Inventor · disambiguated record
Teijo Hulkkonen
Also filed as: HULKKONEN TEIJO · HULKKONEN TEIJO JUHANA
3 granted patents·1 pending application·22 citations·filing 1994–2007
62Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0135US5746281AMethod for mounting hard metal buttons in a drill bitROBIT ROCKTOOLS LTD OY·Filed 1994·Granted May 5, 1998·20 cites·9 claims
- 0231US8083010B2Drilling device for drilling and reaming of a holeHULKKONEN TEIJO·Filed 2007·Granted Dec 27, 2011·0 cites·8 claims
- 0331US7124843B2Bit assembly for a hammering drillHULKKONEN TEIJO·Filed 2003·Granted Oct 24, 2006·2 cites·10 claims
- 0422US2001003318A1Drill bitROBIT ROCKTOOLS LTD OY·Filed 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →