HACH COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 11396
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 1643
 
  
 
B01L CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE 1147
 
  
 
B01D SEPARATION 9125
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 9438
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 550
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 573
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 4105
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 456
 
  
 
1004 OTHER MEASURING INSTRUMENTS, APPARATUS AND DEVICES432

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0122,922 STORAGE STABLE STANDARDS FOR AQUEOUS CHLORINE ANALYSISOct 28, 16May 04, 17[G01N, B01L]
2016/0161,446 LOW SLOPE PH ELECTRODE WITH CHARGE TRANSFER COMPONENTFeb 09, 16Jun 09, 16[G01N]
2015/0219,612 WATER MONITORING SYSTEMApr 16, 15Aug 06, 15[G06T, G01N]
2015/0192,556 CONTINUOUS TURBIDIMETRIC TOTAL IRON MONITORINGJul 26, 13Jul 09, 15[G01N]
2015/0111,304 CARBON ANALYSIS USING FERRATE OXIDATIONOct 23, 14Apr 23, 15[G01N]
2013/0045,540 METHOD AND APPARATUS FOR CAPTURING AND RETESTING AN ONLINE TOC EXCURSION SAMPLEAug 17, 12Feb 21, 13[G01N, B01L]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D806826 Wall mountable remote indicator for a water systemJun 30, 16Jan 02, 18[2301]
9791430 Measurement of total organic carbonMay 26, 15Oct 17, 17[G01N]
D800001 Water test stripMay 09, 16Oct 17, 17[1004]
9746012 Self-centering vial clampOct 02, 13Aug 29, 17[A61J, B25B, F16B, B01L, A47J]
9746451 Kinetic chlorine measurementApr 02, 15Aug 29, 17[G01N]
9739742 Carbon nanotube sensorNov 12, 14Aug 22, 17[G01N]
9719914 Mobile water analysisOct 02, 15Aug 01, 17[G01N, B01L]
9625295 Doppler measurement instrument and doppler measurement processing methodAug 08, 12Apr 18, 17[G01F]
9625434 Dripless, permanent sealing assembly for containerMay 21, 13Apr 18, 17[B05B, B01L, G01N, B65D, B65B, B67D]
9618495 Carbon quantifying apparatus and methodFeb 08, 11Apr 11, 17[G01N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8508734 Annular optical deviceWithdrawnAug 01, 11Aug 13, 13[G01N]
2013/0166,251 PARTICLE MONITORING WITH SECURE DATA LOGGINGAbandonedDec 23, 11Jun 27, 13[G06F]
2013/0047,749 AUTONOMOUS PROCESS INSTRUMENT FLUSHINGAbandonedAug 24, 12Feb 28, 13[G01N]
2013/0009,781 ANTI-TERRORISM WATER QUALITY MONITORING SYSTEMAbandonedSep 14, 12Jan 10, 13[G08B, G01N, G06F]
2012/0180,554 TOTAL ORGANIC CARBON (TOC) FLUID SENSORAbandonedSep 29, 10Jul 19, 12[G01N]
2011/0125,412 REMOTE MONITORING OF CARBON NANOTUBE SENSORAbandonedNov 23, 10May 26, 11[G06F]
2011/0056,276 ANTI-FOULING SUBMERSIBLE LIQUID SENSOR AND METHODAbandonedSep 09, 09Mar 10, 11[G01N]
2010/0332,149 METHOD AND SYSTEM FOR REMOTE MONITORING OF FLUID QUALITY AND TREATMENTAbandonedSep 02, 10Dec 30, 10[G06F]
7789552 Particulate tester with mixer for analytical applicationExpiredAug 18, 06Sep 07, 10[B01F]
2009/0299,651 FILTRATION TESTING SYSTEMAbandonedMay 29, 08Dec 03, 09[G01N, G06F, G21C]
2009/0032,397 IONIC PROBE INCLUDING AN EXTRUDABLE CONDUCTIVE JUNCTION MATERIALAbandonedOct 14, 08Feb 05, 09[G01N]
2008/0209,652 SYSTEM AND METHOD FOR A SONDE SENSOR CLEANING SYSTEMAbandonedApr 04, 08Sep 04, 08[A46B, A46D]
2008/0120,827 Method for manufacturing a differential pH probeAbandonedSep 06, 06May 29, 08[G01N]
2008/0053,825 Differential pH probe having multiple reference chambersAbandonedSep 06, 06Mar 06, 08[G01N]
2007/0154,353 Sensor element having an anti-fouling material in a smooth surfaceAbandonedJan 03, 06Jul 05, 07[G01N]
2007/0140,921 System and method for shipping a saturated luminescent dissolved oxygen sensorAbandonedDec 20, 05Jun 21, 07[B01L]
2007/0141,695 Luminescent dissolved oxygen sensor with visual verificationAbandonedDec 20, 05Jun 21, 07[C12M]
7033839 Quick acting toxic ammonia test for aqueous samplesExpiredMar 16, 99Apr 25, 06[G01N]
2006/0040,403 System and method for providing a reaction using a limited reaction surface areaAbandonedFeb 08, 05Feb 23, 06[B01L]
2005/0282,286 Method for determining organically bound carbon (TOC)AbandonedJun 03, 05Dec 22, 05[G01N]

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