Patents Assigned to Ionsense
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Patent number: 9390899Abstract: In various embodiments of the invention, a cargo container can be monitored at appropriate time intervals to determine that no controlled substances have been shipped with the cargo in the container. The monitoring utilizes reactive species produced from an atmospheric analyzer to ionize analyte molecules present in the container which are then analyzed by an appropriate spectroscopy system. In an embodiment of the invention, a sorbent surface can be used to absorb, adsorb or condense analyte molecules within the container whereafter the sorbent surface can be interrogated with the reactive species to generate analyte species characteristic of the contents of the container.Type: GrantFiled: September 22, 2014Date of Patent: July 12, 2016Assignee: IONSENSE, INC.Inventor: Brian D Musselman
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Patent number: 9337007Abstract: The present invention is directed to a method and device to generate a chemical signature for a mixture of analytes. The present invention involves using a SPME surface to one or both absorb and adsorb the mixture of analytes. In an embodiment of the invention, the surface is then exposed to different temperature ionizing species chosen with appropriate spatial resolution to desorb a chemical signature for the mixture of analytes.Type: GrantFiled: June 14, 2015Date of Patent: May 10, 2016Assignee: IONSENSE, INC.Inventor: Brian D Musselman
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Publication number: 20160042931Abstract: The present invention is directed to a method and device to desorb an analyte using heat to allow desorption of the analyte molecules, where the desorbed analyte molecules are ionized with ambient temperature ionizing species. In various embodiments of the invention a current is passed through a mesh upon which the analyte molecules are present. The current heats the mesh and results in desorption of the analyte molecules which then interact with gas phase metastable neutral molecules or atoms to form analyte ions characteristic of the analyte molecules.Type: ApplicationFiled: October 6, 2015Publication date: February 11, 2016Applicant: IONSENSE INC.Inventors: Jordan Krechmer, Brian D. Musselman
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Patent number: 9224587Abstract: The present invention is directed to a method and device to desorb an analyte using heat to allow desorption of the analyte molecules, where the desorbed analyte molecules are ionized with ambient temperature ionizing species. In various embodiments of the invention a current is passed through a mesh upon which the analyte molecules are present. The current heats the mesh and results in desorption of the analyte molecules which then interact with gas phase metastable neutral molecules or atoms to form analyte ions characteristic of the analyte molecules.Type: GrantFiled: January 5, 2015Date of Patent: December 29, 2015Assignee: IONSENSE, INC.Inventors: Jordan Krechmer, Brian D Musselman
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Publication number: 20150364310Abstract: The present invention is directed to a method and device to generate a chemical signature for a mixture of analytes. The present invention involves using a SPME surface to one or both absorb and adsorb the mixture of analytes. In an embodiment of the invention, the surface is then exposed to different temperature ionizing species chosen with appropriate spatial resolution to desorb a chemical signature for the mixture of analytes.Type: ApplicationFiled: June 14, 2015Publication date: December 17, 2015Applicant: IONSENSE INC.Inventor: BRIAN D. MUSSELMAN
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Patent number: 9105435Abstract: This invention provides for the efficient positioning of a sample to be analyzed by using either magnetic or electro-mechanical fields to retain the sample in the ionization region. In an embodiment of the present invention, the sample is contacted with a sampler device, which is inserted into a chamber and accurately positioned using electro-mechanical devices. In an embodiment of the invention, the influence of an electro-mechanical field on the sampler device enables the sample to be positioned in the ionization region to be contacted by particles that result in ionization of the sample whereby rendering the resulting ions available for analysis.Type: GrantFiled: October 31, 2014Date of Patent: August 11, 2015Assignee: IONSENSE INC.Inventor: Brian D Musselman
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Publication number: 20150206730Abstract: The present invention is directed to a method and device to desorb an analyte using heat to allow desorption of the analyte molecules, where the desorbed analyte molecules are ionized with ambient temperature ionizing species. In various embodiments of the invention a current is passed through a mesh upon which the analyte molecules are present. The current heats the mesh and results in desorption of the analyte molecules which then interact with gas phase metastable neutral molecules or atoms to form analyte ions characteristic of the analyte molecules.Type: ApplicationFiled: January 5, 2015Publication date: July 23, 2015Applicant: IONSENSE INC.Inventors: Jordan Krechmer, Brian D. Musselman
