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Valve-Gear for Steam-Engines.
Patent for improving the cut-off of steam-engines through a simple valve motion, including illustration.
Date:
July 30, 1850
Creator:
Milner, George B.
System:
The Portal to Texas History
Heel Attachment.
Patent for a new and improved heel attachment. This design consists in "[t]he shoe having the sole provided with the plate having the struck-up flange and U-plate, the flange and plate forming the groove, and the plate being further provided with the perforation, in combination with the heel provided at its upper end with the plate, supported slightly above the same and adapted to fit the groove and provided with a perforation aligning with the [former] perforation, and the screw inserted downwardly through the perforation and terminating in the heel" (lines 71-82).
Date:
July 30, 1889
Creator:
Grumbach, Charles
System:
The Portal to Texas History
Folding Paper Box.
Patent for a folding cardboard box with a lid made from one piece of cardboard.
Date:
July 30, 1907
Creator:
Rhodes, Albert May
System:
The Portal to Texas History
Crude Oil Burner
Patent for crude oil burner allowing for the utilization of "crude petroleum and other similar oils" (line 13) for fuel.
Date:
July 30, 1918
Creator:
Worley, Ernest T.
System:
The Portal to Texas History
Device for Controlling the Flow of Fluid from Wells
Patent for device controlling fluid flow from wells which allows for drawing off oil where oil and water are both present in a reservoir.
Date:
July 30, 1918
Creator:
Summerrow, Edward D.
System:
The Portal to Texas History