Ma; Qiufeng

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ma; Qiufeng.The latest application filed is for "pulsed sampling-based ion mobility spectrometer and sniffer".

Company Profile

27.32.37

Ma; Qiufeng - Beijing CN
MA; Qiufeng - Haidian District Beijing

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Sampling probe, automatic sampling device, and container detection system Grant 11,422,070 - Zhang , et al. August 23, 2	2022-08-23
Decomposition method and apparatus based on basis material combination Grant 11,400,407 - Zhang , et al. August 2, 2	2022-08-02
Trace detection device Grant 11,346,808 - Zhang , et al. May 31, 2	2022-05-31
Pulsed sampling-based ion mobility spectrometer and sniffer Grant 11,346,807 - Zhang , et al. May 31, 2	2022-05-31
Gas chromatograph-ion mobility spectrometry combined equipment Grant 11,320,407 - Zhang , et al. May 3, 2	2022-05-03
Gate system for sample detection and method of sample inspection Grant 11,215,626 - Zhang , et al. January 4, 2	2022-01-04
Pulsed Sampling-based Ion Mobility Spectrometer And Sniffer App 20210404988 - ZHANG; Qingjun ; et al.	2021-12-30
Gas purifying device and ion migration spectrometer Grant 11,193,860 - Zhang , et al. December 7, 2	2021-12-07
Gas Purifying Device And Ion Migration Spectrometer App 20210215582 - ZHANG; Qingjun ; et al.	2021-07-15
Multiple functions ion mobility spectrometer device Grant 11,022,581 - Zhang , et al. June 1, 2	2021-06-01
Gas chromatography-ion mobility spectrometry detector and gas chromatograph-ion mobility spectrometer Grant 10,989,689 - Zhang , et al. April 27, 2	2021-04-27
Real-time Calibration Device, Real-time Calibration Method And Detection Apparatus App 20210118656 - Zhang; Qingjun ; et al.	2021-04-22
Article Inspection System And Method, Electronic Device, Storage Medium App 20210055267 - ZHANG; Qingjun ; et al.	2021-02-25
Sampling Probe, Automatic Sampling Device, And Container Detection System App 20210048376 - ZHANG; Qingjun ; et al.	2021-02-18
Trace Detection Device App 20210025849 - ZHANG; Qingjun ; et al.	2021-01-28
Wiping-type sample sampling and feeding device, card reading apparatus, and gate machine apparatus Grant 10,794,923 - Zhang , et al. October 6, 2	2020-10-06
Gathering and sampling device and inspection apparatus Grant 10,782,211 - Zhang , et al. Sept	2020-09-22
Scrubbing and sampling device, card reader apparatus and gate apparatus Grant 10,775,278 - Zhang , et al. September 15, 2	2020-09-15
Gas Chromatograph-ion Mobility Spectrometry Combined Equipment App 20200240961 - ZHANG; Qingjun ; et al.	2020-07-30
Multiple Functions Ion Mobility Spectrometer Device App 20200209192 - ZHANG; Qingjun ; et al.	2020-07-02
Preparation and feed apparatus of standard sample for calibration of trace-analysis instrument Grant 10,699,887 - Zhang , et al.	2020-06-30
Device for collecting semi-volatile or non-volatile substrate Grant 10,663,429 - Zhang , et al.	2020-05-26
Gas Path Flow Monitoring Apparatus And Method For Ion Mobility Spectrometer App 20200150086 - ZHANG; Qingjun ; et al.	2020-05-14
Sampling Tube Bundle, Sampling Analysis Device And Preparation Method Of Sampling Tube Bundle App 20200110056 - CHEN; Zhiqiang ; et al.	2020-04-09
Detection apparatus and detection method Grant 10,539,531 - Zhang , et al. Ja	2020-01-21
Ion migration tube and method of operating the same Grant 10,535,509 - Zhang , et al. Ja	2020-01-14
Sample collecting and introducing device and detection system Grant 10,520,402 - Zhang , et al. Dec	2019-12-31
Gate System For Sample Detection And Method Of Sample Inspection App 20190346472 - ZHANG; Qingjun ; et al.	2019-11-14
Detection apparatus and detection method Grant 10,429,348 - Zhang , et al. October 1, 2	2019-10-01
Darkroom type security inspection apparatus and method Grant 10,408,804 - Zhang , et al. Sept	2019-09-10
Detection Apparatus And Detection Method App 20190234904 - Zhang; Qingjun ; et al.	2019-08-01
Detection Apparatus And Detection Method App 20190234905 - Zhang; Qingjun ; et al.	2019-08-01
Gas Chromatography-ion Mobility Spectrometry Detector And Gas Chromatograph-ion Mobility Spectrometer App 20190204270 - ZHANG; Qingjun ; et al.	2019-07-04
