JH

Jan Hanna

EA Epiroc Rock Drills Aktiebolag: 3 patents #1 of 15Top 7%
📍 Hässelby, SE: #1 of 6 inventorsTop 20%
Overall (2019): #86,664 of 560,194Top 20%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10415327 Positioning arrangement, rod handling device, drill rig and method for positioning of a drill rod Venugopal Nagaraj 2019-09-17
10392877 Chuck for a drill head of a rotation drilling rig Martin Forsberg, Karolina Årdh 2019-08-27
10174555 Drilling rig and drill head of a drilling rig Martin Forsberg, Jim Gryler 2019-01-08