Klimov was selected in 1933 to open a construction bureau (KB)
to develop an Russian version of the Hispano-Suiza 12Y. Klimov
designed V-12s accounted for 129,000 combat engines produced from
Klimov was also in the forefront of Russian
turbojet design when his design bureau copied the Rolls-Royce Nene.
Sergei Isotov, Klimov's deputy, designed
helicopter turboshaft engines that are known by his name.
Klimov's design bureau is now known as the Klimov
Corporation and has partnership agreements with Pratt
& Whitney Canada and Motor Sich.