Inventor
LEONCAVALLO RICHARD A
US34 patents
⚠️ This page may combine multiple inventors who share the name “LEONCAVALLO RICHARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NALGE CO INC
15 patentsUS5080232AJan 14, 1992
Test tube rack and retainer
NALGE CO INC124 citations97
US4678576AJul 7, 1987
Reusable filter unit with recoverable filter membrane
NALGE CO INC72 citations96
USD358530SMay 23, 1995
Bike bottle
NALGE CO INC52 citations95
US5328058AJul 12, 1994
Dropper bottle assembly with squeeze cap
NALGE CO INC91 citations95
US5246145ASep 21, 1993
Liquid dropper spout having lockable pivoted closure cap
NALGE CO INC88 citations95
US5603436AFeb 18, 1997
Squeeze bottle and leakproof closure device
NALGE CO INC57 citations93
US4772418ASep 20, 1988
Autoclavable rack container
NALGE CO INC38 citations92
US4689147AAug 25, 1987
Plastic filter assembly
NALGE CO INC53 citations90
USD310264SAug 28, 1990
Cryogenic vial
NALGE CO INC43 citations89
US4898278AFeb 6, 1990
Storage container
NALGE CO INC27 citations88
US4771900ASep 20, 1988
Storage rack for box-like container
NALGE CO INC22 citations81
USD338830SAug 31, 1993
Dropper nozzle and cover assembly
NALGE CO INC6 citations73
US4861466AAug 29, 1989
Pressure filter assembly with bleed valve
NALGE CO INC17 citations73
US4902270AFeb 20, 1990
Centrifuge tube
NALGE CO INC18 citations71
USD297860SSep 27, 1988
Filter unit
NALGE CO INC16 citations70
NALGE NUNC INT CORP
12 patentsUS6305576B1Oct 23, 2001
Cartridge for aseptically holding and dispensing a fluid material, and a container and method for aseptically holding and mixing the fluid material
NALGE NUNC INT CORP140 citations98
USD528921SSep 26, 2006
Water bottle
NALGE NUNC INT CORP66 citations97
USD519380SApr 25, 2006
Water bottle
NALGE NUNC INT CORP67 citations97
US7753240B2Jul 13, 2010
Closure for a liquid container
NALGE NUNC INT CORP30 citations92
US7048137B2May 23, 2006
Drinking container with multilayer leak-proof closure
NALGE NUNC INT CORP31 citations92
US6837400B2Jan 4, 2005
Solvent identification bottle with adjustable dispensing feature
NALGE NUNC INT CORP23 citations92
US6770203B2Aug 3, 2004
Filtering unit having separately attachable filter cassette, filter cassette, and method of filtering
NALGE NUNC INT CORP24 citations91
US6458278B1Oct 1, 2002
Filtering unit having separately attachable filter cassette, filter cassette, and method of filtering
NALGE NUNC INT CORP32 citations91
US6752183B2Jun 22, 2004
Waste funnel system
NALGE NUNC INT CORP13 citations84
USD567650SApr 29, 2008
Collar for a bottle closure
NALGE NUNC INT CORP6 citations73
US6976398B2Dec 20, 2005
Liquid sample collection system
NALGE NUNC INT CORP8 citations71
USD570211SJun 3, 2008
Bottle closure
NALGE NUNC INT CORP1 citations52