History
| 1954 | Foundation Planning of central sterilization and operation room departments in hospitals, production and distribution of stainess steel modules and consumables for sterilization |
| 1986 | Production of own gke indicators |
| 1992 | Development, production and sales of the whole biological and chemical indicator range. Stop of all other activities. |
| 1995 | gke offers new services: Validation of sterilization and cleaning/disinfection processes as notified body expert. Resistance determination of biological indicators for steam, EO and formaldehyde sterilization processes. Test laboratory for sterilization processes and indicators |
| 2001 | New printing equipment for manufacturing of all types of gke indicators and other print products, 2004 extension to UV-flexo and rotation silk screen printing |
| 2003 | Development and introduction of a new patented test device concept, the Compact-PCD (Process challenge device) for use as BDS-Test and batch monitoring |
| 2003-2006 | Further development of all indicator colours with UV-curing binders and adaption to the new standard series EN ISO 11140 |
| 1998-2006 | Construction of two new production, office and storage facilities with altogether 3.500 m² |
| 2006-2007 | Development and launch of the first test systems for special loads worldwide (Tattoo-BMS, Dental-BMS) |
| 2008-2011 | Development of cleaning indicators and a cleaning test method |
| 1994-2012 | Global expansion of sales activities in more than 70 countries worldwide with total export sales of over 65% of the gke turnaround |
| 2011-2012 | Launch of cleaning indicators worldwide |
| 2014-2015 | Construction of new production, laboratory and office facilities with 10.000 m² |