H01F 41/071
Winding coils of special form
Official title: Winding coils of special form (winding conductors onto closed formers or cores H01F41/08)
H01F41/071 (Winding coils of special form) appears on 214 US grants and 218 published applications in this corpus.
Search patents in H01F- Granted patents
- 214
- Published applications
- 218
- Assignees
- 144
- Inventors
- 459
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 2 | 2 |
| 2003 | 1 | 3 |
| 2004 | 4 | 2 |
| 2005 | 0 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 2 |
| 2008 | 2 | 6 |
| 2009 | 2 | 14 |
| 2010 | 4 | 8 |
| 2011 | 9 | 9 |
| 2012 | 3 | 6 |
| 2013 | 6 | 10 |
| 2014 | 7 | 11 |
| 2015 | 8 | 16 |
| 2016 | 11 | 11 |
| 2017 | 13 | 7 |
| 2018 | 11 | 16 |
| 2019 | 6 | 14 |
| 2020 | 9 | 14 |
| 2021 | 18 | 12 |
| 2022 | 5 | 8 |
| 2023 | 9 | 19 |
| 2024 | 9 | 11 |
| 2025 | 11 | 4 |
| 2026 | 9 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing a wave winding coil winding15 Sep 2026US 12,738,819 B2Schaeffler Technologies AG & Co. KG
- Flipping coil for wireless power transfer8 Sep 2026US 12,731,720 B2Renesas Electronics America Inc.
- Method for manufacturing coil component21 Jul 2026US 12,688,969 B2Samsung Electro-Mechanics Co., Ltd.
- Spiral core current transformer for energy harvesting applications7 Apr 2026US 12,597,558 B2S&C Electric Company
- Techniques for distributing forces in high field magnets and related systems and methods17 Feb 2026US 12,555,711 B2Commonwealth Fusion Systems LLC
- Device Having a Multimode Antenna With Variable Width of Conductive Wire17 Sep 2026US 2026/0279661 A1NuCurrent, Inc.
- Inductors Embedded in Package Substrate and Board and Method and System for Manufacturing the Same2 Jul 2026US 2026/0188562 A1Chipletz, Inc.
- Method for manufacturing inductors and transformers with continuous winding2 Jul 2026US 2026/0188572 A1Krah IndúStria E ComéRcio De Componentes EletrôNicos Ltda
- 2d wave-wound wire forming device25 Jun 2026US 2026/0175285 A1UPTEC Intelligent Manufacturing (Wuxi) Co., Ltd.
- Wire rod disposing device and wire rod disposition method11 Jun 2026US 2026/0159351 A1Nittoku Co., Ltd.
Most cited
By later US patents
- Electroacoustic transducer85US 7,062,063 B2Sonion Horsens A/S · 2006
- Coil for an electroacoustic transducer80US 7,376,240 B2Sonion Horsens A/S · 2008
- Coil for use in charged particle deflecting electromagnet and method of manufacturing the same56US 5,278,533 AMitsubishi Denki Kabushiki Kaisha · 1994
- Method of manufacturing coils for use in charged particle deflecting electromagnet55US 5,461,773 AMitsubishi Denki Kabushiki Kaisha · 1995
- Conductive winding37US 5,428,337 AVLT, Inc. · 1995