Spectral Sciences, Inc.
32Patents
11Active
32Granted
45Portfolio score
Filing activity: Nov 3, 1982 → Oct 23, 2019 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4953976A | Gas species monitor system | Physics | 131 | Expired |
| US5822058A | Systems and methods for optically measuring properties of hydrocarbon fuel gases | Physics | 82 | Expired |
| US5145645A | Conductive polymer selective species sensor | Emerging Cross-Sectional Technologies | 64 | Expired |
| US4785184A | Infrared trace element detection system | Physics | 51 | Expired |
| US5026991A | Gaseous species absorption monitor | Physics | 50 | Expired |
| US4496839A | System and method for remote detection and identification of chemical species by laser initiated nonresonant infrared spectroscopy | Physics | 44 | Expired |
| US4897551A | Leak detector | Physics | 30 | Expired |
| US5485276A | Multi-pass optical cell species concentration measurement system | Physics | 26 | Expired |
| US5310507A | Method of making a conductive polymer selective species sensor | Physics | 21 | Expired |
| US5459574A | Off-line-locked laser diode species monitor system | Physics | 21 | Expired |
| US6066295A | System and method for remote detection and remediation of airborne and waterborne chemical/biological agents | Physics | 18 | Expired |
| US7680337B2 | Process for finding endmembers in a data set | Physics | 17 | Active |
| US8305575B1 | Adaptive spectral sensor and methods using same | Physics | 17 | Active |
| US4780613A | Infrared species specific emission source | Physics | 15 | Expired |
| US4723438A | Spark spectroscopic high-pressure gas analyzer | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4766318A | Spark discharge trace element detection system | Physics | 13 | Expired |
| US6640199B1 | System and method for optically determining properties of hot fluids from the spectral structure of emitted radiation | Physics | 13 | Expired |
| US6909815B2 | Method for performing automated in-scene based atmospheric compensation for multi-and hyperspectral imaging sensors in the solar reflective spectral region | Physics | 12 | Expired |
| US7337065B2 | Methods for atmospheric correction of solar-wavelength hyperspectral imagery over land | Physics | 10 | Expired |
| US8371102B1 | Combustor control based on fuel modulation and passive optical sensors | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US4627284A | Ultraviolet absorption hygrometer | Physics | 7 | Expired |
| US8697449B2 | Optical blood coagulation monitor and method | Physics | 7 | Active |
| US9042414B2 | External cavity laser source | Electricity | 4 | Active |
| US5062707A | Surface contamination sensor | Physics | 3 | Expired |
| US4782232A | Infrared molecular species monitor | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.