Inventor · disambiguated record
Johannes Akkerman
Also filed as: AKKERMAN JOHANNES
2 granted patents·1 pending application·1 citations·filing 1981–2017
31Inventor score
Files withWAVIN BV3
Top patents by PatentIndex Score
3 records- 0164US10889081B2Multi-layered pipe and a method for forming a multi-layered pipeWAVIN BV·Filed 2017·Granted Jan 12, 2021·1 cites·30 claims
- 0226US2019375180A1A multi-layered pipe and a use of a multi-layered pipeWAVIN BV·Filed 2017·Application pending·0 cites
- 0314US4394501AComposition for preventing plate out in extrusion equipmentWAVIN BV·Filed 1981·Granted Jul 19, 1983·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →