Skien
Norway
3
2011-12-22
The entities that hold a legal rights for patent applications filed by inventor Hoffmann Rainer:
Rainer Hoffmann from Skien, NO has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and device for measuring deposit thickness
#2 | 2011-12-15Method and device for measuring the thickness of any deposit of material on an inner wall of a structure
#3 | 2011-09-29Method for measurement of the thickness of any deposit of material on inner wall of a pipeline
3446394 ⎘