RAE SYSTEMS, INC.
🏢 View company profile →17Patents
3Active
17Granted
37Portfolio score
Filing activity: May 12, 1993 → May 28, 2021
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6469303B1 | Non-dispersive infrared gas sensor | Physics | 75 | Expired |
| US6509562B1 | Selective photo-ionization detector using ion mobility spectrometry | Physics | 64 | Expired |
| US6333632A | Alternating current discharge ionization detector | Physics | 53 | Expired |
| US6313638A | Dual-channel photo-ionization detector that eliminates the effect of ultraviolet intensity on concentration measurements | Electricity | 36 | Expired |
| US5773833A | Photo-ionization detector for volatile gas measurement | Electricity | 34 | Expired |
| US6320388A | Multiple channel photo-ionization detector for simultaneous and selective measurement of volatile organic compound | Physics | 34 | Expired |
| US6225633A | Photo-ionization detector for volatile gas measurement and a method for self-cleaning the same | Physics | 32 | Expired |
| US5393979A | Photo-ionization detector for detecting volatile organic gases | Physics | 31 | Expired |
| US6967485B1 | Automatic drive adjustment of ultraviolet lamps in photo-ionization detectors | Physics | 15 | Expired |
| US5561344A | Photo-ionization detector for detecting volatile organic gases | Physics | 14 | Expired |
| US6734435B2 | Photo-ionization detector and method for continuous operation and real-time self-cleaning | Physics | 8 | Expired |
| US6661233B2 | Gas analyzer with real-time broadband monitoring and snapshot selective detection | Physics | 7 | Expired |
| US7258773B2 | Solid polymer electrolyte oxygen sensor | Physics | 7 | Expired |
| US7592603B2 | Combined radiation dosimeter and rate meter | Physics | 6 | Expired |
| US11540071B2 | Hearing protection calibration adapter device | Electricity | 1 | Active |
| US11874248B2 | Electrochemical gas sensor assembly | Performing Operations; Transporting | 0 | Active |
| US11650188B2 | Method, apparatus, and system for recovering a sensor from silicone poisoning | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.