Market leader with a passion for perfection and environmental protection


Corporate philosophy of UT99


State-of-the-art engineering since 1969

For more than 50 years, we have been passionate about developing highly efficient filter technologies protecting our environment as best as possible. Based on our well-founded experience, we develop, manufacture and distribute products preventing the escape of oil mist into the engine compartment and environment almost completely.

With the integration of our oil mist separators, you not only contribute considerably to environmental protection but also profit from a higher engine reliability, lower costs and best possible health and safety.

Our quality is proven and tested: For many years, leading engine manufacturers, plant manufacturers and shipyards rely on our products and services.

Swiss made

Our passion for technology, and state-of-the-art engineering
are the foundation of our leading position in the market.

All products are developed and produced according to the
most stringent specifications at our site in Andelfingen.

All components are manufactured in our own as well as Central European production
facilities and leave our plant only after a comprehensive quality control.

Our management system is certified in accordance with ISO 9001:2015.

Always up to date

To be able to always provide the best possible product, we are partner of the consortium “Crankcase Ventilation and formation of Oil Aerosol“ which is under the direction of the Karlsruhe Institute of Technology (KIT). Thus, our technology is based on current scientific findings, long years of field experience and intensive cooperation with manufacturers and operators.