H01F 41/098
Mandrels
Official title: Mandrels; Formers
H01F41/098 (Mandrels) appears on 152 US grants and 159 published applications in this corpus.
Search patents in H01F- Granted patents
- 152
- Published applications
- 159
- Assignees
- 118
- Inventors
- 334
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 5 |
| 2004 | 3 | 5 |
| 2005 | 2 | 5 |
| 2006 | 5 | 4 |
| 2007 | 2 | 6 |
| 2008 | 4 | 7 |
| 2009 | 3 | 19 |
| 2010 | 5 | 5 |
| 2011 | 15 | 7 |
| 2012 | 6 | 4 |
| 2013 | 6 | 7 |
| 2014 | 5 | 6 |
| 2015 | 6 | 8 |
| 2016 | 6 | 11 |
| 2017 | 7 | 11 |
| 2018 | 4 | 7 |
| 2019 | 11 | 8 |
| 2020 | 7 | 6 |
| 2021 | 7 | 4 |
| 2022 | 1 | 4 |
| 2023 | 4 | 9 |
| 2024 | 2 | 3 |
| 2025 | 6 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bobbin wound coil for an electromagnetic coupling6 Oct 2026US 12,755,896 B2Warner Electric Technology LLC
- Method of fabricating a high-temperature bobbin for electrical device28 Apr 2026US 12,614,665 B2Honeywell International Inc.
- Coil assembly6 Jan 2026US 12,518,914 B2Micro-Epsilon Messtechnik GmbH & Co.KG
- Nested flat wound coils forming windings for transformers and inductors18 Nov 2025US 12,476,038 B2Vishay Dale Electronics, Inc.
- Methods of manufacturing a molded, formerless multi-coil cylindrical superconducting magnet structure, and a structure as may be manufactured by such methods11 Nov 2025US 12,469,626 B2Siemens Healthcare GmbH
- Method for fabricating inductors and inductor1 Oct 2026US 2026/0302059 A1Anhui University
- Method and winding machine for making an electric component provided with a spiral-shaped winding20 Aug 2026US 2026/0245791 A1Marsilli S.P.A.
- Coil bobbin, coil component, and method of manufacturing coil bobbin20 Nov 2025US 2025/0357044 A1Sumida Corporation
- Non-contact power reception apparatus for non-contact charging and electronic settlement performed in a single portable terminal13 Nov 2025US 2025/0350148 A1Dolby Hybrid Technologies, LLC
- Magnetically coupled inductor and method of assembling the same1 May 2025US 2025/0140460 A1Sumida Corporation
Most cited
By later US patents
- Method of making a self-supporting wire coil125US 4,053,975 ASiemens Aktiengesellschaft · 1977
- Coil winding form apparatus23US 5,025,999 A1991
- Non-contact power reception apparatus and jig for fabricating core for non-contact power reception apparatus21US 8,624,546 B2Hanrim Postech Co., Ltd. · 2014
- Toroidal electrical transformer and method of producing same20US 4,779,812 AKuhlman Corporation · 1988
- Non-circular perfect layer electrical coils18US 3,989,200 ABachi, Inc. · 1976