Inventor · disambiguated record
Johannes E. Steenhuisen
Also filed as: STEENHUISEN JOHANNES E
4 granted patents·55 citations·filing 1983–1989
75Inventor score
Files withDUPHAR INT RES4
Top patents by PatentIndex Score
4 records- 0155US4798671ADevice for inward suction of liquidDUPHAR INT RES·Filed 1987·Granted Jan 17, 1989·19 cites·9 claims
- 0240US4475903ADisposable hypodermic syringeDUPHAR INT RES·Filed 1983·Granted Oct 9, 1984·30 cites·7 claims
- 0325US5041218AWater purification set and chemicals unit thereforDUPHAR INT RES·Filed 1989·Granted Aug 20, 1991·1 cites·5 claims
- 0425US4801012AHolder for a plurality of syringesDUPHAR INT RES·Filed 1987·Granted Jan 31, 1989·5 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →