H04B 5/266
One coil at each side
Official title: {One coil at each side, e.g. with primary and secondary coils}
H04B5/266 (One coil at each side) appears on 1,486 US grants and 1,694 published applications in this corpus.
Search patents in H04B- Granted patents
- 1,486
- Published applications
- 1,694
- Assignees
- 620
- Inventors
- 2,517
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 5 |
| 2003 | 8 | 6 |
| 2004 | 2 | 9 |
| 2005 | 3 | 7 |
| 2006 | 4 | 13 |
| 2007 | 6 | 9 |
| 2008 | 4 | 15 |
| 2009 | 4 | 46 |
| 2010 | 11 | 51 |
| 2011 | 20 | 64 |
| 2012 | 28 | 78 |
| 2013 | 62 | 119 |
| 2014 | 74 | 145 |
| 2015 | 98 | 137 |
| 2016 | 133 | 137 |
| 2017 | 147 | 130 |
| 2018 | 139 | 149 |
| 2019 | 144 | 105 |
| 2020 | 107 | 101 |
| 2021 | 94 | 94 |
| 2022 | 97 | 79 |
| 2023 | 82 | 94 |
| 2024 | 65 | 50 |
| 2025 | 58 | 35 |
| 2026 | 25 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Wireless energy transfer using planar capacitively loaded conducting loop resonators449US 8,035,255 B2WiTricity Corporation · 2011
- Short-range magnetic communication system397US 5,771,438 AAura Communications, Inc. · 1998
- Inductively coupled wireless system and method395US 6,424,820 B1Interval Research Corporation · 2002
- Analog and digital telemetry system for an implantable device348US 4,681,111 ASiemens-Pacesetter, Inc. · 1987
- Non-contact power distribution system323US 5,898,579 AAuckland Uniservices Limited · 1999