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Class Information
Number: 250/290
Name: Radiant energy > Ionic separation or analysis > Cyclically varying ion selecting field means
Description: Subject matter wherein the ion selecting means comprises means for varying at regular intervals the direction or magnitude of an electric or magnetic field.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459678 |
Switchable branched ion guide |
Dec. 2, 2008 |
| 7456389 |
High throughput quadrupolar ion trap |
Nov. 25, 2008 |
| 7446310 |
High throughput quadrupolar ion trap |
Nov. 4, 2008 |
| 7442921 |
Protein profiles with atmospheric pressure ionization |
Oct. 28, 2008 |
| 7435953 |
Quadrupole mass filter length selection |
Oct. 14, 2008 |
| 7435950 |
Micromachined field asymmetric ion mobility filter and detection system |
Oct. 14, 2008 |
| 7435951 |
Ion source sample plate illumination system |
Oct. 14, 2008 |
| 7432516 |
Rapid cycling medical synchrotron and beam delivery system |
Oct. 7, 2008 |
| 7429730 |
SIFT-MS instruments |
Sep. 30, 2008 |
| 7425699 |
Mass spectrometry method and apparatus |
Sep. 16, 2008 |
| 7420161 |
Branched radio frequency multipole |
Sep. 2, 2008 |
| 7411187 |
Ion trap in a semiconductor chip |
Aug. 12, 2008 |
| 7411185 |
Atmospheric pressure ionization mass spectrometer system |
Aug. 12, 2008 |
| 7405399 |
Field conditions for ion excitation in linear ion processing apparatus |
Jul. 29, 2008 |
| 7405400 |
Adjusting field conditions in linear ion processing apparatus for different modes of operation |
Jul. 29, 2008 |
| 7399959 |
Method and apparatus for enhanced ion based sample filtering and detection |
Jul. 15, 2008 |
| 7399960 |
Time of flight mass spectrometer |
Jul. 15, 2008 |
| 7391021 |
Ion guides with RF diaphragm stacks |
Jun. 24, 2008 |
| 7388195 |
Apparatus and systems for processing samples for analysis via ion mobility spectrometry |
Jun. 17, 2008 |
| 7388196 |
Hyperbolic horn helical mass spectrometer |
Jun. 17, 2008 |
| 7388197 |
Multiplex data acquisition modes for ion mobility-mass spectrometry |
Jun. 17, 2008 |
| 7385193 |
System and method for implementing balanced RF fields in an ion trap device |
Jun. 10, 2008 |
| 7378648 |
High-resolution ion isolation utilizing broadband waveform signals |
May. 27, 2008 |
| 7378651 |
High field asymmetric waveform ion mobility spectrometer FAIMS |
May. 27, 2008 |
| 7375320 |
Virtual ion trap |
May. 20, 2008 |
| 7368709 |
Low field mobility separation of ions using segmented cylindrical FAIMS |
May. 6, 2008 |
| 7365319 |
Method for providing barrier fields at the entrance and exit end of a mass spectrometer |
Apr. 29, 2008 |
| 7365318 |
System and method for implementing balanced RF fields in an ion trap device |
Apr. 29, 2008 |
| 7365317 |
RF surfaces and RF ion guides |
Apr. 29, 2008 |
| 7361888 |
Method and apparatus for multiplexing plural ion beams to a mass spectrometer |
Apr. 22, 2008 |
| 7361892 |
Method to increase low-energy beam current in irradiation system with ion beam |
Apr. 22, 2008 |
| 7351960 |
Enhanced ion desolvation for an ion mobility spectrometry device |
Apr. 1, 2008 |
| 7351965 |
Rotating excitation field in linear ion processing apparatus |
Apr. 1, 2008 |
| 7351964 |
Ion funnel with extended mass range and reduced conductance limit aperture |
Apr. 1, 2008 |
| 7351961 |
Measuring cell for ion cyclotron resonance spectrometer |
Apr. 1, 2008 |
| 7348554 |
Mass spectrometer |
Mar. 25, 2008 |
| 7342224 |
Obtaining tandem mass spectrometry data for multiple parent ions in an ion population |
Mar. 11, 2008 |
| 7329866 |
Two-dimensional ion trap mass spectrometry |
Feb. 12, 2008 |
| 7326924 |
Method for obtaining high accuracy mass spectra using an ion trap mass analyser and a method for determining and/or reducing chemical shift in mass analysis using an ion trap mass analyser |
Feb. 5, 2008 |
| 7323683 |
Linear ion trap for mass spectrometry |
Jan. 29, 2008 |
| 7312444 |
Atmosperic pressure quadrupole analyzer |
Dec. 25, 2007 |
| 7309861 |
Mass spectrometer |
Dec. 18, 2007 |
| 7288761 |
System and method for trapping ions |
Oct. 30, 2007 |
| 7285774 |
FAIMS apparatus and method for separating ions in the gas phase |
Oct. 23, 2007 |
| 7285773 |
Quadrupole ion trap device and methods of operating a quadrupole ion trap device |
Oct. 23, 2007 |
| 7283937 |
Method, apparatus, and program product for distinguishing valid data from noise data in a data set |
Oct. 16, 2007 |
| 7276689 |
Apparatus for trapping uncharged multi-pole particles |
Oct. 2, 2007 |
| 7265344 |
Mass spectrometry method and apparatus |
Sep. 4, 2007 |
| 7247847 |
Mass spectrometers and methods of ion separation and detection |
Jul. 24, 2007 |
| 7230237 |
Mass spectrometer |
Jun. 12, 2007 |
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