COTTON CHOPPER (open access)

COTTON CHOPPER

Patent for a new type of cotton chopper that has the ability to be adjusted in the vertical to make for faster cotton cutting. This is a simpler design making it cheaper to make and easier to repair.
Date: April 23, 1914
Creator: Fultz, Deck B.
System: The Portal to Texas History
Improvements in Rail-Lubricators (open access)

Improvements in Rail-Lubricators

Patent for "a lubricating apparatus for use on street and other cars for lubricating the track when the car rounds a curve" (lines 8-11) including list of parts and illustrations.
Date: April 27, 1910
Creator: Freeman, Frank S. & Doke, Fred L.
System: The Portal to Texas History
Header. (open access)

Header.

Patent for "new and useful improvements in Headers," including illustrations.
Date: April 17, 1917
Creator: Pritchett, William V.
System: The Portal to Texas History
Railroad-Crossing. (open access)

Railroad-Crossing.

Patent for a railroad crossing that has tracks, which make less noise when it is crossed by a train than previous models.
Date: April 25, 1911
Creator: Blankinship, William Asbury & Copeland, William
System: The Portal to Texas History
Rotary Attachment (open access)

Rotary Attachment

Patent for an attachment for rotary well drilling machinery meant to "provide means for automatically gripping a pipe when being raised to prevent such pipe from slipping back while the lifting tools are being lowered for such lifting" (lines 13-17)
Date: April 13, 1915
Creator: Johnston, Horace G.
System: The Portal to Texas History