Inventor · name-matched record
GREFENSTEIN ACHIM
2 granted patents·1 pending application·0 citations·filing 2020–2025
22Inventor score
Files withCONSTANTIA PIRK GMBH & CO KG3
This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.
Top patents by PatentIndex Score
3 records- 0179US2026001307A1Recyclable, Easily Tearable Packaging Laminate Having A Good Barrier Effect And Method For Production ThereofCONSTANTIA PIRK GMBH & CO KG·Filed 2025·Application pending·0 cites
- 0248US12595101B2Paper packaging material with improved resuspendability of cellulosic fibresCONSTANTIA PIRK GMBH & CO KG·Filed 2021·Granted Apr 7, 2026·0 cites·15 claims
- 0343US12577023B2Recyclable paper packaging with high barrier to water vapor and oxygenCONSTANTIA PIRK GMBH & CO KG·Filed 2020·Granted Mar 17, 2026·0 cites·17 claims
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Identity basis: exact name match across USPTO filings. How scoring works →