History
| 1973 | Establishment of RATIONAL GmbH, a company manufacturing and marketing hot-air appliances in Germany |
| 1976 | Invention of the RATIONAL Combi-Steamer |
| 1991 | Establishment of subsidiary in the UK |
| 1992 | Establishment of subsidiaries in France and Japan |
| 1993 | Establishment of subsidiary in the USA |
| 1997 | ClimaPlus Combi®, setting new world standards with "Intelligence Inside" |
| 1998 | Establishment of subsidiaries in Italy and Scandinavia |
| 1999 | Establishment of subsidiary in Switzerland |
| 2000 | Market launch of CleanJet® and CalcDiagnose System® |
| 2000 | Going Public |
| 2000 | Establishment of subsidiaries in Canada, Spain, and South Korea |
| 2001 | Market launch of CombiCheck® and UltraVent® |
| 2002 | Market launch of CombiLink®, CombiFry® and AeroCat® |
| 2004 | Invention of the first SelfCooking Center® in the world |