H01F 3/02
Made from sheets
Official title: made from sheets
H01F3/02 (Made from sheets) appears on 226 US grants and 313 published applications in this corpus.
Search patents in H01F- Granted patents
- 226
- Published applications
- 313
- Assignees
- 162
- Inventors
- 587
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 2 |
| 2002 | 1 | 0 |
| 2003 | 2 | 10 |
| 2004 | 5 | 12 |
| 2005 | 7 | 5 |
| 2006 | 3 | 2 |
| 2007 | 4 | 3 |
| 2008 | 2 | 6 |
| 2009 | 2 | 3 |
| 2010 | 3 | 8 |
| 2011 | 4 | 8 |
| 2012 | 9 | 3 |
| 2013 | 4 | 12 |
| 2014 | 2 | 12 |
| 2015 | 3 | 7 |
| 2016 | 12 | 9 |
| 2017 | 14 | 16 |
| 2018 | 5 | 17 |
| 2019 | 6 | 12 |
| 2020 | 18 | 16 |
| 2021 | 7 | 27 |
| 2022 | 13 | 37 |
| 2023 | 10 | 36 |
| 2024 | 27 | 18 |
| 2025 | 23 | 19 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wound core22 Sep 2026US 12,744,143 B2Nippon Steel Corporation
- Wound core25 Aug 2026US 12,718,977 B2Nippon Steel Corporation
- Stacked magnetic cores having small footprints16 Jun 2026US 12,658,351 B2The Florida International University Board of Trustees
- Coil unit9 Jun 2026US 12,651,684 B2Honda Motor Co., Ltd.
- Composition2 Jun 2026US 12,644,031 B2Kansai Helios Austria GmbH
- Grain-oriented electrical steel sheet and wound iron core10 Sep 2026US 2026/0265881 A1Jfe Steel Corporation
- Producing Rotationally Symmetric Magnetic Sheets27 Aug 2026US 2026/0249352 A1Siemens Aktiengesellschaft
- Method for packaging sheet metal parts made from an electrical steel strip or sheet to form a laminated core20 Aug 2026US 2026/0245790 A1voestalpine Stahl GmbH
- Electromagnetic interference filter20 Aug 2026US 2026/0246438 A1Lite-On Technology Corporation
- Method for manufacturing fe-co-based coated alloy substrate, fe-co-based coated alloy substrate, and laminated core member13 Aug 2026US 2026/0234805 A1Proterial, Ltd.
Most cited
By later US patents
- Contact-less power transfer495US 6,906,495 B2Splashpower Limited · 2005
- Contact-less power transfer438US 7,525,283 B2Access Business Group International LLC · 2009
- System and method for magnetic scanning, accelerating, and implanting of an ion beam122US 5,483,077 ANissin Electric Co., Ltd. · 1996
- Contact-less power transfer117US 7,714,537 B2Access Business Group International LLC · 2010
- Contact-less power transfer117US 7,863,861 B2Access Business Group International LLC · 2011