H01F 17/062
Toroidal core with turns of coil around it
Official title: {Toroidal core with turns of coil around it}
H01F17/062 (Toroidal core with turns of coil around it) appears on 417 US grants and 484 published applications in this corpus.
Search patents in H01F- Granted patents
- 417
- Published applications
- 484
- Assignees
- 268
- Inventors
- 967
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 4 |
| 2002 | 4 | 5 |
| 2003 | 7 | 8 |
| 2004 | 12 | 18 |
| 2005 | 5 | 12 |
| 2006 | 11 | 13 |
| 2007 | 10 | 22 |
| 2008 | 10 | 14 |
| 2009 | 9 | 24 |
| 2010 | 16 | 14 |
| 2011 | 18 | 16 |
| 2012 | 13 | 12 |
| 2013 | 9 | 17 |
| 2014 | 10 | 10 |
| 2015 | 6 | 17 |
| 2016 | 10 | 26 |
| 2017 | 11 | 22 |
| 2018 | 20 | 36 |
| 2019 | 34 | 36 |
| 2020 | 19 | 22 |
| 2021 | 18 | 38 |
| 2022 | 26 | 29 |
| 2023 | 29 | 19 |
| 2024 | 25 | 28 |
| 2025 | 23 | 13 |
| 2026 | 10 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for thermal management in inductors8 Sep 2026US 12,731,721 B2Hamilton Sundstrand Corporation
- Magnetic component18 Aug 2026US 12,712,110 B2Cyntec Co., Ltd.
- Choke for a multi-conductor system28 Jul 2026US 12,695,017 B2TDK Electronics Co., Ltd.
- Durable reduced-size power adapters21 Jul 2026US 12,689,148 B2Apple Inc.
- Line filter and display device comprising same5 May 2026US 12,620,517 B2Samsung Electronics Co., Ltd.
- Choke for a multi-conductor system8 Oct 2026US 2026/0311924 A1TDK Electronics Co., Ltd.
- Magnetic component and fabrication method thereof11 Jun 2026US 2026/0162865 A1Delta Electronics (Shanghai) Co., Ltd.
- Orthogonal joined plate windings for toroidal magnetics11 Jun 2026US 2026/0162879 A1Tesla, Inc.
- Electric vehicle11 Jun 2026US 2026/0163342 A1Isuzu Motors Limited
- Electronic device and control method thereof30 Apr 2026US 2026/0121604 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Modular surface mount circuit device and a manufacturing method thereof161US 5,959,846 ACitizen Electronics Co., Ltd. · 1999
- System and method for cryogenic cooling of electromagnetic induction filter121US 10,015,908 B2The Boeing Company · 2018
- Packages for hybrid integrated circuit high voltage isolation amplifiers and method of manufacture97US 4,780,795 ABurr-Brown Corporation · 1988
- Square toroid transformer for hybrid integrated circuit66US 4,777,465 ABurr-Brown Corporation · 1988
- Method of making square toroid transformer for hybrid integrated circuit65US 4,847,986 ABurr-Brown Corporation · 1989