Essen
Germany
3
2021-09-02
The entities that hold a legal rights for patent applications filed by inventor HAENTJES Michael:
Michael HAENTJES from Essen, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Pickling plant for surface treatment of strip steel
#2 | 2006-03-14Method and device for treating the surfaces of metallic strip material, especially for pickling rolled material
#3 | 2005-01-18Method and device for pickling hot-rolled special steel strips
5178090 ⎘