Werne
Germany
8
2012-07-05
The entities that hold a legal rights for patent applications filed by inventor Weigel Wilfried:
Wilfried Weigel from Werne, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Hydraulic circuit for longwall support
#2 | 2012-05-03Hydraulic circuit for longwall mining
#3 | 2012-03-29Safety device for the movable excavation devices in an underground longwall mine
#4 | 2007-02-13Controller for underground mining
#5 | 2006-11-23Control device for electrohydraulic support controller
#6 | 2005-10-25Connector for a cable for underground mining
#7 | 2005-03-17Device for detecting the tension of scraper chains
#8 | 2005-03-10Face equipment for mining machinery
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