Assignee
BRUKER FRANZEN ANALYTIK GMBH
DE·54 granted patents·3,337 citations·filing 1981–1997
Top patents by PatentIndex Score
54 records- 0199US5572035AMethod and device for the reflection of charged particles on surfacesBRUKER FRANZEN ANALYTIK GMBH·Filed 1995·Granted Nov 5, 1996·298 cites·42 claims
- 0298US5763878AMethod and device for orthogonal ion injection into a time-of-flight mass spectrometerBRUKER FRANZEN ANALYTIK GMBH·Filed 1996·Granted Jun 9, 1998·199 cites·17 claims
- 0396US5818055AMethod and device for injection of ions into an ion trapBRUKER FRANZEN ANALYTIK GMBH·Filed 1997·Granted Oct 6, 1998·107 cites·11 claims
- 0496US5468958AQuadrupole ion trap with switchable multipole fractionsBRUKER FRANZEN ANALYTIK GMBH·Filed 1994·Granted Nov 21, 1995·98 cites·13 claims
- 0595US5663561AMethod for the ionization of heavy molecules at atmospheric pressureBRUKER FRANZEN ANALYTIK GMBH·Filed 1996·Granted Sep 2, 1997·114 cites·12 claims
- 0695US5654545AMass resolution in time-of-flight mass spectrometers with reflectorsBRUKER FRANZEN ANALYTIK GMBH·Filed 1996·Granted Aug 5, 1997·118 cites·14 claims
- 0794US5811800ATemporary storage of ions for mass spectrometric analysesBRUKER FRANZEN ANALYTIK GMBH·Filed 1996·Granted Sep 22, 1998·104 cites·20 claims
- 0894US5742049AMethod of improving mass resolution in time-of-flight mass spectrometryBRUKER FRANZEN ANALYTIK GMBH·Filed 1996·Granted Apr 21, 1998·103 cites·8 claims
- 0993US5825026AIntroduction of ions from ion sources into mass spectrometersBRUKER FRANZEN ANALYTIK GMBH·Filed 1997·Granted Oct 20, 1998·97 cites·14 claims
- 1093US5504329AMethod of ionizing atoms or molecules by electrosprayingBRUKER FRANZEN ANALYTIK GMBH·Filed 1995·Granted Apr 2, 1996·155 cites·19 claims
- 1192US5608217AElectrospraying method for mass spectrometric analysisBRUKER FRANZEN ANALYTIK GMBH·Filed 1995·Granted Mar 4, 1997·168 cites·19 claims
- 1292US5373156AMethod and device for the mass-spectrometric examination of fast organic ionsBRUKER FRANZEN ANALYTIK GMBH·Filed 1993·Granted Dec 13, 1994·70 cites·29 claims
- 1391US5641959AMethod for improved mass resolution with a TOF-LD sourceBRUKER FRANZEN ANALYTIK GMBH·Filed 1996·Granted Jun 24, 1997·72 cites·8 claims
- 1491US5505832ADevice and method for mass spectrometric analysis of substance mixtures by coupling capillary electrophoretic separation (CE) with electrospray ionization (ESI)BRUKER FRANZEN ANALYTIK GMBH·Filed 1995·Granted Apr 9, 1996·85 cites·14 claims
- 1590US5828063AMethod for matrix-assisted laser desorption ionizationBRUKER FRANZEN ANALYTIK GMBH·Filed 1997·Granted Oct 27, 1998·66 cites·18 claims
- 1690US5736740AMethod and device for transport of ions in gas through a capillaryBRUKER FRANZEN ANALYTIK GMBH·Filed 1996·Granted Apr 7, 1998·62 cites·10 claims
- 1790US5062935AMethod of vaporizing a sample substanceBRUKER FRANZEN ANALYTIK GMBH·Filed 1989·Granted Nov 5, 1991·120 cites·20 claims
- 1889US5032722AMS-MS time-of-flight mass spectrometerBRUKER FRANZEN ANALYTIK GMBH·Filed 1990·Granted Jul 16, 1991·86 cites·16 claims
- 1988US5747799AMethod and device for the introduction of ions into the gas stream of an aperture to a mass spectrometerBRUKER FRANZEN ANALYTIK GMBH·Filed 1996·Granted May 5, 1998·52 cites·14 claims
- 2088US5739530AMethod and device for the introduction of ions into quadrupole ion trapsBRUKER FRANZEN ANALYTIK GMBH·Filed 1996·Granted Apr 14, 1998·57 cites·17 claims
- 2187US5859433AIon trap mass spectrometer with vacuum-external ion generationBRUKER FRANZEN ANALYTIK GMBH·Filed 1996·Granted Jan 12, 1999·54 cites·10 claims
- 2287US5858043AVirtual impactors with slit shaped nozzles without slit endsBRUKER FRANZEN ANALYTIK GMBH·Filed 1997·Granted Jan 12, 1999·105 cites·6 claims
- 2387US5294797AMethod and apparatus for generating ions from thermally unstable, non-volatile, large molecules, particularly for a mass spectrometer such as a time-of-flight mass spectrometerBRUKER FRANZEN ANALYTIK GMBH·Filed 1992·Granted Mar 15, 1994·66 cites·27 claims
- 2484US5708268AMethod and device for the transport of ions in vacuumBRUKER FRANZEN ANALYTIK GMBH·Filed 1996·Granted Jan 13, 1998·41 cites·10 claims
- 2584US5468957AEjection of ions from ion traps by combined electrical dipole and quadrupole fieldsBRUKER FRANZEN ANALYTIK GMBH·Filed 1994·Granted Nov 21, 1995·42 cites·19 claims
- 2684US4541268AMethod and device for the sampling of trace elements in gases, liquids, solids or in surface layersBRUKER FRANZEN ANALYTIK GMBH·Filed 1982·Granted Sep 17, 1985·50 cites·13 claims
