Inventor · disambiguated record
Leif Nordfeldt
Also filed as: NORDFELDT LEIF
3 granted patents·19 citations·filing 1995–2012
66Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0165US9611694B2Thread device, thread joint and drill string component for percussive rock drillingBERONIUS ALEXANDER·Filed 2012·Granted Apr 4, 2017·6 cites·19 claims
- 0233US7152699B2Connection rod and method for production thereofATLAS COPCO SECOROC AB·Filed 2004·Granted Dec 26, 2006·2 cites·20 claims
- 0329US5785360AThread coupling for drill string elements for percussive drillingUNIROC AB·Filed 1995·Granted Jul 28, 1998·11 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →