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System integrating video communication and physical sign analysis
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Pulsed sampling-based ion mobility spectrometer and sniffer
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Gas chromatograph-ion mobility spectrometry combined equipment
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Multi-camera multi-face video splicing acquisition device and method thereof
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Gate system for sample detection and method of sample inspection
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Pulsed Sampling-based Ion Mobility Spectrometer And Sniffer
App 20210404988 - ZHANG; Qingjun ; et al. | 2021-12-30 |
Multiple functions ion mobility spectrometer device
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Gas chromatography-ion mobility spectrometry detector and gas chromatograph-ion mobility spectrometer
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Real-time Calibration Device, Real-time Calibration Method And Detection Apparatus
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Wireless Control Method and System, and Apparatus
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Sampling Probe, Automatic Sampling Device, And Container Detection System
App 20210048376 - ZHANG; Qingjun ; et al. | 2021-02-18 |
Gas Chromatograph-ion Mobility Spectrometry Combined Equipment
App 20200240961 - ZHANG; Qingjun ; et al. | 2020-07-30 |
Multi-Camera Multi-Face Video Splicing Acquisition Device and Method Thereof
App 20200234036 - Yu; Jie ; et al. | 2020-07-23 |
System Integrating Video Communication and Physical Sign Analysis
App 20200229699 - Yu; Jie ; et al. | 2020-07-23 |
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 |
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 |
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 |
Darkroom type security inspection apparatus and method
Grant 10,281,431 - Zhang , et al. | 2019-05-07 |
Detection apparatus and detection method
Grant 10,281,432 - Zhang , et al. | 2019-05-07 |
Gas chromatography-ion mobility spectrometry apparatus
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Sample injection device and method for sample collection and sample thermal desorption, and trace detection apparatus
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Sampling device and gas curtain guide
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Sample introduction device
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Ion Migration Tube And Method Of Operating The Same
App 20180190482 - Zhang; Qingjun ; et al. | 2018-07-05 |
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 20170138902 - ZHANG; Qingjun ; et al. | 2017-05-18 |
Darkroom Type Security Inspection Apparatus And Method
App 20170138914 - ZHANG; Qingjun ; et al. | 2017-05-18 |
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 Analyzing Apparatus And Sampling Device
App 20160341695 - Zhang; Qingjun ; et al. | 2016-11-24 |
Sample Introduction Device
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Method, device, and system for carrying point of sale data service over internet protocol network
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Method, Device, and System for Carrying Point of Sale Data Service over Internet Protocol Network
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Method and apparatus for suppressing vibration in vehicle a steering system
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Method and apparatus for suppressing vibration in a vehicle steering system
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