G01L 11/025
Using a pressure-sensitive optical fibre
Official title: {using a pressure-sensitive optical fibre}
G01L11/025 (Using a pressure-sensitive optical fibre) appears on 297 US grants and 281 published applications in this corpus.
Search patents in G01L- Granted patents
- 297
- Published applications
- 281
- Assignees
- 217
- Inventors
- 777
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 1 |
| 2002 | 7 | 4 |
| 2003 | 6 | 1 |
| 2004 | 5 | 10 |
| 2005 | 4 | 5 |
| 2006 | 11 | 10 |
| 2007 | 8 | 11 |
| 2008 | 7 | 8 |
| 2009 | 1 | 3 |
| 2010 | 8 | 9 |
| 2011 | 5 | 9 |
| 2012 | 7 | 8 |
| 2013 | 10 | 21 |
| 2014 | 8 | 14 |
| 2015 | 8 | 19 |
| 2016 | 18 | 21 |
| 2017 | 22 | 12 |
| 2018 | 9 | 19 |
| 2019 | 10 | 8 |
| 2020 | 18 | 11 |
| 2021 | 12 | 17 |
| 2022 | 13 | 12 |
| 2023 | 11 | 19 |
| 2024 | 14 | 15 |
| 2025 | 12 | 10 |
| 2026 | 9 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Multi-channel optical pressure sensor2 Jun 2026US 12,642,956 B2ABIOMED, Inc.
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- Fibre-optic pressure sensor23 Apr 2026US 2026/0110587 A1Somni Corporation B.V.
- Optical Measurement Device for Enabling Simultaneous Measurement of Temperature, Pressure and Bending16 Apr 2026US 2026/0104275 A1Technische Universität Hamburg (TUHH)
- Oil well optical fiber multi-parameter testing method and apparatus2 Oct 2025US 2025/0305411 A1PetroChina Company Limited
Most cited
By later US patents
- Fluid flow sensing apparatus for in vivo and industrial applications employing novel differential optical fiber pressure sensors260US 5,178,153 A1993
- Apparatus and method for fiber optic intrusion sensing227US 5,194,847 AThe Texas A&M University System · 1993
- Fiber optic strain sensor213US 4,295,738 AUnited Technologies Corporation · 1981
- High sensitivity fiber optic pressure sensor for use in harsh environments150US 6,016,702 ACiDRA Corporation · 2000
- Fluid flow sensing apparatus for in vivo and industrial applications employing novel optical fiber pressure sensors122US 4,873,989 AOptical Technologies, Inc. · 1989