Erkelenz
Germany
6
2016-10-06
The entities that hold a legal rights for patent applications filed by inventor Heinrichs Albrecht:
Albrecht Heinrichs from Erkelenz, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Top drive for a drill string
#2 | 2015-04-09Drawworks
#3 | 2015-03-19PUMP SYSTEM
#4 | 2014-06-19Hoist
#5 | 2012-09-27Pump system
#6 | 2009-02-12Pumping system
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