2004 we get the first patents for the GWVPP and make the foundation of the Zotlöterer enterprise in Obergrafendorf in Lower Austria.
2005 we built the worldwide first GWVPP in Obergrafendorf.
2006 we developed a self-sufficient water activation system for ponds.
2008 we got support from the Austrian Research Promotion Agency (FFG).
2009 we developed the Zotlöterer-Turbine - a high efficient turbine a for the GWVPP.