G01K 2007/166
Electrical time domain reflectometry
Official title: {Electrical time domain reflectometry}
G01K2007/166 (Electrical time domain reflectometry) appears on 22 US grants and 17 published applications in this corpus.
Search patents in G01K- Granted patents
- 22
- Published applications
- 17
- Assignees
- 19
- Inventors
- 52
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Post-processing method to extend the functional range of optical backscatter reflectometry in extreme environments22 Sep 2026US 12,742,691 B2UT-Battelle, LLC
- Distributed sensing with tubing encased conductors (TEC)2 Sep 2025US 12,404,726 B2Halliburton Energy Services.Inc.
- Method and measuring system for monitoring a line for changed ambient conditions1 Nov 2022US 11,486,770 B2LEONI Kabel GmbH
- Method for monitoring a line, and measuring arrangement containing line11 May 2021US 11,002,781 B2LEONI Kabel GmbH
- Method for monitoring a line for unchanged ambient conditions and measuring arrangement for monitoring a line for changed ambient conditions23 Jun 2020US 10,690,550 B2LEONI Kabel GmbH
- Systems and methods for identifying a location of a thermal event detected by a temperature sensing tape30 Apr 2026US 2026/0118185 A1Littelfuse, Inc.
- Post-processing method to extend the functional range of optical backscatter reflectometry in extreme environments21 Mar 2024US 2024/0094063 A1UT-Battelle, LLC
- Distributed sensing with tubing encased conductors (tec)14 Mar 2024US 2024/0084648 A1Halliburton Energy Services.Inc.
- Method and system for detecting heating at a connector between electrical cables and connectors suitable for such a method22 Feb 2024US 2024/0060830 A1Win Ms
- Post-processing method to extend the functional range of optical backscatter reflectometry in extreme environments11 Nov 2021US 2021/0348971 A1UT-Battelle, LLC
Most cited
By later US patents
- Optical time-domain reflectometry92US 4,823,166 AYork Limited · 1989
- Temperature distribution measuring apparatus using an optical fiber37US 5,825,804 AKabushiki Kaisha Toshiba · 1998
- Fiber optic based fire detection and tracking system28US 5,144,125 AThe Babcock & Wilcox Company · 1992
- Temperature sensing system for over-heat detection24US 5,793,293 AFuron Company · 1998
- Method and a system for determining a physical property as a function of position21US 7,890,280 B2Lios Technology GmbH · 2011