H04B 3/546
Combination of signalling, telemetering, protection
Official title: {Combination of signalling, telemetering, protection (circuits for remote indication of supply or distribution network condition H02J13/00)}
H04B3/546 (Combination of signalling, telemetering, protection) appears on 201 US grants and 213 published applications in this corpus.
Search patents in H04B- Granted patents
- 201
- Published applications
- 213
- Assignees
- 151
- Inventors
- 433
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 8 |
| 2003 | 0 | 4 |
| 2004 | 1 | 1 |
| 2005 | 3 | 0 |
| 2006 | 0 | 2 |
| 2007 | 2 | 5 |
| 2008 | 3 | 4 |
| 2009 | 3 | 14 |
| 2010 | 5 | 7 |
| 2011 | 6 | 10 |
| 2012 | 10 | 18 |
| 2013 | 6 | 17 |
| 2014 | 10 | 12 |
| 2015 | 14 | 20 |
| 2016 | 22 | 16 |
| 2017 | 17 | 6 |
| 2018 | 13 | 14 |
| 2019 | 11 | 8 |
| 2020 | 17 | 13 |
| 2021 | 9 | 5 |
| 2022 | 10 | 11 |
| 2023 | 6 | 6 |
| 2024 | 9 | 7 |
| 2025 | 5 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus to enable communication and control in a power system10 Feb 2026US 12,549,220 B2Solaredge Technologies Ltd.
- Selection of the phase used to communicate by PLC16 Sep 2025US 12,416,653 B2Sagemcom Energy & Telecom SAS
- Analyze power outlet having availability notification24 Jun 2025US 12,342,249 B2Hubbell Incorporated
- Induction heating extension cables including control conductors8 Apr 2025US 12,273,982 B2Illinois Tool Works Inc.
- Method and apparatus for generating physical network topology18 Feb 2025US 12,231,186 B2Huawei Technologies Co., Ltd.
- Self-networking method for module controller, power converter, and power system2 Jul 2026US 2026/0189066 A1Sungrow (Shanghai) Co., Ltd.
- Method and apparatus for controlling communication signal of photovoltaic power generation system30 Oct 2025US 2025/0337454 A1Hanwha Solutions Corporation
- Power allocation in a data and power network19 Jun 2025US 2025/0202527 A1
- Circuit for enhancing the inductance of a high current inductor6 Mar 2025US 2025/0080165 A1HK Oceancomm Technology Co., Limited
- Method and Apparatus to Enable Communication and Control in a Power System9 Jan 2025US 2025/0015835 A1Solaredge Technologies Ltd.
Most cited
By later US patents
- Transmission device with impairment compensation and methods for use therewith499US 9,312,919 B1AT&T Intellectual Property I, L. P. · 2016
- System and method for launching guided electromagnetic waves with impedance matching299US 10,305,192 B1AT&T Intellectual Property I, L. P. · 2019
- Reliable, long-haul data communications over power lines for meter reading and other communications services200US 8,947,258 B2Powermax Global LLC · 2015
- Communication system for a power distribution line176US 5,581,229 AHunt Technologies, Inc. · 1996
- Data transfer system and method for communicating utility consumption data over power line carriers159US 6,300,881 B1Motorola, Inc. · 2001