1921-5 – Diving Armor by Joseph Salim Peress. Peress explaining his new armored diving suit at the Shipping Exhibition, at Olympia, London, England. It was manufactured in stainless steel by Staybrite Silver in England. Source: Getty Images Joseph Salim Peress with his new armoured diving suit. Source: Getty Images In 1921, Joseph Salim Peress filed …
 1918 – Diving Armor by Rudi De Graff. Publication number US1368786 A Publication type Grant Publication date Feb 15, 1921 Filing date Jan 12, 1918 Priority date Jan 12, 1918 Inventors Rudi De Graff The invention relates to diving suits designed for service at great depths, one hundred feet or more, and the object …
 1917 – Diving Armor by James F. Long. Diving Armor Publication number US1305656 A Publication type Grant Publication date Jun 3, 1919 Filing date Jan 12, 1917 Inventors James F. Long This invention relates to diving armor, and has for one of its objects to provide a device of this character especially adapted to protect …
1880 – Armored Diving Suit by Stephen P. M. Tasker. An interesting pose for a patent drawing. Anyone wanting a Mechanical Man costume would be inspired by this.  Diving Apparatus Publication number US236858 A Publication type Grant Publication date Jan 18, 1881 Filing date Jun 21, 1880 Inventors Stephen P. M. Tasker Heretofore in …