Inventor · disambiguated record
Karl-Erik Knipstrom
Also filed as: KNIPSTROEM KARL-ERIK · KNIPSTROM KARL-ERIK
3 granted patents·93 citations·filing 1977–1998
74Inventor score
Technology areasB23K
Top patents by PatentIndex Score
3 records- 0184US4142085AMethod for tube weldingELEKTRISKA SVETSNINGS AB·Filed 1977·Granted Feb 27, 1979·48 cites·8 claims
- 0267US4629853AApparatus for the internal welding of pipesESAB AB·Filed 1985·Granted Dec 16, 1986·30 cites·19 claims
- 0348US7150389B1Method and apparatus for friction stir weldingESAB AB·Filed 1998·Granted Dec 19, 2006·15 cites·35 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →