Assignee
HACH LANGE GMBH
DE·32 granted patents·23 pending applications·26 citations·filing 2005–2023
Top patents by PatentIndex Score
55 records- 0183US9851297B2Nephelometric turbidimeter and method for detection of the contamination of a sample cuvette of a nephelometric turbidimeterHACH LANGE GMBH·Filed 2013·Granted Dec 26, 2017·5 cites·7 claims
- 0280US10309950B2Test-element for a mobile water analysis arrangementHACH LANGE GMBH·Filed 2017·Granted Jun 4, 2019·1 cites·15 claims
- 0372US10988394B2Cost control of wastewater treatment based on regulatory periodHACH LANGE GMBH·Filed 2015·Granted Apr 27, 2021·4 cites·16 claims
- 0470US12188897B2Adjustment of a pH electrode carbon regionHACH LANGE GMBH·Filed 2023·Granted Jan 7, 2025·0 cites·10 claims
- 0567US7655473B2Method and device for determining the concentration of nitriteHACH LANGE GMBH·Filed 2006·Granted Feb 2, 2010·5 cites·14 claims
- 0666US11209347B2Optical measurement apparatusHACH LANGE GMBH·Filed 2016·Granted Dec 28, 2021·1 cites·13 claims
- 0764US10317383B2Mobile based collection of water quality measurement dataHACH LANGE GMBH·Filed 2015·Granted Jun 11, 2019·1 cites·19 claims
- 0863US7967963B2Wastewater analysis sensor cartridgeHACH LANGE GMBH·Filed 2006·Granted Jun 28, 2011·1 cites·14 claims
- 0962US2024408604A1Analysis preparation cuvette rack unitHACH LANGE GMBH·Filed 2022·Application pending·0 cites
- 1061US2026002922A1Method of determining phosphate concentration in a water sampleHACH LANGE GMBH·Filed 2023·Application pending·0 cites
- 1160USD1036619SHousing for water analyzerHACH LANGE GMBH·Filed 2022·Granted Jul 23, 2024·2 cites·1 claims
- 1260US10261009B2Method for determining an analyte in a water sample by means of a mobile water analysis arrangementHACH LANGE GMBH·Filed 2015·Granted Apr 16, 2019·0 cites·7 claims
- 1360US2025208052A1Photometric process measurement apparatusHACH LANGE GMBH·Filed 2023·Application pending·0 cites
- 1460US2025208051A1Photometric process measurement apparatusHACH LANGE GMBH·Filed 2023·Application pending·0 cites
- 1558US11782020B2Adjustment of a pH electrode carbon regionHACH LANGE GMBH·Filed 2020·Granted Oct 10, 2023·0 cites·10 claims
- 1658US10126236B2Method for detection of the contamination of a sample cuvette of a nephelometric turbidimeterHACH LANGE GMBH·Filed 2017·Granted Nov 13, 2018·0 cites·4 claims
- 1758US2026022960A1Process water analyzerHACH LANGE GMBH·Filed 2023·Application pending·0 cites
- 1858US2026043782A1Process water analyzerHACH LANGE GMBH·Filed 2023·Application pending·0 cites
- 1957US2015051844A1Method for determining a condition indicator of an apparatusHACH LANGE GMBH·Filed 2014·Application pending·0 cites
- 2055USD883114SColorimeterHACH LANGE GMBH·Filed 2018·Granted May 5, 2020·6 cites·1 claims
- 2155US2025020555A1Sample preparation arrangementHACH LANGE GMBH·Filed 2022·Application pending·0 cites
- 2254US2024385580A1Method for verifying the plausibility of sensor information in a plant processHACH LANGE GMBH·Filed 2021·Application pending·0 cites
- 2354US2025012613A1Method for determining a cuvette form correction valueHACH LANGE GMBH·Filed 2022·Application pending·0 cites
- 2453US12372387B2Flow velocity measurement arrangementHACH LANGE GMBH·Filed 2021·Granted Jul 29, 2025·0 cites·17 claims
- 2552US12287260B2Process water analysis sampling arrangementHACH LANGE GMBH·Filed 2021·Granted Apr 29, 2025·0 cites·12 claims
