The History of Aqseptence Group

1652 – Our roots

It all began with the foundation of the Michelbacher Hütte by Graf Johannes zu Nassau-Idstein in 1652

1842

Foundation of Roediger by Peter Roediger

1884 - Our roots

Continuation of the business by Adolph Samuel Passavant & Foundation of the brand Noggerath by Max Noggerath

1891

Foundation of Geiger'sche Fabrik by Carl Geiger (brand Geiger)

1904

Foundation of Johnson Screens by Edward E.Johnson

1917 - Our roots

Continuation of the business by Wilhelm Passavant, son of the founder

1923

Foundation of Diemme Filtration by Melandri & Deggiovanni

1942

100-year anniversary of the brand Roediger

1969

Foundation of the brand Airvac brand by Bryce Burton

1980 - Our roots

Renaming in Passavant-Werke AG

1984 - Our roots

100-year anniversary of the brand Passavant

1984

100-year anniversary of the brand Noggerath

1991

100-year anniversary of the brand Geiger

1994

25-year anniversary of the brand Airvac

1998

75-year anniversary of the brand Diemme Filtration

1999 - Merger with

Roediger-Anlagenbau and renaming in Passavant-Roediger Umwelttechnik GmbH

2003 - Acquisition

German company Noggerath
(Leading specialist for water screening equipment, stainless steel, municipal & industry focus)

2004 - Acquisition

German company Intech
(Leading specialist for energy optimi-zation solutions, municipal focus)

2004

100-year anniversary of the brand Johnson Screens

2005 - Acquisitions

German company Geiger
(Leading specialist for water intake equipment, power focus, screens)

German company Roediger Vacuum
(Leading specialist for waste water collection, real estate & industrial focus)

US company Airvac
(Leading specialist for waste water collection, real estate focus)

2006 - Our roots

Rebranding to Passavant-Geiger GmbH

2009

125-year anniversary of the brand Passavant

2011 - Our roots

Acquisition of the filter division of the Italian company Diemme

(Leading specialist for filter chamber presses, industrial focus)

2013 - Acquisition

US company Johnson Screens
(Leading specialist for screens and water treatment equipment for industrial applications)

Johnson Screens South Africa and Lexington were sold simultaneously

2013 - Our roots

Rebranding to Bilfinger Water Technologies GmbH

2016

125-year anniversary of the brand Geiger

2016 - Our roots

Rebranding to Aqseptence Group GmbH

2017

175-year anniversary of the brand Roediger

2023

100-year anniversary of the brand Diemme Filtration