H01F 41/122
Insulating between turns or between winding layers
Official title: {Insulating between turns or between winding layers}
H01F41/122 (Insulating between turns or between winding layers) appears on 232 US grants and 271 published applications in this corpus.
Search patents in H01F- Granted patents
- 232
- Published applications
- 271
- Assignees
- 125
- Inventors
- 684
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 5 |
| 2003 | 0 | 2 |
| 2004 | 2 | 7 |
| 2005 | 2 | 4 |
| 2006 | 4 | 2 |
| 2007 | 3 | 6 |
| 2008 | 2 | 7 |
| 2009 | 2 | 5 |
| 2010 | 4 | 4 |
| 2011 | 3 | 2 |
| 2012 | 5 | 6 |
| 2013 | 1 | 4 |
| 2014 | 5 | 7 |
| 2015 | 6 | 2 |
| 2016 | 1 | 5 |
| 2017 | 3 | 15 |
| 2018 | 9 | 22 |
| 2019 | 11 | 34 |
| 2020 | 15 | 30 |
| 2021 | 11 | 14 |
| 2022 | 20 | 30 |
| 2023 | 22 | 18 |
| 2024 | 17 | 17 |
| 2025 | 21 | 13 |
| 2026 | 12 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multilayer-type coil component6 Oct 2026US 12,755,894 B2Murata Manufacturing Co., Ltd.
- Coil device and method of manufacturing coil device22 Sep 2026US 12,744,154 B2Mitsubishi Electric Corporation
- Flat coil carrier18 Aug 2026US 12,712,117 B2Mahle International GmbH
- Method and conductor structure for manufacturing an electric winding of an electromagnetic induction apparatus11 Aug 2026US 12,706,244 B2Hitachi Energy Ltd
- Coil component and manufacturing method therefor26 May 2026US 12,640,305 B2TDK Corporation
- Coil component, method for manufacturing coil component, and electronic/electric device24 Sep 2026US 2026/0290676 A1Delta Electronics (Japan), Inc.
- Coil component, method for manufacturing coil component, and electronic/electric device17 Sep 2026US 2026/0279651 A1Delta Electronics (Japan), Inc.
- Coil board and manufacturing method thereof27 Aug 2026US 2026/0253786 A1Zhuhai YUEXIN Semiconductor Limited Liability Company
- A High Temperature Superconducting Coil with a Resistive Impregnated Winding and its Manufacturing Method23 Jul 2026US 2026/0213055 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Coupled inductor and the method to make the same16 Jul 2026US 2026/0199971 A1Cyntec Co., Ltd.
Most cited
By later US patents
- Insulated coil and coiled frame and method for making same66US 6,137,202 AGeneral Electric Company · 2000
- Method of making an insulated electromagnetic coil43US 4,400,226 AGeneral Electric Company · 1983
- Method of making heat curable adhesive coated insulation for transformers34US 4,239,077 AWestinghouse Electric Corp. · 1980
- Insulated electromagnetic coil30US 4,376,904 AGeneral Electric Company · 1983
- Method of making patterned dry resin coated sheet insulation29US 3,974,302 AWestinghouse Electric Corp. · 1976