Knut Welkers

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Neuss, DE

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Patents Grantslast 30 patents

Information Patent Grant
Device for winding and unwinding a web of material
- Patent number 4,927,091
- Issue date May 22, 1990
- Jagenberg Aktiengesellschaft
- Peter Weiss
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Device for chucking tubular winding cores
- Patent number 4,339,094
- Issue date Jul 13, 1982
- Jagenberg-Werke AG
- Karl Thievessen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL