H01F 5/06
Insulation of windings
H01F5/06 (Insulation of windings) appears on 273 US grants and 405 published applications in this corpus.
Search patents in H01F- Granted patents
- 273
- Published applications
- 405
- Assignees
- 226
- Inventors
- 972
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 3 | 3 |
| 2003 | 1 | 5 |
| 2004 | 1 | 7 |
| 2005 | 2 | 6 |
| 2006 | 7 | 4 |
| 2007 | 2 | 2 |
| 2008 | 1 | 3 |
| 2009 | 1 | 1 |
| 2010 | 3 | 5 |
| 2011 | 0 | 5 |
| 2012 | 3 | 7 |
| 2013 | 3 | 15 |
| 2014 | 7 | 16 |
| 2015 | 7 | 15 |
| 2016 | 10 | 21 |
| 2017 | 9 | 27 |
| 2018 | 14 | 22 |
| 2019 | 29 | 32 |
| 2020 | 17 | 43 |
| 2021 | 24 | 25 |
| 2022 | 28 | 20 |
| 2023 | 20 | 29 |
| 2024 | 16 | 27 |
| 2025 | 14 | 43 |
| 2026 | 13 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electro-magnetic coil with coolant permeability6 Oct 2026US 12,755,890 B2Magnebotix AG
- Method and conductor structure for manufacturing an electric winding of an electromagnetic induction apparatus11 Aug 2026US 12,706,244 B2Hitachi Energy Ltd
- Insulated wire, coil using insulated wire, variable-thickness insulating tape used in manufacture of insulated wire, and manufacturing method of same23 Jun 2026US 12,665,103 B2Totoku Electric Co., Ltd.
- Coil component2 Jun 2026US 12,646,649 B2TDK Corporation
- Joined assembly and production method thereof12 May 2026US 12,627,191 B2Denso Corporation
- Coil component1 Oct 2026US 2026/0302025 A1TDK Corporation
- Vinyl ester resin composition and method for producing electrical appliance insulator using same24 Sep 2026US 2026/0290667 A1Resonac Corporation
- Insulated wire, coil and electronic/electrical device30 Jul 2026US 2026/0221314 A1Well Ascent Electronic (Ganzhou) Co., Ltd.
- Electric coil and method of manufacturing an electric coil23 Jul 2026US 2026/0213599 A1Rolls-Royce Deutschland Ltd & Co KG
- Induction crucible furnace with a fireproof crucible25 Jun 2026US 2026/0181752 A1Abp Induction Systems GmbH
Most cited
By later US patents
- Lubricant for wires with enameled or lacquered insulation69US 4,002,797 ASiemens Aktiengesellschaft · 1977
- Insulated coil and coiled frame and method for making same66US 6,137,202 AGeneral Electric Company · 2000
- Litz wire57US 4,546,210 AHitachi, Ltd. · 1985
- Microfabricated devices for wireless data and power transfer55US 7,684,868 B2California Institute of Technology · 2010
- Electrical coil assembly54US 4,222,023 ALucas Industries Limited · 1980