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Apparatus for Scouring Water-Ways.

Description: Patent for an improved apparatus for scouring water-ways by using water-discharge pipes and air-discharge pipes arranged at each side of the vessel. When “vessel is slowly moved forward while the water and air forcing pumps are working,..... direct force of the water-jets and air-jets will agitate and scatter and lift the dislodged particles and float them much higher and longer than would be the case were the water-jet pipes alone used.” (Lines 63-75) Illustration is included.
Date: March 31, 1891
Creator: Holden, Elbridge G.
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Partner: UNT Libraries Government Documents Department

Improvement in Ditching-Machines.

Description: Patent for an improved ditching machine design that will "easily and rapidly cut or excavate, on the surface of the ground, soil, clay, or soft stone, a ditch or trench of any reasonable width or depth suitable" (lines 33-37) including instructions and illustrations.
Date: January 1, 1878
Creator: Austin, Matthew J.
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Partner: UNT Libraries Government Documents Department

Improvement in Road-Scrapers.

Description: Patent for a new improvement in the construction of road-scrapers to make them more facilitating, faster, and with less animal power required.
Date: January 27, 1874
Creator: Tate, Thomas M.
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Partner: UNT Libraries Government Documents Department

Hydraulic Dredging-Machine.

Description: Patent for "an improved device for the excavation of material from the bottoms and sides of channels or other water ways; and has for its object to provide a novel machine of the type indicated, which will afford means to rapidly loosen earth or gravel below the surface of a water course, mix it with water, and subsequently transfer and discharge the débris upon the shore of the stream or within a floating receptacle, as may be desired" (lines 8-18).
Date: June 6, 1893
Creator: Robbins, John M.
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Partner: UNT Libraries Government Documents Department

Sulky-Plow.

Description: Patent for an improved, simple, and durable sulky-plow that "may be shifted laterally by the driver during the act of plowing whenever such action is deemed advisable, thereby changing the cut whenever occasion may demand" (lines 10-14). The plow can attach to any type of wheeled plow.
Date: June 20, 1893
Creator: Willmann, Joseph
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Partner: UNT Libraries Government Documents Department

Excavator.

Description: Patent for an excavator that quickly and without much effort shifts dirt and "can be readily and easily employed for such purposes as building embankments or levees or for excavating extensive or large areas" (lines 19-22).
Date: May 8, 1894
Creator: Oie, John
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Partner: UNT Libraries Government Documents Department

Railway-Ditching Machine.

Description: Patent for railway-ditching machines used "to facilitate the opening of railway ditches and the removal of dirt" (lines 41-42) including illustrations.
Date: September 12, 1882
Creator: Grove, David E.
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Partner: UNT Libraries Government Documents Department

Dredging Scraper.

Description: 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 ra… more
Date: December 10, 1889
Creator: Coult, Joseph C.
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Partner: UNT Libraries Government Documents Department

Digging-Machine.

Description: Patent for an improved, simple, effective, and durable excavator meant to remove sand-bars. It consists of a hollow drum that is drug across the sandbar, and it picks up sand with shovels on the drum.
Date: November 21, 1893
Creator: Bentinck, Eliza J. & Renner, Julia A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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