G01D 5/35387
Using wavelength division multiplexing
Official title: {using wavelength division multiplexing}
G01D5/35387 (Using wavelength division multiplexing) appears on 101 US grants and 109 published applications in this corpus.
Search patents in G01D- Granted patents
- 101
- Published applications
- 109
- Assignees
- 81
- Inventors
- 267
- Latest grant
- 13 Jan 2026
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| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 3 | 2 |
| 2004 | 4 | 6 |
| 2005 | 2 | 0 |
| 2006 | 2 | 6 |
| 2007 | 3 | 5 |
| 2008 | 2 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 4 |
| 2011 | 2 | 4 |
| 2012 | 3 | 5 |
| 2013 | 3 | 8 |
| 2014 | 10 | 11 |
| 2015 | 6 | 9 |
| 2016 | 11 | 9 |
| 2017 | 8 | 3 |
| 2018 | 9 | 5 |
| 2019 | 7 | 8 |
| 2020 | 3 | 2 |
| 2021 | 1 | 3 |
| 2022 | 5 | 5 |
| 2023 | 1 | 2 |
| 2024 | 5 | 4 |
| 2025 | 4 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Bragg wavelength spectral interrogation device18 Jul 2024US 2024/0240973 A1Safran
Most cited
By later US patents
- Transverse strain measurements using fiber optic grating based sensors77US 5,828,059 A1998
- Interleaved aliased AWG filter for continuous wideband wavelength discrimination37US 9,110,259 B1Intelligent Fiber Optic Systems, Inc. · 2015
- Fibre optic distributed sensing22US 9,435,668 B2Optasense Holdings Limited · 2016
- Multifiber interrogation with reflectometry techniques21US 10,067,030 B2Schlumberger Technology Corporation · 2018
- Apparatus for interferometric sensing20US 7,920,270 B2The Australian National University · 2011