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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 506
250/286 Ion beam pulsing means with detector synchronizing means 502
250/282 Methods 2,614
250/294 Static field-type ion path-bending selecting means 172
250/289 With evacuation or sealing means 179
250/285 With plural, simultaneous ion generators 106
250/288 With sample supply means 2,516


Patents under this class:

Patent Number Title Of Patent Date Issued
8710453 Charged particle source with multiple selectable particle emitters Apr. 29, 2014
8710437 Ion generation using wetted porous material Apr. 29, 2014
8710432 Dual source mass spectrometry system Apr. 29, 2014
8710431 Dual source mass spectrometry system Apr. 29, 2014
8704171 Chemical ionization reaction or proton transfer reaction mass spectrometry Apr. 22, 2014
8704168 End cap voltage control of ion traps Apr. 22, 2014
8704167 Mass spectrometry analysis of microorganisms in samples Apr. 22, 2014
8704166 Ion trap type mass spectrometer and mass spectrometry Apr. 22, 2014
8704165 Gene detecting methods without using PCR Apr. 22, 2014
8704164 Mass analysis using alternating fragmentation modes Apr. 22, 2014
8704163 Quadrupole mass spectrometer with enhanced sensitivity and mass resolving power Apr. 22, 2014
8704162 Mass spectrometer Apr. 22, 2014
8704161 Quadrupole mass spectrometer including voltage variable DC and amplitude variable AC Apr. 22, 2014
8692192 Methods and systems for mass spectrometry Apr. 8, 2014
8692191 Mass spectrometer Apr. 8, 2014
8692190 FAIMS having a displaceable electrode for on/off operation Apr. 8, 2014
8692189 Parallel mass analysis Apr. 8, 2014
8692187 Electron transfer dissociation for biopolymer sequence analysis Apr. 8, 2014
8692186 Method and apparatus for leak testing containers Apr. 8, 2014
8686356 Fragmentation methods for mass spectrometry Apr. 1, 2014
8686354 Extraction and detection system and method Apr. 1, 2014
8686353 Apparatus system and method for mass analysis of a sample Apr. 1, 2014
8686352 Systems and computer program products for mass spectrometry Apr. 1, 2014
8686351 Systems and methods for transfer of ions for analysis Apr. 1, 2014
8686349 Methods and systems for matching product ions to precursor ions Apr. 1, 2014
8680463 Linear ion trap for radial amplitude assisted transfer Mar. 25, 2014
8680462 Curved heated ion transfer optics Mar. 25, 2014
8680461 Analytical instrumentation, apparatuses, and methods Mar. 25, 2014
8680460 Converging-diverging supersonic shock disruptor for fluid nebulization and drop fragmentation Mar. 25, 2014
8674299 Mass spectrometric system Mar. 18, 2014
8674298 Quadrupole mass spectrometer Mar. 18, 2014
8674293 Multireflection time-of-flight mass spectrometer Mar. 18, 2014
8674291 Mass spectrometry assay for congenital adrenal hyperplasia Mar. 18, 2014
8669533 Ion induced impact ionization detector and uses thereof Mar. 11, 2014
8669518 Mass spectrometer Mar. 11, 2014
8669517 Mass analysis variable exit aperture Mar. 11, 2014
8668870 Ion mobility spectrometer which controls carrier gas flow to improve detection Mar. 11, 2014
8666681 Mass analysis data analyzing method and mass analysis data analyzing apparatus Mar. 4, 2014
8666667 Hydrocarbon production allocation methods and systems Mar. 4, 2014
8664593 Control of gas flow in high field asymmetric waveform ion mobility spectrometry Mar. 4, 2014
8664592 Time-of-flight mass spectrometer Mar. 4, 2014
8664590 Method of processing image charge/current signals Mar. 4, 2014
8664589 Spectroscopy data display systems and methods Mar. 4, 2014
8664588 Mass spectrometer Mar. 4, 2014
8658972 Ion mobility tube Feb. 25, 2014
8658971 Method of processing mass spectral data Feb. 25, 2014
8658969 Mass spectrometer Feb. 25, 2014
8653450 Microengineered multipole ion guide Feb. 18, 2014
8653448 Method for analyzing glycan structure Feb. 18, 2014
8653447 Chromatograph mass spectrometer Feb. 18, 2014











 
 
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