H04B 2203/5483
Using coupling circuits
Official title: using coupling circuits
H04B2203/5483 (Using coupling circuits) appears on 781 US grants and 606 published applications in this corpus.
Search patents in H04B- Granted patents
- 781
- Published applications
- 606
- Assignees
- 380
- Inventors
- 1,127
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 8 | 0 |
| 1983 | 11 | 0 |
| 1984 | 14 | 0 |
| 1985 | 10 | 0 |
| 1986 | 11 | 0 |
| 1987 | 14 | 0 |
| 1988 | 5 | 0 |
| 1989 | 12 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 11 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 13 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 13 | 10 |
| 2002 | 15 | 29 |
| 2003 | 20 | 40 |
| 2004 | 21 | 44 |
| 2005 | 28 | 54 |
| 2006 | 57 | 47 |
| 2007 | 39 | 42 |
| 2008 | 27 | 32 |
| 2009 | 15 | 21 |
| 2010 | 29 | 18 |
| 2011 | 23 | 19 |
| 2012 | 24 | 13 |
| 2013 | 8 | 21 |
| 2014 | 17 | 26 |
| 2015 | 22 | 29 |
| 2016 | 30 | 28 |
| 2017 | 32 | 18 |
| 2018 | 31 | 31 |
| 2019 | 42 | 29 |
| 2020 | 38 | 22 |
| 2021 | 14 | 13 |
| 2022 | 10 | 7 |
| 2023 | 7 | 5 |
| 2024 | 8 | 5 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power control system, device, and information processing system19 May 2026US 12,633,965 B2Daikin Industries, Ltd.
- Mobile devices, mobile systems and operating methods thereof11 Nov 2025US 12,470,251 B2Samsung Electronics Co., Ltd.
- Magnetic flux cancellation for power line communications9 Sep 2025US 12,412,690 B2Solaredge Technologies Ltd.
- Induction heating extension cables including control conductors8 Apr 2025US 12,273,982 B2Illinois Tool Works Inc.
- Communication adaptor for a light trunking system1 Apr 2025US 12,267,124 B2Zumtobel Lighting GmbH
- Apparatus for managing solar modules2 Jul 2026US 2026/0189262 A1Hanwha Solutions Corporation
- Power line communication system2 Oct 2025US 2025/0310005 A1Huawei Digital Power Technologies Co., Ltd.
- Sensor systems principally for swimming pools and spas23 Jan 2025US 2025/0028301 A1Zodiac Pool Systems LLC
- Variable Impedance Circuit5 Dec 2024US 2024/0405801 A1Solaredge Technologies Ltd.
- Magnetic Flux Cancellation for Power Line Communications24 Oct 2024US 2024/0355520 A1Solaredge Technologies Ltd.
Most cited
By later US patents
- System and method for data retrieval in AC power tools via an AC line cord1,103US 7,346,406 B2Black & Decker Inc. · 2008
- Surface wave power line communications system and method602US 7,280,033 B2Current Technologies, LLC · 2007
- Quasi-optical coupler578US 9,209,902 B2AT&T Intellectual Property I, L. P. · 2015
- Power transfer apparatus for concurrently transmitting data and power over data wires575US 5,994,998 A3Com Corporation · 1999
- Method and apparatus for exchanging communication signals559US 9,461,706 B1AT&T Intellectual Property I, L. P. · 2016