UNT Libraries Government Documents Department - 5 Matching Results

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Dredging Machine.

Description: Patent for a new and improved dredging machine. This design consists in "[t]he combination, with a boat or the like, provided with depending hangers at its bow and stern, of the shaft journaled in said hangers, and provided with a spiral screw extending throughout its length" (lines 88-92). It is "for removing sand-bars and similar obstructions in the beds of harbors or in streams by loosening the sand or the like, so that it will be suspended in the water and carried off by the natural or crea… more
Date: May 10, 1887
Creator: Crockett, John Richardson
Item Type: Refine your search to only Patent

Corn-Planter.

Description: Patent for improvement of corn-planters, with illustrations. The purpose of this corn-planters patent was to improve existing corn-planters through, "peculiar construction and combination of devices, that will be more fully set forth hereinafter, and particularly pointed out in the claims" (lines 9-12).
Date: October 18, 1887
Creator: Koepke, William. Wm. Koepke.
Item Type: Refine your search to only Patent

Cotton Chopper.

Description: Patent for a new and improved cotton chopper. This design consists "[i]n a cotton-chopper, the combination, with a bent axle, wheels on the same, a swiveled bearing on the said axle, a chopping-hoe having its standard fitted in said bearing, and a triangular frame secured to the axle, of a forked operating-lever pivoted to the triangular frame, a collar on the standard of the hoe, and links connecting the collar to the ends of the arms of the said operating-lever" (lines 15-23).
Date: June 14, 1887
Creator: Sacks, Heinrich Wilhelm
Item Type: Refine your search to only Patent
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