1926   Company foundation.
Commence production of small containers.
1948   The company manufactures its first heat exchangers.
1969   Manufacture of the first V4A / stainless steel heat exchangers.
1984   First involvement with the nuclear industry, where the company
demonstrates its considerable technical expertise.
1991   Deller celebrates 65th anniversary.
Developement and delivery of the first safety heat exchanger.
1998   Development and manufacture of Deller#s first pharmaceutical
and sterile heat exchangers.
2011   Construction of the first super-compact power-plant heat exchanger
with high efficiency corrugated tubing from the company MPG
2011   Patent application for a specialized grid structure
for super-compact heat exchangers.