G08B 13/186
Using light guides
Official title: using light guides, e.g. optical fibres
G08B13/186 (Using light guides) appears on 181 US grants and 174 published applications in this corpus.
Search patents in G08B- Granted patents
- 181
- Published applications
- 174
- Assignees
- 119
- Inventors
- 303
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 6 |
| 2005 | 5 | 9 |
| 2006 | 8 | 21 |
| 2007 | 11 | 12 |
| 2008 | 10 | 10 |
| 2009 | 9 | 6 |
| 2010 | 9 | 14 |
| 2011 | 4 | 5 |
| 2012 | 5 | 3 |
| 2013 | 3 | 2 |
| 2014 | 3 | 6 |
| 2015 | 4 | 7 |
| 2016 | 4 | 1 |
| 2017 | 3 | 5 |
| 2018 | 3 | 3 |
| 2019 | 6 | 12 |
| 2020 | 5 | 5 |
| 2021 | 14 | 9 |
| 2022 | 10 | 14 |
| 2023 | 6 | 7 |
| 2024 | 5 | 9 |
| 2025 | 6 | 4 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical fiber-based tsunami warning system using submarine telecommunication cables15 Sep 2026US 12,736,375 B2California Institute of Technology
- Transmission line monitoring system testing28 Jul 2026US 12,694,768 B2CyberSecure IPS, LLC
- Optical fiber sensing system, optical fiber sensing equipment, and unmanned aerial vehicle allocation method7 Apr 2026US 12,596,386 B2NEC Corporation
- Abnormality determination method, abnormality determination apparatus, abnormality determination system, and non-transitory computer-readable medium10 Mar 2026US 12,573,275 B2NEC Corporation
- Security monitoring of an asset using distributed acoustic sensing with selected gauge lengths2 Dec 2025US 12,488,663 B2Network Integrity Systems, Inc.
- Monitoring device, monitoring method, and computer-readable medium30 Jul 2026US 2026/0219101 A1NEC Corporation
- Monitoring intrusion events using optical fibers23 Apr 2026US 2026/0110569 A1
- Transmission line monitoring system testing20 Nov 2025US 2025/0356746 A1CyberSecure IPS, LLC
- Optical fiber-based tsunami warning system using submarine telecommunication cables13 Mar 2025US 2025/0087075 A1California Institute of Technology
- Security monitoring of an asset using distributed acoustic sensing with selected gauge lengths6 Mar 2025US 2025/0078635 A1Network Integrity Systems, Inc.
Most cited
By later US patents
- Apparatus and method for fiber optic intrusion sensing227US 5,194,847 AThe Texas A&M University System · 1993
- Fiber optic security system146US 5,055,827 A1991
- Fibre optic sensor method and apparatus87US 7,564,540 B2Pure Technologies Ltd. · 2009
- Distributed fiber optic sensor for locating and identifying remote disturbances79US 5,355,208 AMason & Hanger National, Inc. · 1994
- Fiber optic intruder alarm system66US 4,297,684 AHoneywell Inc. · 1981