Inventor · disambiguated record

Roelof Koopman

Also filed as: KOOPMAN ROELOF

2 granted patents·45 citations·filing 1988–1989

63Inventor score

Technology areasB23K B29C

Files withWAVIN BV2

Top patents by PatentIndex Score

2 records

0175US5108669AProcess and apparatus perforating tubular plastic foil with a laser beamWAVIN BV·Filed 1989·Granted Apr 28, 1992·31 cites·9 claims
0243US4855574AWelding sleeve with connecting means having an upper and lower partWAVIN BV·Filed 1988·Granted Aug 8, 1989·14 cites·7 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →