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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:

Class Number Class Name Patents
250/293 Alternating field ion selecting means 199
250/291 Circular ion path 281
250/292 Laterally resonant ion path 942


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8710430 Mass spectrometry method Apr. 29, 2014
8704168 End cap voltage control of ion traps Apr. 22, 2014
8704172 Excitation of ions in an ICR-cell with structured trapping electrodes Apr. 22, 2014
8704173 Ion cyclotron resonance measuring cells with harmonic trapping potential Apr. 22, 2014
8686350 Multiple ion injection in mass spectrometry Apr. 1, 2014
8686356 Fragmentation methods for mass spectrometry Apr. 1, 2014
8680464 Mass spectrometer Mar. 25, 2014
8674299 Mass spectrometric system Mar. 18, 2014
8669518 Mass spectrometer Mar. 11, 2014
8669519 Methods for detecting reverse triiodothyronine by mass spectrometry Mar. 11, 2014
8664590 Method of processing image charge/current signals Mar. 4, 2014
8664593 Control of gas flow in high field asymmetric waveform ion mobility spectrometry Mar. 4, 2014
8658969 Mass spectrometer Feb. 25, 2014
8658972 Ion mobility tube Feb. 25, 2014
8653448 Method for analyzing glycan structure Feb. 18, 2014
8653447 Chromatograph mass spectrometer Feb. 18, 2014
8648298 Excitation of ions in ICR mass spectrometers Feb. 11, 2014
8642945 Arrangement for a removable ion-optical assembly in a mass spectrometer Feb. 4, 2014
8642947 Mass spectrometer Feb. 4, 2014
8642955 Toroidal ion trap mass analyzer with cylindrical electrodes Feb. 4, 2014
8637817 Multi-pole ion trap for mass spectrometry Jan. 28, 2014
8637816 Systems and methods for MS-MS-analysis Jan. 28, 2014
8637815 Charged particle analysers and methods of separating charged particles Jan. 28, 2014
8633435 Mass spectrometer Jan. 21, 2014
8610053 Inductively coupled plasma MS/MS mass analyzer Dec. 17, 2013
8610055 Mass spectrometer ion trap having asymmetric end cap apertures Dec. 17, 2013
8604419 Dual ion trapping for ion/ion reactions in a linear RF multipole trap with an additional DC gradient Dec. 10, 2013
8598516 Method of mass-spectrometry and a device for its realization Dec. 3, 2013
8586917 Mass spectrometer device and method using scanned phase applied potentials in ion guidance Nov. 19, 2013
8581184 Quadrupole mass spectrometer Nov. 12, 2013
8581185 Ion storage device with direction-selective radial ejection Nov. 12, 2013
8575543 Method for analyzing structure of substance Nov. 5, 2013
8575545 Fixed connection assembly for an RF drive circuit in a mass spectrometer Nov. 5, 2013
8563920 Mass spectrometer Oct. 22, 2013
8563925 Mass spectroscope and its adjusting method Oct. 22, 2013
8546754 Ion trap Oct. 1, 2013
8541737 System and method for collisional activation of charged particles Sep. 24, 2013
8536518 Ion mobility spectrometer to mass spectrometer interface Sep. 17, 2013
8525108 Mass spectrometer Sep. 3, 2013
8525106 Method and apparatus for transmitting ions in a mass spectrometer maintained in a sub-atmospheric pressure regime Sep. 3, 2013
8513592 Ion trap mass spectrometer Aug. 20, 2013
8507846 Step-scan ion trap mass spectrometry for high speed proteomics Aug. 13, 2013
8507852 Apparatus and methods for ion mobility spectrometry Aug. 13, 2013
8492713 Multipole assembly and method for its fabrication Jul. 23, 2013
8492707 Method of detecting pneumocandin compounds Jul. 23, 2013
8487240 Sensor Jul. 16, 2013
8487248 Method and apparatus for frequency-based axial ejection of ions Jul. 16, 2013
8487249 Auxiliary frequency parametric excitation of quadrupole mass spectrometers Jul. 16, 2013
8481929 Lens free collision cell with improved efficiency Jul. 9, 2013
8481921 Tandem ion trapping arrangement Jul. 9, 2013

1 2 3 4 5 6 7 8 9 10 11










 
 
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