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Class Information
Number: 250/281
Name: Radiant energy > Ionic separation or analysis
Description: Subject matter comprising (1) means to select an ion of one charge-to-mass ratio from one or more ions of a different charge-to-mass ratio and (2) means to either detect the selected ions or accumulate them, or methods for performing the functions of the means (1) and (2).


Sub-classes under this class:

Class Number Class Name Patents
250/290 Cyclically varying ion selecting field means 274
250/286 Ion beam pulsing means with detector synchronizing means 352
250/282 Methods 1,639
250/294 Static field-type ion path-bending selecting means 127
250/289 With evacuation or sealing means 111
250/285 With plural, simultaneous ion generators 82
250/288 With sample supply means 1,764


Patents under this class:

Patent Number Title Of Patent Date Issued
7622722 Ion implantation device with a dual pumping mode and method thereof Nov. 24, 2009
7622713 Method and apparatus for normalizing performance of an electron source Nov. 24, 2009
7622712 Method for operating an ion trap mass spectrometer system Nov. 24, 2009
7622711 Mass spectrometer Nov. 24, 2009
7619217 High power laser induced acoustic desorption probe Nov. 17, 2009
7619214 Spectrometer chip assembly Nov. 17, 2009
7619213 Ion extraction pulser and method for mass spectrometry Nov. 17, 2009
7619212 Chromatographic analyzer Nov. 17, 2009
7615744 Microengineered nanospray electrode system Nov. 10, 2009
7615743 Overcoming space charge effects in ion cyclotron resonance mass spectrometers Nov. 10, 2009
7615742 Measurement of light fragment ions with ion traps Nov. 10, 2009
7612335 Method and apparatus for ion fragmentation by electron capture Nov. 3, 2009
7608819 Mass spectrometer Oct. 27, 2009
7608818 Compact gas chromatography and ion mobility based sample analysis systems, methods, and devices Oct. 27, 2009
7608817 Adiabatically-tuned linear ion trap with fourier transform mass spectrometry with reduced packet coalescence Oct. 27, 2009
7605377 On-chip reflectron and ion optics Oct. 20, 2009
7605367 Explosives detection using differential mobility spectrometry Oct. 20, 2009
7601952 Method of operating a mass spectrometer to provide resonant excitation ion transfer Oct. 13, 2009
7598499 Charged-particle exposure apparatus Oct. 6, 2009
7598489 Systems and methods for ion mobility control Oct. 6, 2009
7598486 Sample plate for glycoprotein analysis by MALDI mass spectrometry and preparation method of the same Oct. 6, 2009
7595486 RF multipole ion guides for broad mass range Sep. 29, 2009
7595485 Data analysis to provide a revised data set for use in peptide sequencing determination Sep. 29, 2009
7595484 Mass spectrometric method, mass spectrometric system, diagnosis system, inspection system, and mass spectrometric program Sep. 29, 2009
7589321 Reaction cell and mass spectrometer Sep. 15, 2009
7589320 Mass spectrometer Sep. 15, 2009
7589319 Reflector TOF with high resolution and mass accuracy for peptides and small molecules Sep. 15, 2009
7589318 Mass defect triggered information dependent acquisition Sep. 15, 2009
7588944 Method of analyzing C-terminal amino acid sequence of peptide Sep. 15, 2009
7586111 Ion implanter having combined hybrid and double mechanical scan architecture Sep. 8, 2009
7586092 Method and device for non-contact sampling and detection Sep. 8, 2009
7586091 Mass spectrometric system and mass spectrometry Sep. 8, 2009
7586090 Cell structure, device and method for gas analysis Sep. 8, 2009
7586089 Feedback fragmentation in ion trap mass spectrometers Sep. 8, 2009
7586088 Mass spectrometer and method of mass spectrometry Sep. 8, 2009
7583710 Laser and environmental monitoring system Sep. 1, 2009
7582867 Mass spectrometers Sep. 1, 2009
7582866 Ion trap mass spectrometry Sep. 1, 2009
7582865 Two-dimensional ion trap with ramped axial potentials Sep. 1, 2009
7582864 Linear ion trap with an imbalanced radio frequency field Sep. 1, 2009
7582862 Ion source for electron transfer dissociation and deprotonation Sep. 1, 2009
7582861 Mass spectrometer Sep. 1, 2009
7579589 Ultra compact ion mobility based analyzer apparatus, method, and system Aug. 25, 2009
7579587 Thermally assisted membrane introduction mass spectrometry (MIMS) interface and method of use thereof Aug. 25, 2009
7579586 Ion selector Aug. 25, 2009
7577538 Computational method and system for mass spectral analysis Aug. 18, 2009
7576324 Ion detection methods, mass spectrometry analysis methods, and mass spectrometry instrument circuitry Aug. 18, 2009
7576323 Point-of-care mass spectrometer system Aug. 18, 2009
7576321 Multidimensional ion mobility spectrometry apparatus and methods Aug. 18, 2009
7576319 Systems for differential ion mobility analysis Aug. 18, 2009



 
 
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