Inventor · disambiguated record
Albert R. Greenfeld
Also filed as: GREENFELD ALBERT R
4 granted patents·401 citations·filing 1985–1991
83Inventor score
Technology areasA61M
Top patents by PatentIndex Score
4 records- 0180US4698058AUltrasonic self-cleaning catheter system for indwelling drains and medication supplyGREENFELD ALBERT R·Filed 1985·Granted Oct 6, 1987·212 cites·25 claims
- 0256US4906238AExterior antimigration refinements for self-cleaning indwelling therapeutic articlesGREENFELD ALBERT R·Filed 1987·Granted Mar 6, 1990·83 cites·11 claims
- 0344US5271735AExterior antimigration refinements for self-cleaning indwelling therapeutic articlesGREENFELD ALBERT R·Filed 1991·Granted Dec 21, 1993·56 cites·19 claims
- 0437US5061255AExterior antimigration refinements for self-cleaning indwelling therapeutic articlesGREENFELD ALBERT·Filed 1990·Granted Oct 29, 1991·50 cites·41 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →