Hannover
Germany
5
2019-11-21
The entities that hold a legal rights for patent applications filed by inventor Benning Helmut G.:
Helmut G. Benning from Hannover, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Method of lining an inner surface of a tubular and system for doing same
#2 | 2019-10-03Method for forming a mud motor stator
#3 | 2017-07-06Method of lining an inner surface of a tubular and system for doing same
#4 | 2015-08-13Method of lining an inner surface of a tubular and system for doing same
#5 | 2014-03-06Asymmetric lobes for motors and pumps
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