Never had his own company but masterminded many important aircraft at DFS, Messerschmitt (1942 patent for pivoted 'swing wings') and, post-war, Collins Radio. Aircraft designated for him included Lippisch DM-1 delta glider developed at Akaflieg Darmstadt and Akaflieg Munich 1944, Storch I-V and Delta I-IVb, LP 13a delta ramjet and various unbuilt projects.