Inventor
SCHWIETERS JOHANNES
DE45 patents
⚠️ This page may combine multiple inventors who share the name “SCHWIETERS JOHANNES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
THERMO FISHER SCIENT BREMEN GMBH
28 patentsUS10408747B2Sep 10, 2019
Gas inlet system for isotope ratio spectrometer
THERMO FISHER SCIENT BREMEN GMBH46 citations97
US10867780B2Dec 15, 2020
Multi detector mass spectrometer and spectrometry method filter
THERMO FISHER SCIENT BREMEN GMBH10 citations74
US10488529B2Nov 26, 2019
Elemental analysis of organic samples
THERMO FISHER SCIENT BREMEN GMBH1 citations73
US11862450B2Jan 2, 2024
Switchable ion guide
THERMO FISHER SCIENT BREMEN GMBH2 citations72
US10403487B2Sep 3, 2019
Quantitative measurements of elemental and molecular species using high mass resolution mass spectrometry
THERMO FISHER SCIENT BREMEN GMBH3 citations72
US10338044B2Jul 2, 2019
Method and apparatus for reducing gas consumption in continuous flow analytical instruments
THERMO FISHER SCIENT BREMEN GMBH3 citations72
US10290486B2May 14, 2019
Determination of isobaric interferences in a mass spectrometer
THERMO FISHER SCIENT BREMEN GMBH3 citations71
US10615016B2Apr 7, 2020
Determining isotope ratios using mass spectrometry
THERMO FISHER SCIENT BREMEN GMBH5 citations70
US10309941B2Jun 4, 2019
Gas inlet system for isotope ratio analyzer and method of determining an isotope ratio
THERMO FISHER SCIENT BREMEN GMBH2 citations70
US10199207B1Feb 5, 2019
Determining isotope ratios using mass spectrometry
THERMO FISHER SCIENT BREMEN GMBH5 citations70
US10192729B2Jan 29, 2019
Apparatus and method for static gas mass spectrometry
THERMO FISHER SCIENT BREMEN GMBH2 citations68
US12243734B2Mar 4, 2025
Switchable ion guide
THERMO FISHER SCIENT BREMEN GMBH0 citations62
US12087567B2Sep 10, 2024
Ion guide with reduced noding effect
THERMO FISHER SCIENT BREMEN GMBH0 citations62
US11728155B2Aug 15, 2023
Ion guide with reduced noding effect
THERMO FISHER SCIENT BREMEN GMBH0 citations62
US11024496B2Jun 1, 2021
Inert non-adsorbing crimpable capillaries and devices for adjusting gas flow in isotope ratio analysis
THERMO FISHER SCIENT BREMEN GMBH0 citations57
US12159778B2Dec 3, 2024
Inert non-adsorbing crimpable capillaries and devices for adjusting gas flow in isotope ratio analysis
THERMO FISHER SCIENT BREMEN GMBH0 citations56
US10312071B2Jun 4, 2019
Dynamic range improvement for isotope ratio mass spectrometry
THERMO FISHER SCIENT BREMEN GMBH1 citations55
US12403426B2Sep 2, 2025
Isotope ratio measurement
THERMO FISHER SCIENT BREMEN GMBH0 citations54
US11583805B2Feb 21, 2023
Isotope ratio measurement
THERMO FISHER SCIENT BREMEN GMBH0 citations54
US11887832B2Jan 30, 2024
Mass spectrometer
THERMO FISHER SCIENT BREMEN GMBH0 citations52
US11574802B2Feb 7, 2023
Mass spectrometer compensating ion beams fluctuations
THERMO FISHER SCIENT BREMEN GMBH0 citations52
US10162062B2Dec 25, 2018
Elemental analysis of organic samples
THERMO FISHER SCIENT BREMEN GMBH0 citations52
US10699890B2Jun 30, 2020
Determination of isobaric interferences in a mass spectrometer
THERMO FISHER SCIENT BREMEN GMBH0 citations51
US10151690B2Dec 11, 2018
Gas inlet system for isotope ratio spectrometer
THERMO FISHER SCIENT BREMEN GMBH0 citations51
US10067100B2Sep 4, 2018
Method and apparatus for preconcentrating a gaseous sample
THERMO FISHER SCIENT BREMEN GMBH0 citations51
US10651023B2May 12, 2020
Methods in mass spectrometry using collision gas as ion source
THERMO FISHER SCIENT BREMEN GMBH0 citations46
US10707065B2Jul 7, 2020
Sample preparation apparatus and method for elemental analysis spectrometer
THERMO FISHER SCIENT BREMEN GMBH0 citations45
US10332735B2Jun 25, 2019
Sample preparation apparatus and method for elemental analysis spectrometer
THERMO FISHER SCIENT BREMEN GMBH0 citations45
THERMO FISHER SCIENT (BREMEN) GMBH
5 patentsUS9766219B2Sep 19, 2017
Gas inlet system for isotope ratio analyzer and method of determining an isotope ratio
THERMO FISHER SCIENT (BREMEN) GMBH8 citations82
US9880287B2Jan 30, 2018
Elemental analysis of organic samples
THERMO FISHER SCIENT (BREMEN) GMBH3 citations73
US9874513B2Jan 23, 2018
Method of measuring isotope ratio
THERMO FISHER SCIENT (BREMEN) GMBH2 citations68
US9472389B2Oct 18, 2016
Ion source assembly for static mass spectrometer
THERMO FISHER SCIENT (BREMEN) GMBH2 citations61
US9818591B2Nov 14, 2017
Mirror lens for directing an ion beam
THERMO FISHER SCIENT (BREMEN) GMBH0 citations52
CALIFORNIA INST OF TECHN
4 patentsUS10665329B2May 26, 2020
High-resolution mass spectrometer and methods for determining the isotopic anatomy of organic and volatile molecules
CALIFORNIA INST OF TECHN1 citations71
US10559457B2Feb 11, 2020
Mass spectrometer, system comprising the same, and methods for determining isotopic anatomy of compounds
CALIFORNIA INST OF TECHN2 citations71
US10186410B2Jan 22, 2019
Mass spectrometer, system comprising the same, and methods for determining isotopic anatomy of compounds
CALIFORNIA INST OF TECHN3 citations71
US9697338B2Jul 4, 2017
High-resolution mass spectrometer and methods for determining the isotopic anatomy of organic and volatile molecules
CALIFORNIA INST OF TECHN3 citations71