Explore our portfolio Career Contact News EN Key Brands Applications Markets Solutions About us Locations Home / About Us “Who we are” / History History Our Corporate History It all began with the foundation of the Michelbacher Hütte by Graf Johannes zu Nassau-Idstein in 1652 1884 Continuation of the business by Adolph Samuel Passavant 1917 Continuation of the business by Wilhelm Passavant, son of the founder 1980 Renaming in Passavant-Werke AG 1999 The roots of Aqseptence Group can be tracked back to the takeover of the Passavant-Roediger Umwelttechnik GmbH 2003 Acquisition of the German company Noggerath (Leading specialist for water screening equipment, stainless steel, municipal & industry focus) 2004 Acquisition of the German company Intech (Leading specialist for energy optimi-zation solutions, municipal focus) 2005 Acquisition of the German company Geiger (Leading specialist for water intake equipment, power focus, screens) Acquisition of the German company Roediger Vacuum (Leading specialist for waste water collection, real estate & industrial focus) Acquisition of the US company Airvac (Leading specialist for waste water collection, real estate focus) 2006 Rebranding to Passavant-Geiger GmbH 2011 Acquisition of the filter division of the Italian company Diemme (Leading specialist for filter chamber presses, industrial focus) 2013 Acquisition of the US company Johnson Screens (Leading specialist for screens and water treatment equipment for industrial applications) Johnson Screens South Africa and Lexington were sold simultaneously Rebranding to Bilfinger Water Technologies GmbH 2016 Rebranding to Aqseptence Group GmbH Downloads The History of Aqseptence Group PDF, 302.34 KB Download About Aqseptence Group Aqseptence Group is a leading global supplier of specialized products, equipment and system solutions for filtration & separation and water technology for various applications. Aqseptence Group unites some of the most renowned brands of the industry, serving industrial and municipal customers for more than 100 years. Aqseptence Group GmbH Corporate Headquarter Passavant-Geiger-Strasse 1 65326 Aarbergen Germany Phone: +49 6120 28 0 info@aqseptence.com info@aqseptence.com Print this Page Explore our portfolio Show Loading Aqseptence Group is a leading global supplier of specialized products, equipment and system solutions for filtration & separation and water technology for various applications. © Aqseptence Group Key Brands Passavant Johnson Screens Diemme Filtration Geiger Roediger Airvac Noggerath Portfolio Applications Markets Solutions Corporate Contact About us Locations Career Procurement Terms & Conditions Imprint Data Protection Social Media LinkedIn Xing YouTube