Inventor

NORDFELDT LEIF

SE3 patents

⚠️ This page may combine multiple inventors who share the name “NORDFELDT LEIF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIROC AB

1 patent

US5785360AJul 28, 1998

Thread coupling for drill string elements for percussive drilling

UNIROC AB11 citations63

BERONIUS ALEXANDER

1 patent

US9611694B2Apr 4, 2017

Thread device, thread joint and drill string component for percussive rock drilling

BERONIUS ALEXANDER6 citations59

ATLAS COPCO SECOROC AB

1 patent

US7152699B2Dec 26, 2006

Connection rod and method for production thereof

ATLAS COPCO SECOROC AB2 citations56