He developed some of the earliest jet engines and holds over 50 patents, many in jet propulsion, and is the inventor of the Underwater Jet (TIME March 14, 1949), the Two Piece Jet Thrust Motor and Inverted Hydro Pulse.
Razvio je neke od najranijih mlaznih motora i ima preko 50 patenata, mnogi od njih u Jet Propulsion, i izumitelj podvodnog Jet (VREME 14. marta, 1949), Tvo Piece Džet potisak motora i Invertovani Hidro Puls.