Tube-Expander (open access)

Tube-Expander

Patent for a tube expander for setting boiler tubes in the holes in the tube-sheet, which provides simplicity and improvement of its construction.
Date: June 17, 1919
Creator: Walsh, Emmet
System: The Portal to Texas History
Well-Boring Machine. (open access)

Well-Boring Machine.

Patent for improved mechanism of well-boring machine in which it “composed of as few parts as possible, which will effectively grip and rotate a drill-rod or pipe containing coupling and reducing - nipples, or composed of length or sections of varying diameters without impeding the end movement or deranging the central position of said drill-rod or pipe, and without delaying the progress of the machine, to adjust or change any part or parts thereof, also to improve the means for gripping the drill-rod or pipe and to eliminate the tendency to split or longitudinally furrow the latter, which would render the same liable to open and twist off when subject to high pressure during the progress of boring.” (Lines 20-34) Illustration is included.
Date: June 17, 1902
Creator: Woods, Frank J.
System: The Portal to Texas History
Improvement in Bag-Fasteners. (open access)

Improvement in Bag-Fasteners.

Patent for "a new and useful improvement in the manner of fastening bags and attaching labels or shipping directions" (lines 4-7) including illustrations.
Date: June 17, 1879
Creator: Terrell, Will
System: The Portal to Texas History
Hoeing-Machine (open access)

Hoeing-Machine

Patent for improvements to hoeing machines "as will cause the hoes to cultivate around the particular plant pointed out without it being necessary for the indicator to remain at rest while each plant is being hoed; second, to provide a pair of oscillating disks that cultivate before and behind the plant as they oscillate across the row" (lines 15-21).
Date: June 17, 1890
Creator: Hurd, Judson B.
System: The Portal to Texas History