Inventor · disambiguated record
Carl Johan Erik Wallgren
Also filed as: WALLGREN CARL JOHAN ERIK
8 granted patents·4 pending applications·154 citations·filing 1999–2020
85Inventor score
Files withWALLGREN CARL JOHAN ERIK5ATLAS COPCO IND TECHNIQUE AB3ATLAS COPCO TOOLS AB3ATLAS COPCO IND TECH AB1
Top patents by PatentIndex Score
12 records- 0191US6390205B2Power tool system with programmable control unitATLAS COPCO TOOLS AB·Filed 1999·Granted May 21, 2002·102 cites·20 claims
- 0280US8316741B2Power tool and a method for use of the power toolWALLGREN CARL JOHAN ERIK·Filed 2008·Granted Nov 27, 2012·16 cites·18 claims
- 0370US8857532B2Method and device for position locked power tool operation for correction of unacceptable screw joint tightening resultsWALLGREN CARL JOHAN ERIK·Filed 2009·Granted Oct 14, 2014·9 cites·13 claims
- 0470US6821157B2Portable tool connected to an operation controlling and /or monitoring unit via a cableATLAS COPCO TOOLS AB·Filed 2001·Granted Nov 23, 2004·19 cites·12 claims
- 0557US7366584B2Power tool system including a multi-core cable with an electronic memory moduleATLAS COPCO TOOLS AB·Filed 2004·Granted Apr 29, 2008·8 cites·4 claims
- 0654US12296444B2Vacuum arrangement for a tightening toolATLAS COPCO IND TECHNIQUE AB·Filed 2020·Granted May 13, 2025·0 cites·16 claims
- 0753US12240096B2Portable socket holder for sockets or bits connectable to a power toolATLAS COPCO IND TECHNIQUE AB·Filed 2020·Granted Mar 4, 2025·0 cites·16 claims
- 0852US10843315B2Method and a power tool for error proof screw joint tighteningATLAS COPCO IND TECHNIQUE AB·Filed 2016·Granted Nov 24, 2020·0 cites·7 claims
- 0944US2008135272A1Battery Energized Portable Power ToolWALLGREN CARL JOHAN ERIK·Filed 2006·Application pending·0 cites
- 1042US2013277078A1Portable electric power tool with radio communication deviceWALLGREN CARL JOHAN ERIK·Filed 2011·Application pending·0 cites
- 1140US2016195868A1A localization system for a movable power toolATLAS COPCO IND TECH AB·Filed 2014·Application pending·0 cites
- 1236US2013324156A1Location system for determining the position of an objectWALLGREN CARL JOHAN ERIK·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →