UNT Libraries Government Documents Department - 15 Matching Results

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Compressor.

Description: Patent for a refrigerating machine compressor, which compresses more gas, cools the compressor with the incoming gas, and uses excess heat to dry the gas coming in.
Date: April 19, 1910
Creator: Mayhew, John Daugherty
Item Type: Refine your search to only Patent

Cotton-Cleaner.

Description: Patent for a machine "for the purpose of cleaning the cotton before it is ginned, and thus free it from foreign substances and produce a better grade of cotton than that which is ginned without being previously cleaned" (lines 15-19).
Date: April 28, 1885
Creator: Tucker, Stephen
Item Type: Refine your search to only Patent

Crate.

Description: Patent for "a crate for packing and transporting bottles of such material and such form of construction as will present a minimum liability to breakage of the contents." (Lines 9-13) Includes instructions and illustrations.
Date: April 7, 1896
Creator: Riviere, Richard Andrew
Item Type: Refine your search to only Patent

Device for Cutting Boiler Tubes.

Description: Patent for a new device for cutting boiler-tubes. This design "is to be adjusted a distance from the head sufficiently in excess of the thickness of the tube sheet to prevent injury to the latter. The device is then inserted into the end of the tube, with the head abutting against the outside of the tube-sheet. By turning the screw the wedges may then be drawn toward each other, thus forcing the block carrying the cutter outward. The device is now to be turned by the shank alternately with feed… more
Date: April 18, 1882
Creator: Franklin, James Johnson
Item Type: Refine your search to only Patent

Hand Propelling Device for Sewing Machines.

Description: Patent for a new and improved crank for sewing machines. This design "is to provide propelling device for sewing-machines and similar treadle-power machines which shall dispense with the treadle-action and injurious strain which its use imposes . . . It consists in a rod jointed to the fly-wheel after the manner of a pitman, but which, instead of connecting with a treadle, is fashioned into a handle, which extends obliquely upward toward the operator, and is combined with and held in place by a… more
Date: April 10, 1888
Creator: Beaird, Kate Palmer
Item Type: Refine your search to only Patent

Improvement in Collars.

Description: Patent for a device improving the speed and efficiency of shirt collar fastening, as well as the securing of items such as scarves and ties, including illustrations.
Date: April 6, 1876
Creator: Mitchell, Frank G. & Saunders, William J.
Item Type: Refine your search to only Patent

Lubricant

Description: Patent for a lubricant which consists "of a gelatinous and fibrous material" (lines 14-15), containing description of creation and uses.
Date: April 6, 1886
Creator: Marshall, Edward S. & Savage, Robert W.
Item Type: Refine your search to only Patent

Pump-Actuating Mechanism.

Description: Patent for improving measuring pumps "by providing a pump actuating means so constructed that a continuous movement of the crank in one direction will cause a reciprocation of the piston in both directions" (lines 29-33), with illustrations.
Date: April 19, 1921
Creator: Dean, Robert A.
Item Type: Refine your search to only Patent
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