Gas filters

This was where we had planned to be !

Looking back - we were too early and too small in the development of the highly suitable for Re-SiC porous multi cell technology Diesel-Particulate-Filters (DPF). We created all the basic methods, technologies, and even a production able to support the off-road market in the early 90ties. Copies by several competitors in those years.


This great Re-SiC porous multi cell technology was invented by an ambitious and innovative company. Two lousy patent application to back the great inventions up. For here we learned that such a small country like Denmark completely lack the resources and vision to create a potential big international business. Few years after several EU based companies jumped into this business based on un-realistic business plans! Total investment in EU ranged >300 mio € - and then the marked collapsed – too many suppliers in a too competitive market!

Many articles about emission to be found on and

Download some PDF files about our years of work