- 2783US5298746AMethod and device for control of the excitation voltage for ion ejection from ion trap mass spectrometersBRUKER FRANZEN ANALYTIK GMBH·Filed 1992·Granted Mar 29, 1994·42 cites·8 claims
- 2881US5710427AMethod for controlling the ion generation rate for mass selective loading of ions in ion trapsBRUKER FRANZEN ANALYTIK GMBH·Filed 1996·Granted Jan 20, 1998·38 cites·10 claims
- 2981US5559325AMethod of automatically controlling the space charge in ion trapsBRUKER FRANZEN ANALYTIK GMBH·Filed 1994·Granted Sep 24, 1996·35 cites·12 claims
- 3081US5528031ACollisionally induced decomposition of ions in nonlinear ion trapsBRUKER FRANZEN ANALYTIK GMBH·Filed 1995·Granted Jun 18, 1996·37 cites·10 claims
- 3180US5654542AMethod for exciting the oscillations of ions in ion traps with frequency mixturesBRUKER FRANZEN ANALYTIK GMBH·Filed 1996·Granted Aug 5, 1997·34 cites·10 claims
- 3280US5028777AMethod for mass-spectroscopic examination of a gas mixture and mass spectrometer intended for carrying out this methodBRUKER FRANZEN ANALYTIK GMBH·Filed 1988·Granted Jul 2, 1991·27 cites·3 claims
- 3379US5595636AMethod for mass spectrometric analysis of samples from electrophoresis platesBRUKER FRANZEN ANALYTIK GMBH·Filed 1995·Granted Jan 21, 1997·51 cites·15 claims
- 3479US5170054AMass spectrometric high-frequency quadrupole cage with overlaid multipole fieldsBRUKER FRANZEN ANALYTIK GMBH·Filed 1991·Granted Dec 8, 1992·33 cites·6 claims
- 3578US5465480AMethod of manufacturing a gating gridBRUKER FRANZEN ANALYTIK GMBH·Filed 1994·Granted Nov 14, 1995·66 cites·10 claims
- 3676US5734161AMethod for time-of-flight mass spectrometry of daughter ionsBRUKER FRANZEN ANALYTIK GMBH·Filed 1996·Granted Mar 31, 1998·30 cites·12 claims
- 3774US5841136ADevice and method for introduction of sample supports into a mass spectrometerBRUKER FRANZEN ANALYTIK GMBH·Filed 1997·Granted Nov 24, 1998·28 cites·7 claims
- 3873US5739529ADevice and method for the improved mass resolution of time-of-flight mass spectrometer with ion reflectorBRUKER FRANZEN ANALYTIK GMBH·Filed 1997·Granted Apr 14, 1998·31 cites·21 claims
- 3973US5283436AGeneration of an exact three-dimensional quadrupole electric field and superposition of a homogeneous electric field in trapping-exciting mass spectrometer (TEMS)BRUKER FRANZEN ANALYTIK GMBH·Filed 1990·Granted Feb 1, 1994·25 cites·28 claims
- 4072US5463218ADetection of very large molecular ions in a time-of-flight mass spectrometerBRUKER FRANZEN ANALYTIK GMBH·Filed 1994·Granted Oct 31, 1995·23 cites·22 claims
- 4171US5869830AExact mass determination with maldi time-of-flight mass spectrometersBRUKER FRANZEN ANALYTIK GMBH·Filed 1997·Granted Feb 9, 1999·24 cites·8 claims
- 4268US5533406AVirtual impactorBRUKER FRANZEN ANALYTIK GMBH·Filed 1995·Granted Jul 9, 1996·44 cites·14 claims
- 4368US5347127AMethod and device for in-phase excitation of ion ejection from ion trap mass spectrometersBRUKER FRANZEN ANALYTIK GMBH·Filed 1992·Granted Sep 13, 1994·19 cites·26 claims
- 4468US5216925AApparatus for non-intrusive continuous and automatic taking of samples, storing and supplying of samples and data for a possible evaluationBRUKER FRANZEN ANALYTIK GMBH·Filed 1989·Granted Jun 8, 1993·21 cites·12 claims
- 4566US5438195AMethod and device for the digital generation of an additional alternating voltage for the resonant excitation of ions in ion trapsBRUKER FRANZEN ANALYTIK GMBH·Filed 1994·Granted Aug 1, 1995·18 cites·19 claims
- 4664US5386113AMethod and device for in-phase measuring of ions from ion trap mass spectrometersBRUKER FRANZEN ANALYTIK GMBH·Filed 1992·Granted Jan 31, 1995·17 cites·34 claims
- 4763US4433982AInput head of a measuring or identification system for chemical agentsBRUKER FRANZEN ANALYTIK GMBH·Filed 1981·Granted Feb 28, 1984·23 cites·22 claims
- 4856US5521379AMethod of selecting reaction paths in ion trapsBRUKER FRANZEN ANALYTIK GMBH·Filed 1994·Granted May 28, 1996·12 cites·14 claims
- 4954US5258057AMethod and apparatus for extracting dissolved, volatile substances from liquids into the vapor phaseBRUKER FRANZEN ANALYTIK GMBH·Filed 1992·Granted Nov 2, 1993·18 cites·19 claims
- 5051US5205178AMethod for non-intrusive continuous and automatic taking of samples, storing and supplying of samples and data for a possible evaluationBRUKER FRANZEN ANALYTIK GMBH·Filed 1992·Granted Apr 27, 1993·18 cites·6 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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