Counties
5 Matching Results
Results open in a new window/tab.
Results:
1 - 5 of
5
Check-Valve
Patent for a valve used for well drilling designed to be confine fluid around the pipe. Illustrations included.
Date:
September 28, 1909
Creator:
Kreiter, Richard F.
System:
The Portal to Texas History
Switch-Stand
Patent for a switch stand with a switch that moves horizontally for the purpose of affording the operator greater and easier control over the switch. Illustrations included.
Date:
September 28, 1909
Creator:
Farrell, John T.
System:
The Portal to Texas History
Dry Separator
Patent for a separator for mills designed to separate valuable material from extraneous material. Illustrations included.
Date:
September 28, 1909
Creator:
Snowden, Rene Ravenel
System:
The Portal to Texas History
Self-Cleaning Tank
Patent for a self cleaning water tank.
Date:
September 14, 1909
Creator:
Vogler, Charles H.
System:
The Portal to Texas History
Cross-Head
Patent for a cross-head for piston pumps which helps prevent breakage of the other pump parts.
Date:
September 14, 1909
Creator:
Dubuque, Arthur
System:
The Portal to Texas History