Patent Label 

Products protected by one or more United States and/or International Patents

PRODUCT

PART NO.

US PATENT NO.

CHEMKEY REAGENT FAMILY

Free Chlorine Chemkey® Reagents9429000US9012234, US9052302, US9180449, US9625435,  US9719914, US  9746451,  US10261009, US10215745,  US10309950
Total Chlorine Chemkey Reagents9429100US9012234, US9052302, US9180449, US9625435,  US9719914, US  9746451, US10261009, US10215745,  US10309950 
Monochloramine Chemkey Reagents9429400US9012234, US9052302, US9180449, US9625435, US9719914, US10261009, US10215745, US10309950
Free Ammonia + Monochloramine Chemkey Reagents9429600US9012234, US9052302, US9180449, US9625435, US9719914, US10261009, US10215745, US10309950 
Total Ammonia Chemkey Reagents9425200US9012234, US9052302, US9180449, US9625435, US9719914, US10261009, US10215745, US10309950 
Nitrite Chemkey Reagents9429300US9012234, US9052302, US9180449, US9625435, US9719914, US10261009, US10215745, US10309950 
Copper Chemkey Reagents9429200US9012234, US9052302, US9180449, US9625435, US9719914, US10261009, US10215745, US10309950 
Chlorine Verification Chemkey Reagent9427900US9012234, US9052302, US9180449, US9625435, US9719914, US10261009, US10215745, US10309950 
System Verification Chemkey Reagent9436800US9012234, US9052302, US9180449, US9625435, US9719914, US10261009, US10215745, US10309950 
Low Range Total Alkalinity Chemkey Reagent8636200US9012234, US9052302, US9180449, 
High Range Total Alkalinity Chemkey Reagent8636100US9182353, US9625435,  US9719914, US10126246, US10261009, US10215745,  US10309950 
Hardness Test8636300 8636400US10175163

PORTABLE PARALLEL ANALYZER™ (PPA) Family

SL1000 Colorimeter9430000US9012234, US9052302, US D692335S, US D699134S, US9180449, US9625435, US9719914, US10261009, US10215745, US10309950 

TURBIDIMETERS

TU5 Series TU5200LPV442.99.XXXXXUS8724107, US9323035, US9410882, US9546944, US9638626, US9784669,  US9851297, US10006853, US10126236,    US10281393, US10408729 
TU5 Series TU5300LXV445.99.XXXXX US8724107, US9323035, US9410882, US9546944, US9638626, US9784669,  US9851297, US10006853, US10126236,    US10281393, US10408729 
TU5 Series TU5400LXV445.99.XXXXXUS8724107, US9323035, US9410882, US9546944, US9638626, US9784669,  US9851297, US10006853, US10126236,    US10281393, US10408729 

CHEMISTRIES

TNTplus® Reagent ChemistriesDOC316.53.xxxxx, TNTxxxxUS8925821

SENSORS

Amtax™ sc Ammonia Analyzer6157200, 6157800, 6158400, 9008700US7799202
LDO, LDO2 Dissolved Oxygen Probes6028907, 9020000 family, DS5LDO, LDO101xx family, LXV416.99.xxxxx family, MS5LDO, S5LDOUS6912050, US9329054, US10006863 
Biotector® TOC AnalyzerB7000US6623974, US7556772, US7556773,  US7713479, US8911692, US9289737 
Amtax™ sc Ammonia Analyzer6157200, 6157800, 6158400, 9008700US7799202
DR3900LPV440.99.00002,US8925821, D681231S,  US9927449, US10024803 
LPV440.99.00012
DR6000LPV441.99.00002,US8925821
LPV441.99.00012
CM130CM130.USUS10247635,  D806826 
AV90008531300US9625295
FLO-DAR®   4000-XXXUS9453853 
QBD12009450000US9791430