- 2651US12287316B2Water sampling immersion probeHACH LANGE GMBH·Filed 2019·Granted Apr 29, 2025·0 cites·15 claims
- 2751US2024003805A1A process photometer arrangementHACH LANGE GMBH·Filed 2021·Application pending·0 cites
- 2850US2023358671A1Method for determining ammoniumHACH LANGE GMBH·Filed 2021·Application pending·0 cites
- 2948US9638626B2Nephelometric turbidimeter vial arrangementHACH LANGE GMBH·Filed 2015·Granted May 2, 2017·0 cites·20 claims
- 3048US7799202B2Method for determining parameters of a gas-selective electrodeHACH LANGE GMBH·Filed 2005·Granted Sep 21, 2010·0 cites·11 claims
- 3147US10843953B2Turbidimeter sludge measurementHACH LANGE GMBH·Filed 2017·Granted Nov 24, 2020·0 cites·16 claims
- 3247US2024044781A1Multi-wavelength process photometerHACH LANGE GMBH·Filed 2021·Application pending·0 cites
- 3345US11714050B2Method for determining phosphateHACH LANGE GMBH·Filed 2018·Granted Aug 1, 2023·0 cites·14 claims
- 3445US10850211B2Microfluidic process water analyzerHACH LANGE GMBH·Filed 2016·Granted Dec 1, 2020·0 cites·15 claims
- 3545US9410882B2TurbidimeterHACH LANGE GMBH·Filed 2013·Granted Aug 9, 2016·0 cites·10 claims
- 3645US2025341422A1A photometric process measurement arrangement and a photometric measurement methodHACH LANGE GMBH·Filed 2023·Application pending·0 cites
- 3745US2025314526A1A photometric process measurement arrangement and a method for performing a photometric measurementHACH LANGE GMBH·Filed 2023·Application pending·0 cites
- 3845US2025314528A1A photometric process measurement arrangement and a photometric measurement methodHACH LANGE GMBH·Filed 2023·Application pending·0 cites
- 3945US2009095070A1Sludge Level Probe, Sedimentation Plant and Method for Determining the Sludge LevelHACH LANGE GMBH·Filed 2007·Application pending·0 cites
- 4044US12235255B2Method of determining chemical oxygen demand (COD) for high chloride samplesHACH LANGE GMBH·Filed 2019·Granted Feb 25, 2025·0 cites·8 claims
- 4144US9784669B2Nephelometric turbidimeterHACH LANGE GMBH·Filed 2015·Granted Oct 10, 2017·0 cites·11 claims
- 4243US10408729B2Nephelometric turbidimeter and method for controlling the humidity of venting air in a nephelometric turbidimeterHACH LANGE GMBH·Filed 2015·Granted Sep 10, 2019·0 cites·19 claims
- 4342US10718710B2Water analysis deviceHACH LANGE GMBH·Filed 2017·Granted Jul 21, 2020·0 cites·20 claims
- 4442US9546944B2Nephelometric process turbidimeterHACH LANGE GMBH·Filed 2015·Granted Jan 17, 2017·0 cites·9 claims
- 4542US2021333231A1pH MEASUREMENT OF AN AQUEOUS SAMPLEHACH LANGE GMBH·Filed 2020·Application pending·0 cites
- 4640US2024426743A1Cuvette for a photometric measurement of a sample, method for a photometric measurement of a sample, system for a photometric analysis of a sample and method for a photometric analysis of a sampleHACH LANGE GMBH·Filed 2021·Application pending·0 cites
- 4740US2021078006A1A photometer arrangement for determining an analyte in a liquid sample and a method for determining a concentration of an analyte in a liquid sampleHACH LANGE GMBH·Filed 2017·Application pending·0 cites
- 4839US10627336B2Optical measurement deviceHACH LANGE GMBH·Filed 2017·Granted Apr 21, 2020·0 cites·14 claims
- 4939US7854894B2Feed device for liquid samplesHACH LANGE GMBH·Filed 2005·Granted Dec 21, 2010·0 cites·1 claims
- 5039US2005282286A1Method for determining organically bound carbon (TOC)HACH LANGE GMBH·Filed 2005·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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