Johan Hellgren

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Patents Grantslast 30 patents

Information Patent Grant
Method for adapting the concentration of a sample gas in a gas mixt...
- Patent number 11,982,651
- Issue date May 14, 2024
- Inficon GmbH
- Johan Hellgren
- G01 - MEASURING TESTING
Information Patent Grant
Wide range gas detection using an infrared gas detector
- Patent number 10,866,225
- Issue date Dec 15, 2020
- INFICON Holding AG
- Johan Hellgren
- G01 - MEASURING TESTING
Information Patent Grant
Method for quantifying the amount of optically interfering gas impu...
- Patent number 10,436,708
- Issue date Oct 8, 2019
- Inficon GmbH
- Johan Hellgren
- G01 - MEASURING TESTING
Information Patent Grant
Gas detection using gas modulation
- Patent number 10,352,848
- Issue date Jul 16, 2019
- Inficon GmbH
- Fredrik Enquist
- G01 - MEASURING TESTING
Information Patent Grant
Infrared gas detector with secondary sensor
- Patent number 10,309,943
- Issue date Jun 4, 2019
- Inficon GmbH
- Johan Hellgren
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Method for Adapting the Concentration of a Sample Gas in a Gas Mixt...
- Publication number 20210318271
- Publication date Oct 14, 2021
- INFICON GMBH
- Johan Hellgren
- G01 - MEASURING TESTING
Information Patent Application
Method for Quantifying the Amount of Optically Interfering Gas Impu...
- Publication number 20190041317
- Publication date Feb 7, 2019
- INFICON GMBH
- Johan Hellgren
- G01 - MEASURING TESTING
Information Patent Application
Wide Range Gas Detection Using an Infrared Gas Detector
- Publication number 20190011414
- Publication date Jan 10, 2019
- INFICON GMBH
- Johan Hellgren
- G01 - MEASURING TESTING
Information Patent Application
Infrared Gas Detector with Secondary Sensor
- Publication number 20180321207
- Publication date Nov 8, 2018
- INFICON GMBH
- Johan Hellgren
- G01 - MEASURING TESTING
Information Patent Application
Gas Detection Using Gas Modulation
- Publication number 20180313749
- Publication date Nov 1, 2018
- INFICON GMBH
- Fredrik Enquist
- G01 - MEASURING TESTING