1978: Patent filed
"Process to purify liquids using vapour compression".
1989: Patent No. 2832726 received
1989: German Trade Prize
"The creative achievement was described by the jury as 'highly eligible'".
1990: Environment & Technology award; Rhein-Sieg-Kreis
"... in recognition of innovative achievements in the field of environmental technology"
1991: Environment & Technology Award (Blue Angle); City of Cologne
"For developing a process to distil contaminated solvents, which not only saves energy, but also reduces risk
during transport and storage".
1992: 3rd prize at the Environmental Protection Award for Trade in North Rhine-Westphalia
"For the compact construction of a vacuum distillation facility".