1920 – Submarine Salvage Vessel by John C. Setlow   Submarine salvage vessel Publication number US1450232 A Publication type Grant Publication date Apr 3, 1923 Filing date Mar 6, 1920 Priority date Mar 6, 1920 Inventors Setlow John C Original Assignee Setlow John C Description In the usual type of submarine salvage vessels, the …
1919 – Deep-sea Salvage Apparatus by Alfred E. Lemon. Deep-sea salvage apparatus Publication number US1415661 A Publication type Grant Publication date May 9, 1922 Filing date Dec 30, 1919 Priority date Dec 30, 1919 Inventors Lemon Alfred E Original Assignee Lemon Alfred E The object of the invention is to provide a new and improved …
1916 – Diving and Excavating Apparatus by Dewey T. Deemer DIVING AND EXCAVATING APPARATUS. Publication number US1228300 A Publication type Grant Publication date May 29, 1917 Filing date Jul 10, 1916 Priority date Jul 10, 1916 Inventors Dewey T Deemer Original Assignee Dewey T Deemer Be it known that I, DEWEY T. DEEMER, a …
1916 – Machine for Submarine Salvage Operations by Alexander J. Bergeron MACHINE FOR SUBMARINE SALVAGE OPERATIONS Publication number US1304012 A Publication type Grant Publication date May 20, 1919 Filing date May 11, 1916 Inventors Alexander J. Bergeron Description The object of my invention is to provide a machine for sub-marine salvage operations, adapted at all …
1930 – Submarine Salvage Robot by Harry L. Bowdoin Artists depiction of Salvage tank. Really a cross between Bowdoin's Armoured Suit and the Diving Bell. Source: The Ogden Standard Examiner, Feb 21, 1932. Another artists depiction of the diving apparatus. Source: Modern Mechanics and Invention, Sept 1931. Large Robot Diving Bell to Explore for …