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Patent number: 8963101Abstract: The present invention is directed to a method and device to desorb an analyte using heat to allow desorption of the analyte molecules, where the desorbed analyte molecules are ionized with ambient temperature ionizing species. In various embodiments of the invention a current is passed through a mesh upon which the analyte molecules are present. The current heats the mesh and results in desorption of the analyte molecules which then interact with gas phase metastable neutral molecules or atoms to form analyte ions characteristic of the analyte molecules.Type: GrantFiled: August 8, 2014Date of Patent: February 24, 2015Assignee: Ionsense, Inc.Inventors: Jordan Krechmer, Brian D. Musselman
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Publication number: 20150008315Abstract: In various embodiments of the invention, a cargo container can be monitored at appropriate time intervals to determine that no controlled substances have been shipped with the cargo in the container. The monitoring utilizes reactive species produced from an atmospheric analyzer to ionize analyte molecules present in the container which are then analyzed by an appropriate spectroscopy system. In an embodiment of the invention, a sorbent surface can be used to absorb, adsorb or condense analyte molecules within the container whereafter the sorbent surface can be interrogated with the reactive species to generate analyte species characteristic of the contents of the container.Type: ApplicationFiled: September 22, 2014Publication date: January 8, 2015Applicant: IONSENSE, INCInventor: BRIAN D. MUSSELMAN
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Patent number: 8901488Abstract: This invention provides for the efficient positioning of a sample to be analyzed by using either magnetic or electro-mechanical fields to retain the sample in the ionization region. In an embodiment of the present invention, the sample is contacted with a sampler device, which is inserted into a chamber and accurately positioned using electro-mechanical devices. In an embodiment of the invention, the influence of an electro-mechanical field on the sampler device enables the sample to be positioned in the ionization region to be contacted by particles that result in ionization of the sample whereby rendering the resulting ions available for analysis.Type: GrantFiled: April 18, 2012Date of Patent: December 2, 2014Assignee: Ionsense, Inc.Inventor: Brian D. Musselman
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Publication number: 20140346348Abstract: The present invention is directed to a method and device to desorb an analyte using heat to allow desorption of the analyte molecules, where the desorbed analyte molecules are ionized with ambient temperature ionizing species. In various embodiments of the invention a current is passed through a mesh upon which the analyte molecules are present. The current heats the mesh and results in desorption of the analyte molecules which then interact with gas phase metastable neutral molecules or atoms to form analyte ions characteristic of the analyte molecules.Type: ApplicationFiled: August 8, 2014Publication date: November 27, 2014Applicant: IONSENSE INC.Inventors: Jordan Krechmer, Brian D. Musselman
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Patent number: 8895916Abstract: In various embodiments of the invention, a cargo container can be monitored at appropriate time intervals to determine that no controlled substances have been shipped with the cargo in the container. The monitoring utilizes reactive species produced from an atmospheric analyzer to ionize analyte molecules present in the container which are then analyzed by an appropriate spectroscopy system. In an embodiment of the invention, a sorbent surface can be used to absorb, adsorb or condense analyte molecules within the container whereafter the sorbent surface can be interrogated with the reactive species to generate analyte species characteristic of the contents of the container.Type: GrantFiled: May 16, 2014Date of Patent: November 25, 2014Assignee: Ionsense, Inc.Inventor: Brian D Musselman
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Publication number: 20140246578Abstract: In various embodiments of the invention, a cargo container can be monitored at appropriate time intervals to determine that no controlled substances have been shipped with the cargo in the container. The monitoring utilizes reactive species produced from an atmospheric analyzer to ionize analyte molecules present in the container which are then analyzed by an appropriate spectroscopy system. In an embodiment of the invention, a sorbent surface can be used to absorb, adsorb or condense analyte molecules within the container whereafter the sorbent surface can be interrogated with the reactive species to generate analyte species characteristic of the contents of the container.Type: ApplicationFiled: May 16, 2014Publication date: September 4, 2014Applicant: IONSENSE, INCInventor: BRIAN D. MUSSELMAN
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Patent number: 8822949Abstract: The present invention is directed to a method and device to desorb an analyte using heat to allow desorption of the analyte molecules, where the desorbed analyte molecules are ionized with ambient temperature ionizing species. In various embodiments of the invention a current is passed through a mesh upon which the analyte molecules are present. The current heats the mesh and results in desorption of the analyte molecules which then interact with gas phase metastable neutral molecules or atoms to form analyte ions characteristic of the analyte molecules.Type: GrantFiled: February 2, 2012Date of Patent: September 2, 2014Assignee: Ionsense Inc.Inventors: Jordan Krechmer, Brian D. Musselman
