2014

New construction of a further production hall in the new industrial area Heppenheim, Lise-Meitner-Straße 18

2010

Start of production infrared welding technology

2008

Opening of the new plant and the office building

2007

Move to the new location at Odenwaldstraße by turn of year 2007 - 2008

2006

Planning and ground-breaking ceremony of the new manufacturing site in Heppenheim

2004

Change of legal form from KLN Ultraschall GmbH to KLN Ultraschall AG

2004

KLN opens a new plant for the Asian market in Shanghai/China

2001

Production start robot tank systems

2000

Take-over by the international Crest Ultrasonics Corp., Trenton/USA

2000

Change of name back to KLN Ultraschall GmbH

1999

Production start hot-air welding machine

1998

Change of name to FTI Forward Technology Industries GmbH

1992

Production start spin welding machines

1989

Production start hot stamp machines

1989

Production start vibration welding machines

1986

Production start hot plate welding machines

1978

Integration into the Forward Technology Industries plc group

1972

Change of name to KLN Ultraschall GmbH
Logo using the former sales company
Kretz - Technik Austria
Lehfeld - Heppenheim
Nirona – plastic processing company Taunusstein

1966

Production start Ultraschall plastic welding technology Heppenheim

1963

Setting up the site in Fürth/Odenwald

1950

Production start in Heppenheim Ultraschall medical technology, cleaning devices

1947

Foundation of company by physician Dr. Wilhelm Lehfeldt; name of company: Dr. Lehfeldt & Co.

Founded in 1947

by the physician Dr. Wilhelm Lehfeldt and since 1972 known under the name of KLN Ultraschall, now we belong to the internationally leading manufacturers of machines and systems for welding plastics as well as ultrasonic cleaning technology.