1920 – Submarine Salvage Vessel – John C. Setlow (American)

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 – Alfred E. Lemon (American)

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 – Dewey T. Deemer (American)

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 – Alexander J. Bergeron (American)

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 …

1909-30 – Submarine Salvage Robot – Harry L. Bowdoin (American)

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 …