P

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 patents
US10408747B2Sep 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 patents

CALIFORNIA INST OF TECHN

4 patents

SCHWIETERS JOHANNES

2 patents

THERMO FISHER SCIENT BREMEN

1 patent

HATSCHER DEIKE

1 patent

FINNIGAN MAT GMBH

1 patent

THERMO ELECTRON BREMEN GMBH

1 patent

THERMO FINNIGAN MAT GMBH

1 patent

THERMO FISHER SCIENT GMBH

1 patent