6 Matching Results

Search Results

Pipe-Tongs.

Description: Patent for improvement upon the use of chain tongs. The invention "permits the application of a very strong rotative force" (lines 11-12), "produce rotation of a pipe in either direction" (lines 17-18), and "provides a chain tong which will not crush the pipe..." (lines 22-23).
Date: May 12, 1914
Creator: McLeod, Rueben A.
Partner: UNT Libraries Government Documents Department

Steam-Boiler Indicator.

Description: Patent for an improvement in steam boiler indicators to alert when the water has dropped below a specified threshold, including instructions and illustrations.
Date: April 28, 1914
Creator: Marrs, Vollie B.
Partner: UNT Libraries Government Documents Department

Packer for Silos.

Description: Patent for a new packer for silos, "...which may be assembled with any silo of standard construction, to carry out the packing operation" (lines 13-15) including illustrations.
Date: July 21, 1914
Creator: Westbrook, John Albert
Partner: UNT Libraries Government Documents Department
Back to Top of Screen