Necktie-Holder (open access)

Necktie-Holder

Patent for improvements to necktie-holders, particularly to prevent the neck-tie from sliding down toward the lower portion of the collar.
Date: April 21, 1921
Creator: Potter, Arthur C.
System: The Portal to Texas History
Orchard-Heat or Smudge-Pot (open access)

Orchard-Heat or Smudge-Pot

Patent for a new and useful improvement in orchard-heaters and smudge-pots to provide an improved drat flue and damper carried by a cap especially adapted for use in connection with heaters or crude oil smudge pots commonly used in various orchards during frosty weather. The invention aims to provide a draft flue and damper to withstand the most severe and erratic winds, the damper capable of being opened to suit any temperature, without impairing its efficiency in protecting the draft.
Date: October 18, 1921
Creator: Potter, Arthur C.
System: The Portal to Texas History
Dredge. (open access)

Dredge.

Patent for an excavating machine specifically designed for canal digging, that "is an improvement upon a patent granted to Charles S. Butterfield, March 13, 197 and numbered 1,219,371" (lines 10-13). This invention provides a means for firm and stable support of the excavating machine and allows the position of the machine to be easily changed as the work progresses.
Date: November 22, 1921
Creator: Evans, Marvin
System: The Portal to Texas History
Process of Increasing the Quality and Volume of Oil in Wells and Removing the Oil Therefrom. (open access)

Process of Increasing the Quality and Volume of Oil in Wells and Removing the Oil Therefrom.

Patent for a method for drawing a higher quality and grade of oil from a well through the combination with gas trapped in the well.
Date: May 9, 1922
Creator: Hallmark, Elmer C.
System: The Portal to Texas History