5 Matching Results

Search Results

Results: 1 - 5

Life Boat.

Description: Patent for a new and improved life boat. This design consists "[i]n a life-boat, the combination of a hull having the portion of its sides above the water-line overhanging and concave and having the portion of its sides below the water-line convex, with air-chambers having their inner walls curved corresponding to the curves of the upper portion of the sides and converging into the sides at their lower edges, the said chambers increasing in capacity toward the upper edges of the sides of the hu… more
Date: June 16, 1885
Creator: Dwyer, Daniel
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Choppers and Cultivators

Description: Patent for a improved version of the cotton-chopper, used for the cultivation of cotton. This is a new arrangement of part of the cotton-chopper as it fits in with the complete machine.
Date: April 16, 1872
Creator: Harcrow, James M.
Partner: UNT Libraries Government Documents Department

Spirometer

Description: Patent for a spirometer. Illustartion included.
Date: August 16, 1904
Creator: Lyttleton, Henry Thomas
Partner: UNT Libraries Government Documents Department

Improved Bedstead-Fastening

Description: Patent for improvements in the mode of fastening the rail to the post of bedsteads.
Date: August 16, 1870
Creator: Maulding, Pres.
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