G01R 31/08
Locating faults in cables, transmission lines, or networks
G01R31/08 (Locating faults in cables, transmission lines, or networks) appears on 2,201 US grants and 2,205 published applications in this corpus.
Search patents in G01R- Granted patents
- 2,201
- Published applications
- 2,205
- Assignees
- 1,087
- Inventors
- 4,901
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 16 | 0 |
| 1978 | 11 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 13 | 0 |
| 1983 | 11 | 0 |
| 1984 | 14 | 0 |
| 1985 | 15 | 0 |
| 1986 | 9 | 0 |
| 1987 | 5 | 0 |
| 1988 | 13 | 0 |
| 1989 | 22 | 0 |
| 1990 | 14 | 0 |
| 1991 | 12 | 0 |
| 1992 | 9 | 0 |
| 1993 | 23 | 0 |
| 1994 | 10 | 0 |
| 1995 | 13 | 0 |
| 1996 | 16 | 0 |
| 1997 | 15 | 0 |
| 1998 | 15 | 0 |
| 1999 | 11 | 0 |
| 2000 | 23 | 0 |
| 2001 | 18 | 3 |
| 2002 | 31 | 26 |
| 2003 | 28 | 24 |
| 2004 | 29 | 42 |
| 2005 | 41 | 37 |
| 2006 | 42 | 31 |
| 2007 | 31 | 28 |
| 2008 | 21 | 21 |
| 2009 | 22 | 41 |
| 2010 | 19 | 43 |
| 2011 | 36 | 61 |
| 2012 | 37 | 56 |
| 2013 | 49 | 84 |
| 2014 | 60 | 91 |
| 2015 | 67 | 87 |
| 2016 | 93 | 112 |
| 2017 | 97 | 112 |
| 2018 | 89 | 145 |
| 2019 | 145 | 162 |
| 2020 | 149 | 146 |
| 2021 | 170 | 154 |
| 2022 | 136 | 156 |
| 2023 | 130 | 137 |
| 2024 | 135 | 147 |
| 2025 | 126 | 156 |
| 2026 | 82 | 103 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and method to detect and locate a fault in a shielded conductor6 Oct 2026US 12,754,225 B2GE Aviation Systems LLC
- Method and related device for locating ring power network fault29 Sep 2026US 12,748,141 B2Electric Power Research Institute of Yunnan Power Grid Co., Ltd
- Using impedance analysis for fault detection in power delivery systems29 Sep 2026US 12,748,142 B2Cisco Technology, Inc.
- Method and device for locating fault, computer device, and storage medium22 Sep 2026US 12,742,809 B2Sungrow Power Supply Co., Ltd.
- Systems and methods for fault management and protection22 Sep 2026US 12,742,810 B2ABL IP Holding LLC
- System and method for determining alignment faulted mobile irrigation tower8 Oct 2026US 2026/0305546 A1Lindsay Corporation
- Position sensor8 Oct 2026US 2026/0309478 A1Sanmina Corporation
- Apparatus and method for fault positioning in electrical grids8 Oct 2026US 2026/0309763 A1Safegrid Oy
- Method of monitoring the integrity and determining damage location on body of object8 Oct 2026US 2026/0309764 A1
- Test and/or measurement system8 Oct 2026US 2026/0309826 A1
Most cited
By later US patents
- Method and apparatus for responding to events affecting communications in a communication network473US 9,769,020 B2AT&T Intellectual Property I, L. P. · 2017
- Apparatus for providing communication services and methods thereof469US 9,520,945 B2AT&T Intellectual Property I, L. P. · 2016
- Method and apparatus that provides fault tolerance in a communication network404US 9,615,269 B2AT&T Intellectual Property I, L. P. · 2017
- Method and apparatus for configuring a communication interface315US 10,009,067 B2AT&T Intellectual Property I, L. P. · 2018
- Methods and apparatus for restoring connections in an ATM network273US 6,167,025 ATelcordia Technologies, Inc. · 2000