B3 Technologies remained active in the racing world, with an increasing presence in aerospace, research, leisure and medical equipment. Projects have included an advanced Moto GP bike for Kenny Roberts, a carbon fibre gear box for F1, artificial limbs, lightweight beds for scanners, components for satellites and work in atomic research and deep-sea exploration.
Work by Barnard has been exhibited by and is held in the permanent collection of the Museum of Modern Art (MoMA) in New York. The book The Perfect Car: The story of John Barnard, Formula 1’s most creative designer was published in 2018 by Evro Publishing.