The Company
KLN Ultraschall AG is one of the world's leading manufacturers of machines, systems and tools for welding and joining plastic parts as well as industrial cleaning technology. The complex technologies of plastic joining technology and ultrasonic and spray cleaning technology are the main activities of our company. Here on two plants in Heppenheim our team of experts with 170 employes are working on different projects.
KLN contact persons
Our team of experts currently comprises 170 employees who work for KLN every day at the two locations in Heppenheim with expertise and enthusiasm. Get to know our team:
Our equipment is sold all over the world. The global KLN service and sales network ensures high product and service quality wherever you are in the world. Find the right agent:
Become a part of our team!
Vacancies
For current job advertisements, please visit our StepStone page.
Apprenticeship at KLN
Are you interested in training at KLN?
We place among others:
Duale Hochschule Darmstadt - Mechatronics, Mechanical Engineering, Plastics Technology Mechatronics Technician, Industrial Mechanic, Industrial Electronics Technician, Technical Product Designer, Industrial Clerk and Trainee positions.
The CREST-Group
Since January 2000, the KLN Ultraschall AG has been a company of the Crest Ultrasonics Corp, Trenton, New Jersey/USA. The CREST Group employs more than 1,000 people at 20 locations in 12 countries.
No matter from which part of the world you come to us, in which business field you work with us - the international know-how of the entire group of companies is at your disposal.
All companies in the CREST Group work according to common principles, are in constant exchange of people, ideas and experience, have access to our entire programme and can adapt our technology to individual specifications and national standards.
Website CREST-IncorporatedOur
Philosophy
The KLN Ultraschall AG has been established on the market for decades as a firm partner of renowned companies. In order to continue to be a strong partner for our customers in the future, our guiding principle is:
Do better tomorrow what is good today.
To achieve this, we commit ourselves:
- to increase the customer satisfaction
- to be one step ahead of our customers' wishes
- to maintain an open dialogue with our customers
- constantly improve our processes through preventive and corrective actions
- to continuously develop our products and services
- communicate quickly and efficiently both internally and externally
History 1947 – 2024
- 1947
- 1950
- 1963
- 1966
- 1972
- 1978
- 1986
- 1989
- 1992
- 1998
- 1999
- 2000
- 2001
- 2004
- 2004
- 2006
- 2007
- 2008
- 2010
- 2014
- 2023
1947
Establishment
Company founded by the physicist Dr Wilhelm Lehfeldt; company name at the time: Dr Lehfeldt & Co.
1950
Start of production ultrasound medical technology
Start of production in Heppenheim - ultrasonic medical technology, cleaning equipment
1963
Location Fürth
Establishment of the Fürth site in the Odenwald region
1986
Start of production hot plate welding
Start of production hot plate welding
1992
Production start of spin welding systems
Production start of spin welding systems
2007
Move to new location
Move to new location in Odenwaldstraße at the turn of the year 2007 - 2008
2008
Opening of production halls
Opening of the new production halls and administration
2014
New construction of production hall
New construction of a further production hall in the new Heppenheim industrial estate, Lise-Meitner-Straße 18
2023
Production start H2-tank welding machines
Production start H2-tank welding machines