H04B 10/03
Arrangements for fault recovery
H04B10/03 (Arrangements for fault recovery) appears on 1,051 US grants and 1,017 published applications in this corpus.
Search patents in H04B- Granted patents
- 1,051
- Published applications
- 1,017
- Assignees
- 352
- Inventors
- 2,106
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 1 | 0 |
| 1998 | 14 | 0 |
| 1999 | 9 | 0 |
| 2000 | 16 | 0 |
| 2001 | 20 | 8 |
| 2002 | 13 | 30 |
| 2003 | 18 | 17 |
| 2004 | 9 | 19 |
| 2005 | 18 | 19 |
| 2006 | 13 | 17 |
| 2007 | 22 | 11 |
| 2008 | 22 | 20 |
| 2009 | 14 | 26 |
| 2010 | 24 | 25 |
| 2011 | 10 | 18 |
| 2012 | 24 | 24 |
| 2013 | 30 | 52 |
| 2014 | 37 | 67 |
| 2015 | 69 | 58 |
| 2016 | 57 | 81 |
| 2017 | 82 | 69 |
| 2018 | 72 | 56 |
| 2019 | 70 | 63 |
| 2020 | 74 | 51 |
| 2021 | 42 | 49 |
| 2022 | 46 | 56 |
| 2023 | 51 | 71 |
| 2024 | 61 | 48 |
| 2025 | 40 | 30 |
| 2026 | 23 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automatically provisioning optical network terminal (ONT) services to paired optical line terminal (OLT) devices8 Sep 2026US 12,732,268 B1Calix, Inc.
- Method and system for communicating between mobile devices connected to PON devices25 Aug 2026US 12,719,569 B1Verizon Patent and Licensing Inc.
- Method and system for advertising SRLG information between multiple layers of communication network11 Aug 2026US 12,707,175 B2Rakuten Symphony, Inc.
- Systems and methods for diagnosing anomalies occurring within a passive optical network via integrated domains4 Aug 2026US 12,700,922 B1Verizon Patent and Licensing Inc.
- Proactively managing computed optical restoration paths14 Jul 2026US 12,683,680 B2Ciena Corporation
- System for detecting circuit anomalies in trailer wiring8 Oct 2026US 2026/0309762 A1Grote Industries, Inc.
- Optical communications controller and optical communications system1 Oct 2026US 2026/0303204 A11FINITY Inc.
- Methods and apparatus for multiplexing and demultiplexing optical signals of protected optics17 Sep 2026US 2026/0280746 A1Molex Incorporated
- Passive optical network for utility infrastructure resiliency10 Sep 2026US 2026/0270597 A1Commonwealth Edison Company
- Prioritizing Optical Routes for Restoration Based on Failure Impact on an IP Layer27 Aug 2026US 2026/0254528 A1Ciena Corporation
Most cited
By later US patents
- Optical processor based imaging system442US 6,069,365 A2000
- Fibre channel switching fabric239US 6,185,203 B2Vixel Corporation · 2001
- Method and system for transporting ancillary network data160US 6,108,113 AMCI Communications Corporation · 2000
- Method and apparatus for monitoring performance of optical transmission systems159US 5,513,029 ANorthern Telecom Limited · 1996
- Fault detection for all-optical add-drop multiplexer125US 5,867,289 AInternational Business Machines Corporation · 1999