H01F 37/005
Without magnetic core
Official title: {without magnetic core}
H01F37/005 (Without magnetic core) appears on 69 US grants and 66 published applications in this corpus.
Search patents in H01F- Granted patents
- 69
- Published applications
- 66
- Assignees
- 53
- Inventors
- 166
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 3 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 4 |
| 2012 | 1 | 0 |
| 2013 | 3 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 2 | 3 |
| 2017 | 4 | 5 |
| 2018 | 0 | 6 |
| 2019 | 5 | 8 |
| 2020 | 4 | 6 |
| 2021 | 6 | 6 |
| 2022 | 5 | 4 |
| 2023 | 9 | 6 |
| 2024 | 2 | 2 |
| 2025 | 5 | 2 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inductive coil16 Jun 2026US 12,654,574 B2
- Compound helical inductor coil2 Jun 2026US 12,646,686 B2Comet Technologies USA, Inc.
- Inductor component and mounting structure of inductor component28 Apr 2026US 12,614,660 B2Murata Manufacturing Co., Ltd.
- Three-phase reactor comprising iron-core units and coils10 Mar 2026US 12,573,547 B2Fanuc Corporation
- Methods for forming a high current inductor and non-transitory computer readable medium3 Mar 2026US 12,567,539 B2APPLIED Materials.Inc.
- Inductor packages having coil with wedge electrical bonds for increased coil core area, and related fabrication methods24 Sep 2026US 2026/0290678 A1QUALCOMM Incorporated
- Multilayer coil component24 Sep 2026US 2026/0290684 A1TDK Corporation
- Magnetic coupling coil component and method of manufacturing the same11 Jun 2026US 2026/0162868 A1Taiyo Yuden Co., Ltd.
- Inductor component13 Nov 2025US 2025/0349454 A1Murata Manufacturing Co., Ltd.
- Magnetic base body and coil component including the same2 Oct 2025US 2025/0308738 A1Taiyo Yuden Co., Ltd.
Most cited
By later US patents
- Air-core choke coil41US 4,538,131 ABBC Brown, Boveri & Company, Limited · 1985
- High energy dissipation harmonic filter reactor10US 5,202,584 ABBA Canada Limited · 1993
- Inductor8US 4,494,167 AThe Marconi Company Limited · 1985
- Fault current limiter8US 7,330,096 B2General Electric Company · 2008
- Sensitive fault detection system for parallel coil air core reactors7US 5,027,099 AGuthrie Canadian Investments Limited · 1991