroke." (lines 11-13), including illustrations.
Date: October 21, 1919
Creator: Dayton, William L.
System: The Portal to Texas History
Dehydrating Apparatus. (open access)

Dehydrating Apparatus.

Patent for an improved food dehydrating apparatus, in which the air pressure in bins of items being dehydrated can be regulated individually, including illustrations.
Date: October 28, 1919
Creator: Taylor, Clarence R.
System: The Portal to Texas History