| 2020 | Introduction of the grinding wheel generation GreenTech |
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| 2018 | Acquisition of Bauer Werkzeugtechnik |
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| 2016 | Acquisition of Elbe Schleifmittelwerke & Co KG |
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| 2015 | Introduction of the grinding wheel generation Galaxy2 for the grinding of tooth systems |
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| 2014 | Acquisition of Gossweiler Schleifwerkzeuge |
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| 2011 | Construction of a second kiln house to increase production capacity |
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| 2010 | Installation of a photovoltaic system to reduce CO2 emissions |
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| 2009 | New building for the quality control department |
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| 2009 | Acquisition of Abrasifs Virudia / Colmar |
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| 2006 | Introduction of the grinding wheel generation COMET COOL CUT |
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| 2006 | Implementation of new afterburner technology to reduce kiln emissions |
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| 2005 | Acquisition of Ph. Oskar Weiss Diamant / Stuttgart |
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| 2003 | Product range expansion to include CBN and diamond grinding wheels |
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| 2002 | New construction of office and management building |
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| 2001 | Introduction of the highly porous grinding wheel generation COMET AIR CUT |
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| 1995 | Certification in accordance with DIN ES ISO 9001 |
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| 1991 | Acquisition of Meules Ars / Paris |
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| 1988 | Acquisition of Dettinger Schleifscheibenfabrik / Plochingen |
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| 1985 | Introduction of the COMET EXPRESS SERVICE: manufacturing to client's specifications within 10 working days |
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| 1958 | Relocation to the production site “Im Pottaschwald“ |
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| 1949 | Founding in St. Ingbert by Dr. Werner Seidel senior |
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