Combined Smoke-Consumer and Vaporizer. (open access)

Combined Smoke-Consumer and Vaporizer.

Patent for a combined smoke-consumer and vaporizer that increases fuel efficiency in furnaces.
Date: January 9, 1912
Creator: Davis, Othman
System: The Portal to Texas History
Carbid-Feed Valve (open access)

Carbid-Feed Valve

Patent for carbid-feed valve for acetylene generators whose improved form allows for balanced feeding whether closed or open.
Date: January 14, 1913
Creator: Ballard, John S.
System: The Portal to Texas History
Wagon Tongue Support (open access)

Wagon Tongue Support

Patent for improvements to wagon tongue supports. "Spring supporting device which can be quickly and easily moved into position to support the tongue or move out of position to permit the tongue to be lowered to the ground." (15-19)
Date: January 11, 1916
Creator: Cole, William J.
System: The Portal to Texas History
Stalk-Chopper. (open access)

Stalk-Chopper.

Patent for stalk-choppers related to the type employed by "superimposed horizontal cutters" (lines 13-14) including an illustration and description.
Date: January 6, 1914
Creator: Scott, Oscar Franklin
System: The Portal to Texas History