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6 Matching Results
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Railway Tie Lifter
Patent for railway tie lifter. Illustration included.
Date:
December 3, 1907
Creator:
Norton, James W. & Collins, William
System:
The Portal to Texas History
Improvement in Cotton Scrapers, Choppers, and Dirters.
Patent for "an improved machine for cultivating cotton" (lines 15-16)including illustrations. The machine is used to "bar off, scrape, chop, and dirt the cotton upon both sides of a row at one passage." (lines 17-19)
Date:
December 2, 1879
Creator:
De Force, Samuel A. & McConnell, William V.
System:
The Portal to Texas History
Rotary Boring Drill
Patent for a rotary boring drill that shears off material in a circular manner while drilling holes.
Date:
December 19, 1916
Creator:
Hughes, Howard R.
System:
The Portal to Texas History
Differential Mechanism for Automobiles
Patent for improvements for differential mechanisms for automobiles, including a "means for transmitting power from the motor to the traction wheels of the machine".
Date:
October 19, 1915
Creator:
Maniscalco, Anthony S.
System:
The Portal to Texas History
Dredging Scraper.
Patent for a new and improved dredging-scraper. This design "has for its object the production of a marine plow which shall serve to raise and remove obstructions and accumulations from the beds or channels of rivers, bays, harbors, and other water-courses; and the invention consists in a device for this purpose of novel construction . . . The plow, which is to be drawn over the bed of the water-course to be cleared—as, for instance, by drag chain or cable attached to a steamboat—operates to raise a few inches in depth of the deposit each time it passes over the bed or bottom of the water-course" (lines 9-22).
Date:
December 10, 1889
Creator:
Coult, Joseph C.
System:
The Portal to Texas History
Cotton-Tramper
Patent for
Date:
December 14, 1915
Creator:
Murray, Russell
System:
The Portal to Texas History