Sampling Adsorber, Heat Desorption Chamber Device, Sampling Apparatus And Analyzer Apparatus App 20190204188 - ZHANG; Qingjun ; et al.	2019-07-04
Device For Collecting Semi-volatile Or Non-volatile Substrate App 20190204271 - ZHANG; Qingjun ; et al.	2019-07-04
Sample Collecting And Introducing Device And Detection System App 20190195751 - ZHANG; Qingjun ; et al.	2019-06-27
Decomposition Method and Apparatus Based on Basis Material Combination App 20190193017 - ZHANG; Qingjun ; et al.	2019-06-27
Detection apparatus and detection method Grant 10,281,432 - Zhang , et al.	2019-05-07
Darkroom type security inspection apparatus and method Grant 10,281,431 - Zhang , et al.	2019-05-07
Ion mobility spectrometer Grant 10,276,359 - Zhang , et al.	2019-04-30
Gas chromatography-ion mobility spectrometry apparatus Grant 10,234,436 - Zhang , et al.	2019-03-19
Sample injection device and method for sample collection and sample thermal desorption, and trace detection apparatus Grant 10,215,666 - Zhang , et al. Feb	2019-02-26
Sampling device and gas curtain guide Grant 10,151,671 - Zhang , et al. Dec	2018-12-11
Sample introduction device Grant 10,032,616 - Zhang , et al. July 24, 2	2018-07-24
Wiping-type Sample Sampling And Feeding Device, Card Reading Apparatus, And Gate Machine Apparatus App 20180196078 - ZHANG; Qingjun ; et al.	2018-07-12
Ion Migration Tube And Method Of Operating The Same App 20180190482 - Zhang; Qingjun ; et al.	2018-07-05
Gathering And Sampling Device And Inspection Apparatus App 20180188138 - Zhang; Qingjun ; et al.	2018-07-05
Ion Mobility Spectrometer App 20180182606 - Zhang; Qingjun ; et al.	2018-06-28
Scrubbing And Sampling Device, Card Reader Apparatus And Gate Apparatus App 20180164194 - ZHANG; Qingjun ; et al.	2018-06-14
Gas Chromatography-ion Mobility Spectrometry Apparatus App 20180164262 - ZHANG; Qingjun ; et al.	2018-06-14
Preparation And Feed Apparatus Of Standard Sample For Calibration Of Trace-analysis Instrument App 20180158659 - ZHANG; Qingjun ; et al.	2018-06-07
Gas analyzing apparatus and sampling device Grant 9,772,306 - Zhang , et al. September 26, 2	2017-09-26
Sample Injection Device And Method For Sample Collection And Sample Thermal Desorption, And Trace Detection Apparatus App 20170176299 - ZHANG; Qingjun ; et al.	2017-06-22
Darkroom Type Security Inspection Apparatus And Method App 20170138914 - ZHANG; Qingjun ; et al.	2017-05-18
Darkroom Type Security Inspection Apparatus And Method App 20170138902 - ZHANG; Qingjun ; et al.	2017-05-18
General sample injector, gas chromatograph and combined spectrometer Grant 9,618,484 - Zhang , et al. April 11, 2	2017-04-11
Detection Apparatus And Detection Method App 20170016856 - Zhang; Qingjun ; et al.	2017-01-19
Sampling Device And Gas Curtain Guide App 20160356679 - Zhang; Qingjun ; et al.	2016-12-08
Gas chromatograph-ion mobility spectrometer system Grant 9,513,266 - Zhang , et al. December 6, 2	2016-12-06
Gas Analyzing Apparatus And Sampling Device App 20160341695 - Zhang; Qingjun ; et al.	2016-11-24
Sample Introduction Device App 20160189945 - ZHANG; Qingjun ; et al.	2016-06-30
Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage medium Grant 9,337,626 - Zhang , et al. May 10, 2	2016-05-10
High purity germanium detector Grant 9,261,610 - Zhang , et al. February 16, 2	2016-02-16
Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage medium Grant 9,231,383 - Zhang , et al. January 5, 2	2016-01-05
High Purity Germanium Detector App 20150219773 - Zhang; Qingjun ; et al.	2015-08-06
General Sample Injector, Gas Chromatograph And Combined Spectrometer App 20150185189 - ZHANG; Qingjun ; et al.	2015-07-02
Gas Chromatograph-ion Mobility Spectrometer System App 20150185190 - ZHANG; Qingjun ; et al.	2015-07-02
Corona Discharge Assembly, Ion Mobility Spectrometer, Computer Program And Computer Readable Storage Medium App 20150188295 - Zhang; Qingjun ; et al.	2015-07-02
Corona Discharge Assembly, Ion Mobility Spectrometer, Computer Program And Computer Readable Storage Medium App 20150188296 - ZHANG; Qingjun ; et al.	2015-07-02

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