Knuth
Knuth Fickartz, Schoenau DE
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20150224435 | FILTER ELEMENT - A filter element includes a first bellows which is produced from a first filter medium, in view of the object of providing a filter element which after some service life can be readily modified in such a manner that said filter element again achieves an adequate filtration effect, is characterized in that a second bellows which is produced from a second filter medium is provided, wherein the second bellows is inserted into a recess of the first bellows and the periphery of the second bellows is partly or completely surrounded by the first bellows or wherein the second bellows is placed onto the first bellows in such a manner that the recess is covered by the second bellows and the fold tips of the bellows are aligned with one another. | 08-13-2015 |
Knuth Gebhardt, Drollobach AT
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20090100766 | Coated abrasive grains, method and for the production thereof as well as the use thereof for producing abrasives - The present invention relates to abrasive grains, which are coated with a micro-particle inorganic powder and a binder, consisting of the group of conventional abrasive grains as well as the group of the “superabrasives”, wherein the binder comprises an aluminosilicate with a molar ratio of Al | 04-23-2009 |
Knuth Gebhardt, Drobollach AT
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20110183142 | ABRASIVE GRAIN AGGLOMERATES, PROCESS FOR THE PRODUCTION THEREOF AND THE USE THEREOF FOR PRODUCING ABRASIVES - The present invention relates to abrasive grain agglomerates composed of fine-particle primary abrasive grains which are held together by means of a binder based on an aluminosilicate having a molar ratio of Al | 07-28-2011 |
Knuth Wallbaum, Bochum DE
Patent application number | Description | Published |
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20080202890 | Passenger Conveyor Handrail Having a Gripping Surface with a Generally Circular Cross-Section - A passenger conveyor handrail ( | 08-28-2008 |