G01N 2201/0886
And using otdr
Official title: and using OTDR
G01N2201/0886 (And using otdr) appears on 22 US grants and 25 published applications in this corpus.
Search patents in G01N- Granted patents
- 22
- Published applications
- 25
- Assignees
- 25
- Inventors
- 71
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 2 | 3 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical fiber measurement system19 May 2026US 12,631,520 B2Huawei Technologies Co., Ltd.
- Distributed multi-parameter sensors for simultaneous monitoring of corrosion and humidity: optical fiber sensors and surface acoustic wave sensors27 Jan 2026US 12,535,425 B2U. S. Department of Energy
- Distributed acoustic sensing using dynamic range suppression6 Aug 2024US 12,055,803 B2NEC Corporation
- Distributed fiber-optic sensor network for sensing the corrosion onset and quantification15 Aug 2023US 11,726,047 B2United States Department of Energy
- Linear cavity ring down device5 Jan 2021US 10,883,890 B2Inesc Tec—Instituto De Engenharia De Sistemas E
- Hydrogen sensing with thermal compensation17 Jul 2025US 2025/0231160 A1Baker Hughes Oilfield Operations LLC
- Optical Fiber Measurement System7 Mar 2024US 2024/0077382 A1Huawei Technologies Co., Ltd.
- Distributed Multi-parameter Sensors for Simultaneous Monitoring of Corrosion and Humidity: Optical Fiber Sensors and Surface Acoustic Wave Sensors19 Oct 2023US 2023/0333024 A1United States Department of Energy
- Distributed fiber-optic sensor network for sensing the corrosion onset and quantification1 Sep 2022US 2022/0276179 A1United States Department of Energy
- Distributed acoustic sensing using dynamic range suppression18 Nov 2021US 2021/0356776 A1NEC Laboratories America, Inc.
Most cited
By later US patents
- Optical waveguide illuminator93US 6,714,711 B1Optech Ventures, LLC · 2004
- Distributed optical fiber sensor with controlled response19US 6,205,263 B1Intelligent Optical Systems, Inc. · 2001
- Chemically sensitive fiber optic cable15US 5,337,376 AHughes Aircraft Company · 1994
- Distributed optical fiber sensor with controlled response9US 7,260,283 B2Optech Ventures, LLC · 2007
- Distributed optical fiber sensor with controlled response8US 7,650,051 B2Optech Ventures, LLC · 2010