Automatic Water-Supply Regulator for Windmills (open access)

Automatic Water-Supply Regulator for Windmills

Patent for automatic water supply regulator to stop flow of water at the specified level. Additionally the wind mill will start when it hits a certain water level, creating an off an on cycle.
Date: November 6, 1917
Creator: Pressler, Walter F.
System: The Portal to Texas History
Emergency-Door for Safes. (open access)

Emergency-Door for Safes.

Patent for an emergency door for safes that provides an improved arrangement including a supplemental door which will automatically move to closed position when the main door is opened to its limit.
Date: October 16, 1917
Creator: Puhl, Max O.
System: The Portal to Texas History
Barrel-Stand. (open access)

Barrel-Stand.

Patent for a barrel-stand "designed to support a barrel or other like dispensing receptacle" (line 10) to be tilted for pouring and can be held in a tilted or other fixed position.
Date: July 10, 1917
Creator: Maier, Felix
System: The Portal to Texas History
Cotton-Press Follower-Board (open access)

Cotton-Press Follower-Board

Patent for cotton baling press that provides a detachable follow block.
Date: May 8, 1917
Creator: Wuensch, Hearman & Pfeil, Otto
System: The Portal to Texas History
Fly-Trap (open access)

Fly-Trap

Patent for Fly Trap
Date: March 27, 1917
Creator: Krueger, Samuel
System: The Portal to Texas History