Integration into the MAHLE Group The MAHLE Group ist the globally leading manufacturer of components and systems for the combustion engine and engine peripherals - from piston systems, cylinder components, valve train systems via air management systems up to liquid management systems. In addition to the automotive industry, MAHLE also supplies the small and large engine areas as well as the market for industrial filtration.
Industrial Filtration Industrial filters have been developed and manufactured since 1962 in our plant in Öhringen. All research and development, design, production and worldwide sales of the Industrial Filtration are concentrated here with the fluid engineering, dust separation and automatic filter areas. Milestones 1929 | Serial production of air, oil and fuel filter begins | 1961 | The Purolator Products Inc. establishes the German Purolator Filter GmbH in Stuttgart | 1962 | Production at the plant Öhringen starts | 1968 | Extension of the production hall in Öhringen | 1972 | MAHLE GmbH takes an interest in Knecht Filterwerke GmbH | 1974 | Purolator Filter fades to MAHLE GmbH | 1977 | MAHLE GmbH holds the majority of Knecht Filterwerke GmbH: the plant Öhringen operates under the name of Knecht | 1979 | Further extension of the plant Öhringen: number of employees exceeds for the first time 600 | 1990 | Names of Purolator products were changed into MAHLE filter or rather MAHLE industrial filter | 1993 | MAHLE GmbH absorbs remaining shares in a business of Knecht Filterwerke GmbH | 1997 | All locations of Knecht Filterwerke GmbH were accredited according to DIN EN ISO 9001 | 1999 | Knecht as a division of MAHLE changes its name to MAHLE Filtersysteme GmbH | 2001 | Acquisition of the Tennex Group, Japan: now MAHLE Tennex Corp. extends the Industrial Filtration product range by toner and micro filters with approx. 50 employees | 2006 | Acquisition of NFV GmbH and AKO Filter GmbH: change of name to MAHLE NFV GmbH and MAHLE AKO GmbH | 2007 | New Joint Venture in Mogi Guacu, Brasil: MAHLE Filtroil | 2008 | New Joint Venture in Shanghai, China: MAHLE Industrial Filter Systems | 2008 | Acquisition of the Amafiltergroup, The Netherlands | 2008 | Consolidation of MAHLE NFV GmbH and MAHLE AKO GmbH to MAHLE Industriefiltration GmbH |
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