G02B 6/022
Using mechanical stress
Official title: {using mechanical stress, e.g. tuning by compression or elongation, special geometrical shapes such as "dog-bone" or taper (G02B6/02204 takes precedence; optical modulation using photo-elastic effect G02F1/0131)}
G02B6/022 (Using mechanical stress) appears on 311 US grants and 249 published applications in this corpus.
Search patents in G02B- Granted patents
- 311
- Published applications
- 249
- Assignees
- 184
- Inventors
- 640
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 14 | 0 |
| 2001 | 23 | 4 |
| 2002 | 17 | 19 |
| 2003 | 23 | 29 |
| 2004 | 24 | 22 |
| 2005 | 17 | 15 |
| 2006 | 20 | 14 |
| 2007 | 7 | 14 |
| 2008 | 6 | 10 |
| 2009 | 5 | 7 |
| 2010 | 15 | 11 |
| 2011 | 5 | 8 |
| 2012 | 10 | 11 |
| 2013 | 7 | 6 |
| 2014 | 9 | 7 |
| 2015 | 9 | 6 |
| 2016 | 8 | 8 |
| 2017 | 3 | 5 |
| 2018 | 7 | 8 |
| 2019 | 7 | 5 |
| 2020 | 6 | 7 |
| 2021 | 7 | 8 |
| 2022 | 5 | 8 |
| 2023 | 5 | 2 |
| 2024 | 5 | 6 |
| 2025 | 7 | 7 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical sensor and system6 Oct 2026US 12,754,132 B2The University of Sydney
- Surgical robotic user input apparatus having optical fiber-based intrinsic sensors10 Mar 2026US 12,569,310 B2Auris Health, Inc.
- Method and apparatus for breath-hold monitoring in diagnostic and therapeutic procedures6 Jan 2026US 12,516,964 B2EmpNia Inc.
- Waveguides4 Nov 2025US 12,461,307 B2The University of Salford
- System for applying pre-strain to an optical sensor21 Oct 2025US 12,449,282 B2Xerox Corporation
- Optical fiber that combines and demultiplexes light2 Jul 2026US 2026/0186201 A1NTT, Inc.
- Method and apparatus for breath-hold monitoring in diagnostic and therapeutic procedures16 Apr 2026US 2026/0104276 A1EmpNia Inc.
- Optical Sensor and System5 Jun 2025US 2025/0180472 A1The University of Sydney
- Method and apparatus for real time respiratory gating signal generation and detection of body deformation using embedded fiber bragg gratings29 May 2025US 2025/0172414 A1EmpNia Inc.
- Method and apparatus for breath-hold monitoring in diagnostic and therapeutic procedures29 May 2025US 2025/0172415 A1EmpNia 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
- Variable optical fiber Bragg filter arrangement226US 5,007,705 AUnited Technologies Corporation · 1991
- Method for impressing gratings within fiber optics204US 4,725,110 AUnited Technologies Corporation · 1988
- Incorporated Bragg filter temperature compensated optical waveguide device179US 5,042,898 AUnited Technologies Corporation · 1991