Optical multiphase flow sensor
US7087887B1 · kind B1 · utility
2Cited by
18References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 29, 2003 |
| Grant date | Aug 8, 2006 |
| Priority date | — |
| Expiry date | Mar 25, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/2826
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Waveguide sensors having a side-polished coupling port at the waveguide cladding to sense a material based on material-specific optical attenuation by evanescent coupling at the coupling port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.