Inventor · disambiguated record
Johan Jelgert
Also filed as: JELGERT JOHAN
3 granted patents·1 pending application·16 citations·filing 2014–2019
66Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0173US10167688B2Method of disconnecting a drill string at a drill rigSANDVIK INTELLECTUAL PROPERTY·Filed 2014·Granted Jan 1, 2019·6 cites·13 claims
- 0271US9650849B2Drilling rig rod handling apparatusSANDVIK INTELLECTUAL PROPERTY·Filed 2014·Granted May 16, 2017·5 cites·15 claims
- 0367US9745806B2Drill rod gripping apparatusSANDVIK INTELLECTUAL PROPERTY·Filed 2014·Granted Aug 29, 2017·5 cites·14 claims
- 0434US2021115737A1Apparatus for rock handling, rock drilling unit and methodSANDVIK MINING & CONSTRUCTION OY·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →