| 1963 | Takeover of sheet metal shop with 6 employees |
| 1964 | First dedusting equipment for cabinet makers |
| 1966 | Development of a production program for the wood industry (cyclones, fans, etc.)
First orders from the fiberboard industry
New production hall built at Ried i.I. |
| 1973 | Expansion of the production hall |
| 1976 | New production program for metals and industrial mineral industries |
| 1979 | Proprietary development of the first bag filter |
| 1985 | First patent for a cleaning system |
| 1988 | New office building built at Ried i.I. |
| 1989 | First chamber filter |
| 1991 | Patent for energy-saving extraction system SEPAS |
| 1994 | Development of the first electrostatic precipitator
New production hall built at Aurolzmünster
Development of plants for flue gas cleaning |
| 1995 | Commissioning of the first SEKA plant
Subsidiary founded in the Czech Republic |
| 1996 | ISO 9001 Certification |
| 1998 | Development of dry sorption plants |
| 1999 | Development of the SABA exhaust gas scrubber for the fiberboard industry
New office building at Aurolzmünster
Commissioning of the first SABA plant |
| 2000 | Takeover of BWT subsidiary Hydroair |
| 2001 | Expansion of the production hall in Aurolzmünster and concentration on this location
Commercial launch of patented EMC technology
Introduction of the LIGNO filter program |
| 2002 | Development of the gas conditioning tower
Patent issued for ERCS system for cleaning of flue gases |
| 2003 | Improved version of the extraction system for the wood industry: SEPAS-Plus |
| 2004 | Improved version of the extraction system for surface coating applications: SELAS-Plus
Patent of a pressure adjustment system for the cleaning of filter bags
Start of production in Slovakia |
| 2005 | Improved version of the LIGNO cyclone separator
Subsidiary founded in Montreal/Canada |
2006
| Expansion of the production facility at Prievidza/Slovakia
|
2007
| Completion of a comprehensive safety concept for the wood and wood-based panel industries consisting of ATEX certification and receipt of the H3 and GS Certification Mark |
