- 1977 First development / production of rescue devices
- 1981 Foundation of the mittelmann safety program
- 1995 The mittelman group is certified according to DIN EN ISO 9001
- 1998 Mittelmann presents the smallest descender in the world
- 2000 Mittelmann presents the first harness with snap fasteners
- 2004 The Mittelmann safety program detaches from the holding company and becomes the Mittelmann Sicherheitstechnik GmbH & Co. KG
- 2005 Mittelmann developed the first ratchet-rescue device
- 2010 Moving to Velbert
- 2011 Certification according to PPAP (Production Part Approval Process)
- 2013 Mittelmann presents the new RG11, replacement for the RG10
- 2015 Mittelmann presents the UniDrive, first device to use for rescue and work positioning to be driven with any power drill
- 2017 Mittelmann presents the compact tripod series DB uni/DB mid/DB mini, especially for use in confined space areas
- 2019 Mittelmann stopped production of the legend product RG10
- 2019 Certified to environmental management DIN ISO14001:2015