1928    Founding [Oligodyn AG] in Zug, Switzerland
1940    Company name Changed to [Katadyn Product Inc.]
1969    Founding [Katadyn Germany Inc.]
1977    Founding [Katadyn France SA] in Paris
1980    Founding [Katadyn USA Inc.]
1984    Founding [Katadyn Korea Inc.]
1992    Achievement of ISO 9001
1995    Establishment of Filter Factory in Seattle
1998    Achievement of Best Ceramic Filter Award from Association of Ceramic Filter of USA
2001   Company name changed to [Katadyn Asia Inc.]
2002   Launching New Brand [Silverdyn]
2003   Launching New Brand [Marathon]