History 2006 1th of March agreement with Company NOWAWESER Impex GmbH as agent for business segment Thermal Oil Heater in Russia.   2005 2th of May Foundation of GEKA Wärmetechnik Energy Systems GmbH Lisence partner of GekaKonus GmbH for United States of America and Canada. 2003 Siempelkamp retreated out of company GekaKonus Energie- und Umwelttechnik GmbH & Co. KG. A new shareholder takes over the new structured company. GekaKonus GmbH continues the business segments Thermal Oil Heater and High Pressure Steam Boiler. 2002 The division of biomass combustion plants was given up and the company got a new structure with two business segments Thermal Oil Heater and High Pressure Steam Boiler.   2001 to 1999