ClassID:

205628

H01J49/4275 - CPC Classification

Classification description:

Particle spectrometers or separator tubes; Mass spectrometers or separator tubes; Dynamic spectrometers; Stability-of-path spectrometers, e.g. monopole, quadrupole, multipole, farvitrons; Methods for controlling ions; Ejection and selection methods Applying a non-resonant auxiliary oscillating voltage, e.g. parametric excitation

Recent Application in this class:
#1
20250329525
2025-10-23

ION SHUTTLING SYSTEM WITH COMPENSATION ELECTRODES FOR ION TRAP

#2
20240213015
2024-06-27

ION SHUTTING SYSTEM WITH COMPENSATION ELECTRODES FOR ION TRAP

#3
20240030019
2024-01-25

Ion shuttling system with compensation electrodes for ion trap

#4
20210082680
2021-03-18

Quadrupole devices

#5
20210082679
2021-03-18

Quadrupole devices

#6
20200111657
2020-04-09

Adjustable multipole assembly for a mass spectrometer

#7
20200020518
2020-01-16

Adjustable multipole assembly for a mass spectrometer

#8
20190122879
2019-04-25

Methods for operating electrostatic trap mass analyzers

#9
20190080892
2019-03-14

High frequency voltage supply control method for multipole or monopole analysers

#10
20180163690
2018-06-14

Pseudo-spectral method to control three-degree-of-freedom wave energy converters

#11
20180061625
2018-03-01

Methods for operating electrostatic trap mass analyzers

#12
20160293393
2016-10-06

High frequency voltage supply control method for multipole or monopole analysers

#13
20130099110
2013-04-25

Mass to charge ratio selective ejection from ion guide having supplemental RF voltage applied thereto

#14
20120145892
2012-06-14

Auxiliary frequency parametric excitation of quadrupole mass spectrometers

#15
20100038530
2010-02-18

Mass spectrometer

#16
20090026363
2009-01-29

Performance enhancement through use of higher stability regions and signal processing in non-ideal quadrupole mass filters

#17
20090014637
2009-01-15

Segmented ion trap mass spectrometer

#18
20050253064
2005-11-17

Method and apparatus for selective axial ejection