Elmar Wiejack-Symann

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Dinslaken, DE

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Patents Grantslast 30 patents

Information Patent Grant
Scraper for scraper chain conveyors
- Patent number 8,662,287
- Issue date Mar 4, 2014
- Caterpillar Global Mining Europe GmbH
- Frank Fischer
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
SCRAPER FOR SCRAPER CHAIN CONVEYORS
- Publication number 20110315519
- Publication date Dec 29, 2011
- BUCYRUS EUROPE GMBH
- Frank Fischer
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Scraper chain conveyor for use in underground mining
- Publication number 20040140178
- Publication date Jul 22, 2004
- Elmar Wiejack-Symann
- E21 - EARTH DRILLING MINING