8 Matching Results

Search Results

Results: 1 - 8

Improvement in Hand-Cultivators.

Description: Patent for "hand-cultivators; and the novelty consists in the improved construction and arrangement of the stock, tongue, and plows; and in the application to the end of the tongue of a shoulder-strap to assist in working the implement." (Lines 15-20) Includes instructions and illustrations.
Date: February 27, 1872
Creator: Jones, William G.
Partner: UNT Libraries Government Documents Department

Railway-Brake Hanger

Description: Patent for "improvements to Railway-Break Hanger;...will enable others skilled in the art to which it appertains to make and use the same"(lines 6, 9-11).
Date: February 26, 1901
Creator: Saling, Thomas W.
Partner: UNT Libraries Government Documents Department

Improvement in Washing Machines.

Description: Patent for the improvement of washing machine mechanisms.
Date: February 14, 1871
Creator: Jones, William G.
Partner: UNT Libraries Government Documents Department

Electric Hammer.

Description: Patent for an electric hammer operated by magnetic pull.
Date: February 14, 1911
Creator: Smith, Reuben S.
Partner: UNT Libraries Government Documents Department

Piston Packing.

Description: Patent for a new and improved piston packing. This design consists in a "piston head cast entire and having radial arms bored out, in combination with the piston-segments, the steam-ports in the piston-plates, and stems of said segments, packing expansible rings on said stems, and the expansible packing-rings inclosing the said piston-segments" (lines 87-93).
Date: February 7, 1888
Creator: St. James, Henry L.
Partner: UNT Libraries Government Documents Department

Cinder and Smoke Consuming Apparatus.

Description: Patent for "devices for conducting exhaust steam, gases and cinders to the fire place of a boiler and is primarily intended for use in locomotive boilers, and its object is to increase the efficiency of such apparatus" (lines 11-16).
Date: February 14, 1893
Creator: Little, Francis
Partner: UNT Libraries Government Documents Department

Air-Brake

Description: Patent for an air brake for trains that reduces jerking when the brakes are applied.
Date: February 6, 1912
Creator: Mead, William E.
Partner: UNT Libraries Government Documents Department

Air-Valve Cage for Air-Brake Pumps

Description: Patent for an air valve cage for air brake pumps which reduces the wear on the air brake pump and substantially reduces the maintenance costs of the system.
Date: February 16, 1909
Creator: Mattingly, James
Partner: UNT Libraries Government Documents Department
Back to Top of Screen