Pneumatic Conveyer (open access)

Pneumatic Conveyer

Patent for pneumatic conveyor to handle cotton seeds that are being discharged. This particular conveyor uses air currents to operate it.
Date: November 6, 1917
Creator: Caffey, Charles B.
System: The Portal to Texas History
Improvement in Cotton-Presses. (open access)

Improvement in Cotton-Presses.

Patent for "cotton-presses of the upright kind; and the nature thereof consists in combining, with a pulley-wheel keyed upon the shaft of a gear-wheel actuating the follower-screw, and a larger pulley-wheel keyed upon the shaft of a gear-wheel actuating a cog-wheel upon the end of an actuating-shaft, having its bearings at one end in the press-frame, and at the other in a vibrating lever, whereby the said friction-pulley can be brought to bear against the larger pulley, for the purpose of running up the follower, or against the small pulley for the purpose of running it down, by drawing the said level inward or outward." (Lines 15-30) Includes instructions and illustrations.
Date: April 6, 1875
Creator: Knowles, William W.
System: The Portal to Texas History
Dish-Washer (open access)

Dish-Washer

Patent fora dishwasher. The object of this invention is to furnish an improved means for washing dishes in such a manner that all foreign substances, greasy matters, and offensive odors may be readily and expeditiously removed and the dishes restored dry and clean by the operation of the machine without handling them.
Date: January 14, 1891
Creator: Hoppe, Frederick William
System: The Portal to Texas History