Helga Guthmann

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Grevenbroich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of determining chemical oxygen demand (COD) for high chlorid...
- Patent number 12,235,255
- Issue date Feb 25, 2025
- Hach Lange GmbH
- Isabel Hünig
- G01 - MEASURING TESTING
Information Patent Grant
Method of using cuvette package with RFID parameter transponder and...
- Patent number 9,927,449
- Issue date Mar 27, 2018
- HACH LANCE GMBH
- Gabriel Rueeck
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF DETERMINING CHEMICAL OXYGEN DEMAND (COD) FOR HIGH CHLORID...
- Publication number 20210270794
- Publication date Sep 2, 2021
- Hach Lange GmbH
- Isabel Hunig
- G01 - MEASURING TESTING
Information Patent Application
LIQUID ANALYSIS SYSTEM
- Publication number 20120244628
- Publication date Sep 27, 2012
- Hach Lange GmbH
- Gabriel Rueeck
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL