1930 – Diving Apparatus – Emil Kulik (American)

An Armored Sea-Monster This machine is not really a sea-monster, but the newest thing in diving 'bells', although in this case the operation and construction resembles a miniature submarine. It was invented by Emil Kulik, 52-year-old former sea captain and naval officer, Brooklyn, N.Y. It is plentifully supplied with windows, the driver sitting within and …

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 …