iF product design award 2011 (3 times)
iF product design award 2009
iF product design award 2004
iF product design award 2000
iF product design award 1999
iF product design award 1997
red dot design award 2001
red dot design award 1999
red dot design award 1997
Design Award of the Federal Republic of Germany, nomination 2011
Design Award of the Federal Republic of Germany, nomination 2010
Design Award of the Federal Republic of Germany, nomination 2004
Good Design Award 2009, The Chicago Athenaeum
Good Design Award 2001, The Chicago Athenaeum
Ranking:Design, The Top Ten in Public Design 2005