H01F 41/125
Other insulating structures
Official title: {Other insulating structures; Insulating between coil and core, between different winding sections, around the coil}
H01F41/125 (Other insulating structures) appears on 118 US grants and 136 published applications in this corpus.
Search patents in H01F- Granted patents
- 118
- Published applications
- 136
- Assignees
- 87
- Inventors
- 331
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 3 | 2 |
| 2012 | 0 | 4 |
| 2013 | 0 | 2 |
| 2014 | 7 | 8 |
| 2015 | 3 | 3 |
| 2016 | 5 | 4 |
| 2017 | 3 | 8 |
| 2018 | 5 | 14 |
| 2019 | 6 | 16 |
| 2020 | 10 | 13 |
| 2021 | 8 | 11 |
| 2022 | 14 | 11 |
| 2023 | 4 | 9 |
| 2024 | 7 | 11 |
| 2025 | 7 | 8 |
| 2026 | 8 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inductor component25 Aug 2026US 12,718,982 B2Murata Manufacturing Co., Ltd.
- Manufacturing method of magnetic element4 Aug 2026US 12,700,533 B2Delta Electronics (Shanghai) Co., Ltd.
- Instrument transformer and method to isolate parts2 Jun 2026US 12,646,650 B2HSP Hochspannungsgeräte GmbH
- Method of fabricating a high-temperature bobbin for electrical device28 Apr 2026US 12,614,665 B2Honeywell International Inc.
- Spiral core current transformer for energy harvesting applications7 Apr 2026US 12,597,558 B2S&C Electric Company
- Internally-cooled actuator coil24 Sep 2026US 2026/0290679 A1ASML Netherlands B. V.
- Coil component, and method for manufacturing coil component20 Aug 2026US 2026/0245781 A1Delta Electronics (Japan), Inc.
- Inductor and method for manufacturing the same18 Dec 2025US 2025/0385037 A1Chilisin Electronics Corp.
- Coupled Inductive Device and Method for Preparing Integrally Formed Coupled Inductive Device30 Oct 2025US 2025/0336596 A1Heyuan Poco New Material Co., Ltd.
- Method of manufacturing an embedded magnetic component device11 Sep 2025US 2025/0285798 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Character count determination for a digital image125US 9,286,514 B1United Services Automobile Association (USAA) · 2016
- Character count determination for a digital image111US 9,904,848 B1United Services Automobile Association (USAA) · 2018
- Character count determination for a digital image62US 10,360,448 B1United Services Automobile Association (USAA) · 2019
- Method of making heat curable adhesive coated insulation for transformers34US 4,239,077 AWestinghouse Electric Corp. · 1980
- Transformer20US 4,449,111 AKabushiki Kaisha Tamura Seisakusho · 1984