Inventor · disambiguated record
Jan Erik Vollebregt
Also filed as: VOLLEBREGT JAN E · VOLLEBREGT JAN ERIK
3 granted patents·1 pending application·98 citations·filing 2003–2006
75Inventor score
Top patents by PatentIndex Score
4 records- 0188US7774917B2Forge welding tubularsTUBEFUSE APPLIC B V·Filed 2006·Granted Aug 17, 2010·23 cites·35 claims
- 0287US6896171B2EMAT weld inspectionSHELL OIL CO·Filed 2003·Granted May 24, 2005·49 cites·11 claims
- 0380US7181821B2Joining expandable tubularsSHELL OIL CO·Filed 2003·Granted Feb 27, 2007·26 cites·29 claims
- 0432US2005252651A1Wellbore device for selective transfer of fluidSHELL OIL CO·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →