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System for integrating multiple chemical sensor data to detect an unmeasured compound |
James Liu, Thomas Negre, Praveen Sharma |
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Yiqing HANG, Hong T. Sun |
2022-07-19 |
| 11300550 |
System for integrating multiple chemical sensor data to detect an unmeasured compound |
James Liu, Thomas Negre, Praveen Sharma |
2022-04-12 |
| 11193909 |
Low power photoionization detector (PID) |
Wei Te YEH, Dan Zhang, Yuhui Xu, Kui Lu |
2021-12-07 |
| 10922943 |
Multi-sensor input analysis for improved safety |
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| 10665077 |
Multi-sensor input analysis for improved safety |
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| 10388137 |
Multi-sensor input analysis for improved safety |
Edukondalu Yarlagadda, Praveen Sharma, Thomas Negre, James Liu, Neal Muggleton +2 more |
2019-08-20 |
| 10089849 |
Wireless mesh network gas detection real time location system |
James Liu, Pengjun Zhao, Kai Ren, Xiaoxiong Li |
2018-10-02 |
| 10055971 |
Safety communicator—convergence of body vitals and toxic gas parameters into smartphone app to enhance safety monitoring |
Gowrishankar M R, Anand Tyagaraj, Shashikant Gulaguli, James Liu, Patrick Gonia +3 more |
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| 9459235 |
Interference compensated photoionization detector |
Prabhu Soundarrajan |
2016-10-04 |
| 7592603 |
Combined radiation dosimeter and rate meter |
Yuzhong Wang |
2009-09-22 |
| 7258773 |
Solid polymer electrolyte oxygen sensor |
Huafang Zhou, Hong T. Sun |
2007-08-21 |
| 6967485 |
Automatic drive adjustment of ultraviolet lamps in photo-ionization detectors |
Wenpeng Hsueh, Weili Yeh, Hong T. Sun |
2005-11-22 |
| 6734435 |
Photo-ionization detector and method for continuous operation and real-time self-cleaning |
Hong T. Sun |
2004-05-11 |
| 6661233 |
Gas analyzer with real-time broadband monitoring and snapshot selective detection |
Wenjun Yang |
2003-12-09 |
| 6509562 |
Selective photo-ionization detector using ion mobility spectrometry |
Wenjun Yang |
2003-01-21 |
| 6469303 |
Non-dispersive infrared gas sensor |
Hong T. Sun |
2002-10-22 |
| 6333632 |
Alternating current discharge ionization detector |
Wenjun Yang |
2001-12-25 |
| 6320388 |
Multiple channel photo-ionization detector for simultaneous and selective measurement of volatile organic compound |
Hong T. Sun |
2001-11-20 |
| 6313638 |
Dual-channel photo-ionization detector that eliminates the effect of ultraviolet intensity on concentration measurements |
Hong T. Sun |
2001-11-06 |
| 6225633 |
Photo-ionization detector for volatile gas measurement and a method for self-cleaning the same |
Hong T. Sun |
2001-05-01 |
| 5773833 |
Photo-ionization detector for volatile gas measurement |
— |
1998-06-30 |
| 5561344 |
Photo-ionization detector for detecting volatile organic gases |
— |
1996-10-01 |
| 5393979 |
Photo-ionization detector for detecting volatile organic gases |
— |
1995-02-28 |