G01D 5/35309
Using multiple waves interferometer
Official title: {using multiple waves interferometer}
G01D5/35309 (Using multiple waves interferometer) appears on 663 US grants and 737 published applications in this corpus.
Search patents in G01D- Granted patents
- 663
- Published applications
- 737
- Assignees
- 421
- Inventors
- 1,606
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 11 | 0 |
| 2001 | 5 | 2 |
| 2002 | 10 | 6 |
| 2003 | 6 | 4 |
| 2004 | 8 | 22 |
| 2005 | 11 | 15 |
| 2006 | 13 | 15 |
| 2007 | 11 | 16 |
| 2008 | 17 | 27 |
| 2009 | 13 | 20 |
| 2010 | 18 | 29 |
| 2011 | 13 | 28 |
| 2012 | 22 | 29 |
| 2013 | 25 | 28 |
| 2014 | 31 | 45 |
| 2015 | 36 | 31 |
| 2016 | 35 | 41 |
| 2017 | 31 | 41 |
| 2018 | 39 | 38 |
| 2019 | 41 | 41 |
| 2020 | 37 | 36 |
| 2021 | 42 | 47 |
| 2022 | 35 | 43 |
| 2023 | 38 | 52 |
| 2024 | 39 | 33 |
| 2025 | 40 | 26 |
| 2026 | 16 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Demodulation system for optical fiber Fabry-Perot sensor6 Oct 2026US 12,754,045 B2Beijing Bywave Sensing Technology Co., Ltd.
- Leveller calibration device8 Sep 2026US 12,729,954 B2ArcelorMittal
- Optical fiber sensing based on changes in laser emission wavelength11 Aug 2026US 12,704,390 B2Palo Alto Research Center Incorporated
- Fiber optic sensor and measurement method, apparatus and storage medium23 Jun 2026US 12,663,298 B2Zhejiang Lab
- Sensors for measuring pressure and temperature9 Jun 2026US 12,650,339 B2Simmonds Precision Products, Inc.
- System and computer implemented method for controlling a flexible device whilst inspecting or repairing a component8 Oct 2026US 2026/0307242 A1ROLLS-ROYCE plc
- Leveraging fiber optic-based pipeline monitoring for microseismic monitoring8 Oct 2026US 2026/0309890 A1Schlumberger Technology Corporation
- Pipeline monitoring based on ultrasonic guided acoustic wave and fiber optic sensor27 Aug 2026US 2026/0251621 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Device for measuring a physical quantity13 Aug 2026US 2026/0235421 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Overlapped Fiber Bragg Gratings With Different Reflectivities13 Aug 2026US 2026/0235800 A1Intuitive Surgical Operations, Inc.
Most cited
By later US patents
- Fiber optic position and/or shape sensing based on rayleigh scatter344US 7,772,541 B2Luna Innnovations Incorporated · 2010
- Fiber optic position and shape sensing device and method relating thereto229US 7,781,724 B2Luna Innovations Incorporated · 2010
- Diagnostic system for fiber grating sensors125US 5,401,956 AUnited Technologies Corporation · 1995
- Fiber optic pressure transducers and pressure sensing system incorporating same99US 5,841,131 ASchlumberger Technology Corporation · 1998
- Sensor systems employing optical fiber gratings86US 5,397,891 AMcDonnell Douglas Corporation · 1995