1898 – Diving Apparatus Patent – James E Holland (American)

1898 – Diving Apparatus Patent by James E Holland. Publication number US638335 A Publication type Grant Publication date Dec 5, 1899 Filing date Dec 20, 1898 Priority date Dec 20, 1898   Inventors James E Holland Original Assignee Anton Lutz, James E Holland My invention relates to diving apparatus, and has special reference to such …

1923 – EPRON-1 Humidistat – E. G. Danilenko (Russian)

1923 – EPRON-1 Humidistat – E. G. Danilenko. Гидростат Даниленко Е.Г. «Ð­ÐŸÐ ÐžÐ-1» Source: here. Original text by Alexey Rasshivalov, translated to English by Google translate. The first domestic ( and second in the world) DHD humidistat , better known as " EPRON -1 ." Built in 1923, the project EG Danilenko . Heavy machine to …

1947 – Mechanical Lobster – Harry Rieseberg / Charles Warren (American)

1947 – Mechanical Lobster model by Harry Rieseberg and Charles Warren. Source: Mechanix Illustrated, Nov 1947. Mechanical “Lobster” Deep undersea the claws of this tank will rip to the heart of rotting treasure ships. THERE’S gold down on the ocean floor. Vast fortunes lie hidden in sunken caches, waiting the hand bold enough to stretch …

1940 – Diving Bell Arm With Grippers – Friedrich Gall (German)

1940 – Diving Bell Arm With Grippers by Friedrich Gall Working arm with grippers for diving chambers Publication number    DE738760 C Publication date    Aug 31, 1943 Filing date    Feb 6, 1940 Inventor    Friedrich Gall Patent Citations (4), Referenced by (3), Classifications (3) External Links: DPMA, Espacenet See other related Friedrich Gall inventions here and here. …

1913 – Manipulator Arm For Diving Bell – Charles Petit (French)

1913 – Manipulator Arm For Diving Bell by Charles Petit. Moving means for the Arbeitsgeraet of diving equipment Publication number    DE321916 C Publication date    Jun 15, 1920 Filing date    Mar 5, 1913 Applicant    Charles Petit See German patent here. See other early Underwater Robots here.