Until mid-October 2018, chain manufacturers and plant builders around the world still have the opportunity to acquire the patent EP 2594824 including ten property rights in Europe.
From November, some of the property rights will be lost.

The following is a quote from Hermann Wilke (former authorized representative of the company Ketten Wulf) about the predecessor of the present patent: "After all, it is a product, that the market wants... " (see the publication: ARTICLE FROM THE TRADE JOURNAL „KONSTRUKTION“ 7/8-2002 on the left side.


The English version will be published in a few months' time.

» One and the same chain by Ketten Wulf and one and the
same chain wheel by Karl Herkenrath for 16 years

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