26 March 1946
RIELE was founded by Robert Riele and his nephew, Otto Riele, as a wholesale business for hospital and laboratory equipment in East Berlin
31 December 1949
Final move of the corporate center to Hermsdorf in West Berlin
1952
Beginning of the production of optical, mechanical devices, e.g. Photometers for clinical-chemical analyses
1966
Introduction of MK 2, MK 3, in Germany very popular and successful
1970
First Photometers with digital display in Germany: MK 40, MK 45, MK 50, MK 55
4 December 1970
Death of Robert Riele
1971
Wolfgang Riele, son of Otto Riele, becomes a limited partner and starts his study of electrical engineering in Berlin
1 January 1977
Wolfgang Riele becomes a member of the management
1977
Start of supplying Boehringer Mannheim GmbH with Photometers
1978
Photometer 4010, soon distributed all over the world
1986
The Behring Chromotimer is introduced – a 4-channel photometer with a built-in incubation block for all coagulation tests
1995
Photometer 5010
1997
Certification to DIN EN ISO 9001
1998
RIELE Photometer PM 750 and PM 650
Since 1 April 1999
Worldwide sale and distribution of Photometer 4010 and Photometer 5010 from Berlin-Hermsdorf
2001
Re-design of RIELE Photometer 5010
2002
50 years RIELE Photometers
2003
Certification to DIN EN ISO 13485
2004
Photometer 4040
2011
Photometer 680
2015
Photometer 10
October 2020
25 years Photometer 5010
2021
75 years RIELE