Once there were 10 property rights - now there are only 5 left. Still, there is, of course, the possibility to also reduce costs in Germany, Austria, France, Italy and the Czech Republic and to increase profit
On 19.4.2001 the chain from Ketten Wulf and the two "self-adjusting chain wheels" according to the patent of Karl Herkenrath went into operation in the Ensdorf power station. The power station has been shut down in the meantime, but the three "work hard" here still without wear and tear and without being replaced once.
» Book: Erfinder mit langem Atem as PDF-file
(in German language, English version is coming soon)