Developed a theory of turbo jet engines in 1935 and then built a working model and patented it in 1936.
Designed and produced a successful liquid-fueled engine Hes.3B and it was installed in the HC-178 airplane. The first flight of a turbojet-powered aircraft was made on August 27th, 1939 and led Germany to develop jet airplanes.
Came to the U.S. in 1947 as a research scientist at Wright-Patterson Air Force Base.
Conducted a survey study of trends and research objectives in the field of energy conversion and propulsion.
Was appointed Chief Scientist of the Aerospace Research Laboratories. In this position, von Ohain played an important role in virtually all Air Force basic research concerning the physical and engineering sciences.
Became Chief Scientist of the Aero Propulsion Laboratory of the Air Force Wright Aeronautical Laboratories where he assumed responsibility for maintaining the technical quality of the Air Force research and development in air-breathing propulsion, power, and petrochemicals.
Received the Award of the American Institute of Aeronautics and Astronautics, the Air Force Systems Command Award for Meritorious Civilian Service, and the Department of Defense Distinguished Civilian Service Award.
Published more than 30 technical papers and registered 19 U.S. patents.