Inventor · disambiguated record

Johannes F. J. Van Der Grift

Also filed as: VAN DER GRIFT JOHANNES F · VAN DER GRIFT JOHANNES F J

2 granted patents·51 citations·filing 1991–1993

65Inventor score

Technology areasG01N

Files withMALLINCKRODT MEDICAL INC1

Top patents by PatentIndex Score

2 records

0158US5444539AMethod of observing liquid for impurities using a transparent container with contrasting colorsFiled 1993·Granted Aug 22, 1995·29 cites·1 claims
0253US5261546AContainer for liquid observed for impuritiesMALLINCKRODT MEDICAL INC·Filed 1991·Granted Nov 16, 1993·22 cites·15 claims

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