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Patent number: 8754365Abstract: The present invention is directed to a method and device to desorb an analyte using heat to allow desorption of the analyte molecules, where the desorbed analyte molecules are ionized with ambient temperature ionizing species. In various embodiments of the invention a current is passed through a mesh upon which the analyte molecules are present. The current heats the mesh and results in desorption of the analyte molecules which then interact with gas phase metastable neutral molecules or atoms to form analyte ions characteristic of the analyte molecules.Type: GrantFiled: March 12, 2013Date of Patent: June 17, 2014Assignee: Ionsense, Inc.Inventors: Jordan Krechmer, Brian D. Musselman
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Patent number: 8729496Abstract: In various embodiments of the invention, a cargo container can be monitored at appropriate time intervals to determine that no controlled substances have been shipped with the cargo in the container. The monitoring utilizes reactive species produced from an atmospheric analyzer to ionize analyte molecules present in the container which are then analyzed by an appropriate spectroscopy system. In an embodiment of the invention, a sorbent surface can be used to absorb, adsorb or condense analyte molecules within the container whereafter the sorbent surface can be interrogated with the reactive species to generate analyte species characteristic of the contents of the container.Type: GrantFiled: March 15, 2013Date of Patent: May 20, 2014Assignee: Ionsense, Inc.Inventor: Brian D. Musselman
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Publication number: 20140027630Abstract: In various embodiments of the invention, a cargo container can be monitored at appropriate time intervals to determine that no controlled substances have been shipped with the cargo in the container. The monitoring utilizes reactive species produced from an atmospheric analyzer to ionize analyte molecules present in the container which are then analyzed by an appropriate spectroscopy system. In an embodiment of the invention, a sorbent surface can be used to absorb, adsorb or condense analyte molecules within the container whereafter the sorbent surface can be interrogated with the reactive species to generate analyte species characteristic of the contents of the container.Type: ApplicationFiled: March 15, 2013Publication date: January 30, 2014Applicant: IONSENSE, INC.Inventor: Brian D. Musselman
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Publication number: 20130280812Abstract: The present invention is directed to a method and device to desorb an analyte using heat to allow desorption of the analyte molecules, where the desorbed analyte molecules are ionized with ambient temperature ionizing species. In various embodiments of the invention a current is passed through a mesh upon which the analyte molecules are present. The current heats the mesh and results in desorption of the analyte molecules which then interact with gas phase metastable neutral molecules or atoms to form analyte ions characteristic of the analyte molecules.Type: ApplicationFiled: March 12, 2013Publication date: October 24, 2013Applicant: IONSENSE INC.Inventors: Jordan Krechmer, Brian D. Musselman
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Patent number: 8563945Abstract: In various embodiments of the invention, a cargo container can be monitored at appropriate time intervals to determine that no controlled substances have been shipped with the cargo in the container. The monitoring utilizes reactive species produced from an atmospheric analyzer to ionize analyte molecules present in the container which are then analyzed by an appropriate spectroscopy system. In an embodiment of the invention, a sorbent surface can be used to absorb, adsorb or condense analyte molecules within the container whereafter the sorbent surface can be interrogated with the reactive species to generate analyte species characteristic of the contents of the container.Type: GrantFiled: June 22, 2012Date of Patent: October 22, 2013Assignee: Ionsense, Inc.Inventor: Brian D. Musselman
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Patent number: 8558170Abstract: In various embodiments of the invention, a device permits more efficient collection and transmission of ions produced by the action of a carrier gas containing metastable neutral excited-state species into a mass spectrometer. In one embodiment of the invention, the device incorporates the source for ionization in combination with a jet separator to efficiently remove excess carrier gas while permitting ions to be more efficiently transferred into the vacuum chamber of the mass spectrometer. In an embodiment of the invention, improved collection of ions produced by the carrier gas containing metastable neutral excited-state species at greater distances from between the position of the analyte and the position of the mass spectrometer are enabled.Type: GrantFiled: March 12, 2013Date of Patent: October 15, 2013Assignee: Ionsense, Inc.Inventor: Brian D. Musselman