| 1884 | Foundation of Albert Buss, a steel construction company |
| 1901 | Incorporation of A. Buss & Cie AG |
| 1919 | Start of chemical plant engineering |
| 1920 | Start of an international sales organization |
| 1948 | First machine sold for food stuffs |
| 1950 | Launch of the Loop Reactor |
| 1997 | Buss AG |
| 1997 January | Buss CPS (Buss CS - Buss SMS - Buss MDL) |
| 1998 May | Kvaerner Buss CPS AG |
| 1999 May | Kvaerner Process Technology (Switzerland) AG |
| 2001 December | Davy Process Technology (Switzerland) AG ロシアの石油会社YUKOSの傘下に入る |
| 2006 April | Buss ChemTech AG |