| 1939 | Founding of the “Karl Schmidt Präzisions-Flugzeugteile“ company |
| 1949 | Commenced production of water pumps and the recycling of used water pumps for vehicles |
| 1958 | Series production of coolant pumps for Horch, Sachsenring Zwickau and automobile plant Eisenach; Manufacturing of oil pumps and windscreen washer systems |
| 1963 | Development and production of mechanical seals |
| 1967 | Awarded first gold medal at the Leipzig Trade Fair for diesel truck engine water pumps |
| 1972 | Nationalization of enterprise and founding of VEB GPM |
| 1990 | Re-privatisation under the Managing Director Dr. Eugen Schmidt of „Geräte- und Pumpenbau GmbH“ |
| 1991 | First major commissioning of water pumps |
| 1996 | Commenced production of front end modules |
| 1997 | Introduction of networked automated production of water pumps |
| 1998 | Commenced production with injected silicon seals |
| 2001 | Construction of foreign location in Brazil, extension of Merbelsrod location |
| 2002 | Relocation of R&D and installation of modern test station in the new manufacturing area |
| 2003 | Launch of completed manufacturing facility with networked, automated system in the new manufacturing area |
| 2005 | Beginning of the production of water pumps with coupling units |
| 2006 | Launch of a further manufacturing section of 4000 m² |
| 2008 | Opening of our subsidiary GPM Automotive Pumps Suzhou, China and GPM North America Corporation (Office) in Troy, USA |
| 2011 | In January 2011, Andreas Schmidt (CEO), Ulrich Döhler and Michael Grellmann were appointed to the management of the company |