H01F 27/006
Details of transformers or inductances, in general: with special arrangement or spacing
Official title: {with special arrangement or spacing of turns of the winding(s), e.g. to produce desired self-resonance}
H01F27/006 (Details of transformers or inductances, in general: with special arrangement or spacing) appears on 189 US grants and 312 published applications in this corpus.
Search patents in H01F- Granted patents
- 189
- Published applications
- 312
- Assignees
- 165
- Inventors
- 680
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 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 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 7 |
| 2010 | 0 | 7 |
| 2011 | 6 | 6 |
| 2012 | 6 | 6 |
| 2013 | 0 | 11 |
| 2014 | 6 | 17 |
| 2015 | 9 | 12 |
| 2016 | 7 | 12 |
| 2017 | 12 | 15 |
| 2018 | 10 | 23 |
| 2019 | 13 | 23 |
| 2020 | 24 | 21 |
| 2021 | 5 | 21 |
| 2022 | 10 | 14 |
| 2023 | 24 | 26 |
| 2024 | 23 | 34 |
| 2025 | 13 | 32 |
| 2026 | 8 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inductance coil with varied geometry23 Jun 2026US 12,665,123 B2Cochlear Limited
- Coil component16 Jun 2026US 12,658,350 B2Murata Manufacturing Co., Ltd.
- Electronic component and methods relating to same26 May 2026US 12,640,299 B2Coilcraft, Incorporated
- Overlapped inductor structure5 May 2026US 12,620,520 B2Synopsys, Inc.
- Contactless power feed apparatus and power transmission coil3 Mar 2026US 12,567,528 B2OMRON Corporation
- Direct Current Quantum Magnetic Transformer and Related Energy Saving Devices and Methods1 Oct 2026US 2026/0302048 A1Harmonify AB
- Transformer and electrical device with transformer1 Oct 2026US 2026/0302058 A1
- Multilayer coil component24 Sep 2026US 2026/0290684 A1TDK Corporation
- Integrated inductors for multiphase power supplies3 Sep 2026US 2026/0261203 A1NVIDIA Corporation
- Integrated common-mode inductor and switching power converter having the same27 Aug 2026US 2026/0253778 A1Asian Power Devices Inc.
Most cited
By later US patents
- Electrical powered vehicle and power feeding device for vehicle58US 8,008,888 B2Toyota Jidosha Kabushiki Kaisha · 2011
- Inductor structure56US 8,841,983 B2Cambridge Silicon Radio Limited · 2014
- Methods and systems for wireless energy and data transmission37US 8,247,926 B2Extremely Ingenious Engineering · 2012
- Coil device25US 4,750,077 AMitsubishi Denki Kabushiki Kaisha · 1988
- Transformer circuits having transformers with figure eight and double figure eight nested structures19US 9,312,060 B2Marvell World Trade Ltd. · 2016