Inventor · disambiguated record
Richard A. Leoncavallo
Also filed as: LEONCAVALLO RICHARD · LEONCAVALLO RICHARD A · LEONCAVALLO RICHARD ANTHONY
36 granted patents·1,420 citations·filing 1976–2012
98Inventor score
Top patents by PatentIndex Score
36 records- 0196USD528921SWater bottleNALGE NUNC INT CORP·Filed 2006·Granted Sep 26, 2006·66 cites·1 claims
- 0296USD519380SWater bottleNALGE NUNC INT CORP·Filed 2003·Granted Apr 25, 2006·67 cites·1 claims
- 0394US6305576B1Cartridge for aseptically holding and dispensing a fluid material, and a container and method for aseptically holding and mixing the fluid materialNALGE NUNC INT CORP·Filed 2000·Granted Oct 23, 2001·140 cites·21 claims
- 0493US7753240B2Closure for a liquid containerNALGE NUNC INT CORP·Filed 2006·Granted Jul 13, 2010·30 cites·37 claims
- 0593USD543454SBottle closureNALGE NUNC INTERNAT·Filed 2005·Granted May 29, 2007·64 cites·1 claims
- 0693USD358530SBike bottleNALGE CO INC·Filed 1994·Granted May 23, 1995·52 cites·1 claims
- 0791USD310264SCryogenic vialNALGE CO INC·Filed 1987·Granted Aug 28, 1990·43 cites·1 claims
- 0890US4678576AReusable filter unit with recoverable filter membraneNALGE CO INC·Filed 1985·Granted Jul 7, 1987·72 cites·10 claims
- 0989US5328058ADropper bottle assembly with squeeze capNALGE CO INC·Filed 1993·Granted Jul 12, 1994·91 cites·41 claims
- 1089US5246145ALiquid dropper spout having lockable pivoted closure capNALGE CO INC·Filed 1992·Granted Sep 21, 1993·88 cites·84 claims
- 1187USD539150SFlaskNALGE NUNC INTERNAT·Filed 2005·Granted Mar 27, 2007·40 cites·1 claims
- 1284USD284700STest tube rackSYBRON CORP·Filed 1983·Granted Jul 15, 1986·19 cites·1 claims
- 1383US7048137B2Drinking container with multilayer leak-proof closureNALGE NUNC INT CORP·Filed 2003·Granted May 23, 2006·31 cites·9 claims
- 1483US5080232ATest tube rack and retainerNALGE CO INC·Filed 1991·Granted Jan 14, 1992·124 cites·13 claims
- 1583US4689147APlastic filter assemblyNALGE CO INC·Filed 1985·Granted Aug 25, 1987·53 cites·60 claims
- 1683US4030239AMultiple face dollMATTEL INC·Filed 1976·Granted Jun 21, 1977·36 cites·17 claims
- 1781US8146762B2Flexible container handling systemLEONCAVALLO RICHARD A·Filed 2007·Granted Apr 3, 2012·10 cites·24 claims
- 1879US6770203B2Filtering unit having separately attachable filter cassette, filter cassette, and method of filteringNALGE NUNC INT CORP·Filed 2002·Granted Aug 3, 2004·24 cites·26 claims
- 1977US6837400B2Solvent identification bottle with adjustable dispensing featureNALGE NUNC INT CORP·Filed 2003·Granted Jan 4, 2005·23 cites·18 claims
- 2077US4896783AContainer and cap assemblyMANUFACTURERS HANOVER TRUST CO·Filed 1987·Granted Jan 30, 1990·42 cites·4 claims
- 2176US5603436ASqueeze bottle and leakproof closure deviceNALGE CO INC·Filed 1995·Granted Feb 18, 1997·57 cites·41 claims
- 2276USD297860SFilter unitNALGE CO INC·Filed 1985·Granted Sep 27, 1988·16 cites·1 claims
- 2374US6752183B2Waste funnel systemNALGE NUNC INT CORP·Filed 2001·Granted Jun 22, 2004·13 cites·35 claims
- 2473US8905255B2Flexible container handling systemLEONCAVALLO RICHARD A·Filed 2012·Granted Dec 9, 2014·4 cites·17 claims
- 2569US6976398B2Liquid sample collection systemNALGE NUNC INT CORP·Filed 2003·Granted Dec 20, 2005·8 cites·19 claims
- 2669US6458278B1Filtering unit having separately attachable filter cassette, filter cassette, and method of filteringNALGE NUNC INT CORP·Filed 1999·Granted Oct 1, 2002·32 cites·14 claims
- 2755US4898278AStorage containerNALGE CO INC·Filed 1988·Granted Feb 6, 1990·27 cites·10 claims
- 2854US4894155ASingle membrane disc supporting upper and lower membranesNALGE CMPANY·Filed 1988·Granted Jan 16, 1990·20 cites·8 claims
- 2954US4861466APressure filter assembly with bleed valveNALGE CO INC·Filed 1988·Granted Aug 29, 1989·17 cites·8 claims
- 3054US4772418AAutoclavable rack containerNALGE CO INC·Filed 1986·Granted Sep 20, 1988·38 cites·4 claims
- 3150US4291663ABall throwing machineMATTEL INC·Filed 1980·Granted Sep 29, 1981·20 cites·10 claims
- 3249US4771900AStorage rack for box-like containerNALGE CO INC·Filed 1987·Granted Sep 20, 1988·22 cites·13 claims
- 3348USD338830SDropper nozzle and cover assemblyNALGE CO INC·Filed 1991·Granted Aug 31, 1993·6 cites·1 claims
- 3447USD567650SCollar for a bottle closureNALGE NUNC INT CORP·Filed 2007·Granted Apr 29, 2008·6 cites·1 claims
- 3541US4902270ACentrifuge tubeNALGE CO INC·Filed 1988·Granted Feb 20, 1990·18 cites·10 claims
- 3633USD570211SBottle closureNALGE NUNC INT CORP·Filed 2007·Granted Jun 3, 2008·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →