Inventor · disambiguated record
Hendrikus Van Berk
Also filed as: VAN BERK HENDRIKUS
5 granted patents·72 citations·filing 1982–1999
80Inventor score
Files withBERK HENDRIKUS VAN1GROOT NIJKERK MACHF B V DE1GROOT NIJKERK MACHF BV DE1GROOT NIJKERK MASCHF B V DE1GROOT NIJKERK MASCHINEFABRIEK1
Top patents by PatentIndex Score
5 records- 0171US6550327B1Device for measuring the density of a flowing mediumGROOT NIJKERK MACHF B V DE·Filed 1999·Granted Apr 22, 2003·47 cites·7 claims
- 0237US4470208ADredge with adjustable bottom support for suction pipe and methodBERK HENDRIKUS VAN·Filed 1982·Granted Sep 11, 1984·8 cites·18 claims
- 0328US5979088ADredging installationGROOT NIJKERK MASCHF B V DE·Filed 1998·Granted Nov 9, 1999·6 cites·3 claims
- 0426US6499239B1Method for extracting and grading sandGROOT NIJKERK MACHF BV DE·Filed 1998·Granted Dec 31, 2002·10 cites·3 claims
- 0520US5913604ADredging installationGROOT NIJKERK MASCHINEFABRIEK·Filed 1995·Granted Jun 22, 1999·1 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →