Initially running under his own name, he left the business in 1946 and it was reorganised as North Downs Engineering Co (Nordec).
Several members of NORDEC, including the chief designer and the managing director, Marcus Chambers, decided to make their own compressors and to do this created Wade Engineering Ltd at Gatwick airport late in 1947.
In 1990 Adams Ricardo Ltd purchased the rights to the Wade and Godfrey compressor ranges from Howden.
The first patent of Costin and Densham deals with ways to achieve compression within the Roots-style blower.
[2] Although initially focussed on engine superchargers, they were soon to diversify into other application areas, including aircraft cabin pressurisation, refrigeration, reversible air motors and pneumatic conveying of powders and other materials.