Inventor · disambiguated record
Leonard Shapiro
Also filed as: SHAPIRO LEONARD · SHAPIRO LEONARD MELVYN
8 granted patents·195 citations·filing 1976–2009
89Inventor score
Top patents by PatentIndex Score
8 records- 0186US4335846AThree-phase decanterPENNWALT CORP·Filed 1981·Granted Jun 22, 1982·46 cites·21 claims
- 0283US4328925AHard surfacing for a centrifuge conveyorPENNWALT CORP·Filed 1980·Granted May 11, 1982·40 cites·18 claims
- 0378US4416656AHard surfacing for a centrifuge conveyorPENNWALT CORP·Filed 1982·Granted Nov 22, 1983·27 cites·11 claims
- 0477US4024148ACrystalline form of quinacridoneSUN CHEMICAL CORP·Filed 1976·Granted May 17, 1977·12 cites·1 claims
- 0574US5354255ADecanter centrifuge with conveyor capable of high speed and higher flow ratesALFA LAVAL SEPARATION INC·Filed 1992·Granted Oct 11, 1994·36 cites·24 claims
- 0666US4654022ARinsing on a solid bowl centrifugePENNWALT CORP·Filed 1986·Granted Mar 31, 1987·22 cites·24 claims
- 0765US8133243B2Device for unblocking an occluded vessel, and a method for unblocking an occluded vesselLUPTON HENRY WILLIAM·Filed 2009·Granted Mar 13, 2012·5 cites·19 claims
- 0841US4761157ACentrifuge apparatusPENNWALT CORP·Filed 1983·Granted Aug 2, 1988·7 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →