Vacuum-Pan (open access)

Vacuum-Pan

Patent for "vacuum-pan having improved heating-sections and an improved form of discharge-chamber" [lines 9-11].
Date: April 8, 1902
Creator: Ribaud, George Louis
System: The Portal to Texas History
Mechanical Movement. (open access)

Mechanical Movement.

Patent for improvements in mechanical movements by using cranks and wrist pins to “converting rotary motion, like that of a wheel or pulley, into reciprocating motion.” (Lines 12-14) Illustration is included.
Date: April 8, 1902
Creator: McKean, Frank
System: The Portal to Texas History
Tongue-Scraper. (open access)

Tongue-Scraper.

Patent for improvements in tongue-scrapers in which it will “not only used for scraping the coating from the tongue, but also for removing the small particles from the papillae which remain after the scraping operation.” (Lines 13-16) Illustration is included.
Date: April 8, 1902
Creator: Hagerty, Ida
System: The Portal to Texas History
Proportionate Scale. (open access)

Proportionate Scale.

Patent for improvements in scales which would quickly and accurately determine the proportion of the lint contained in seed-cotton. Illustration is included.
Date: April 8, 1902
Creator: Brown, George Raymond
System: The Portal to Texas History
Well-Tube (open access)

Well-Tube

Patent for a well tube.
Date: April 8, 1903
Creator: Fox, Edward P.
System: The Portal to Texas History
Fire-Escape. (open access)

Fire-Escape.

Patent for improvements in fire-escapes by enabling the fire-escapes, “when not in use, to be compactly folded and arranged within a house or other building and capable of being quickly placed in position for use and of enabling persons and goods to be rapidly lowered to the ground with perfect safety.” (Lines 14-19) Illustration is included.
Date: April 8, 1902
Creator: Boettcher, Hermann
System: The Portal to Texas History
Farm-Gate. (open access)

Farm-Gate.

Patent for improvements in farm gates in which the gate “is mounted in a simple manner that is capable of being strained up, so that it will always swing through one quadrant and being able to operate from a distance.” (Lines 40-44) Illustration is included.
Date: April 8, 1902
Creator: Clark, George R.
System: The Portal to Texas History