Skip to main content


Our specialty is optical sorting systems, process and packaging technologies for the food processing industry. In this way, we can plan and deliver complete lines from the product feed through to the final packaging.

We represent market leaders in your field, will process all spare parts and service orders for you, and will of course also be happy to advise you on inquiries for new machines.

Optical sorting machines

Sorting machines

  • Potato
  • Vegetables
  • Salad
  • Other like
    • Sweets/sweets
    • fruit
    • Dried fruit
    • Snacks
    • Nuts and lettuce
    • pet food

More Info

Steam peeling machines

  • Potato
  • Vegetables
  • Salad
  • Etc.

Filling, capping and complete lines

Filling, capping and complete lines

  • telescopic filling machines
  • vacuum filling machines
  • piston filling machines


  • Can seaming machines
  • Pasteurizers and coolers
  • Pet food

Packaging machines


  • ­Tray packer
  • Wrap around carton
  • Foiling

More Info


  • Film shrink tunnel
  • Palletizer
  • Pallet wrapper

Expert office - reports

Wilfried Thelen, Eur Ing
Expert for machines &

Publicly appointed and sworn expert mechanical engineering / precision mechanics, by the Chamber of Düsseldorf.

Certified by the European personnel certification organisation "EuroKompZert" according to the  SO/IEC 17024:2012 standard in the profession of international experts for the valuation of machines, systems and equipment.

Member of:

  • VDI - Association of German Engineers e.V. (e.V. = registered association)
  • BDSF - Federal Association of German Experts e.V.
  • Association of German court experts VDGS e.V.  (1.Vice President)
  • BVS - Federal Association of Publicly Appointed, Sworn and Qualified Experts e.V.
  • GFS e.V. - Society for the promotion of national and international experts

After Sales Service

THELEN-machines is your first point of contact when it comes to the topic of food processing machines. Benefit from our network.
In addition to selling new machines, we also offer after-sales service.
For this purpose, we have set up a "Service Competence Circle".

More Info

Specialties are can seaming-machines and the upstream filling-machines.
We represent the market leader in their field and process all service and spare parts orders for you.