H01F 41/0233
Manufacturing of magnetic circuits made from sheets
Official title: {Manufacturing of magnetic circuits made from sheets (magnetic cores made from sheets H01F27/245; soft magnetic alloys in the form of sheets H01F1/16)}
H01F41/0233 (Manufacturing of magnetic circuits made from sheets) appears on 446 US grants and 547 published applications in this corpus.
Search patents in H01F- Granted patents
- 446
- Published applications
- 547
- Assignees
- 220
- Inventors
- 1,072
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 5 |
| 2003 | 3 | 11 |
| 2004 | 3 | 9 |
| 2005 | 4 | 8 |
| 2006 | 6 | 11 |
| 2007 | 4 | 5 |
| 2008 | 5 | 13 |
| 2009 | 5 | 13 |
| 2010 | 10 | 11 |
| 2011 | 11 | 10 |
| 2012 | 8 | 7 |
| 2013 | 3 | 8 |
| 2014 | 10 | 5 |
| 2015 | 3 | 20 |
| 2016 | 6 | 15 |
| 2017 | 13 | 38 |
| 2018 | 14 | 41 |
| 2019 | 21 | 38 |
| 2020 | 31 | 39 |
| 2021 | 33 | 45 |
| 2022 | 34 | 54 |
| 2023 | 35 | 42 |
| 2024 | 44 | 47 |
| 2025 | 38 | 28 |
| 2026 | 16 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Spatially selective electromagnetic field assisted processing of bulk crystalline soft magnetic alloys18 Aug 2026US 12,709,780 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Method for fabricating a substantially equiatomic FeCo-alloy cold-rolled strip or sheet, and magnetic part cut from same18 Aug 2026US 12,709,790 B2Aperam
- Method for producing an electromagnet9 Jun 2026US 12,651,948 B2Audi AG
- Composition2 Jun 2026US 12,644,031 B2Kansai Helios Austria GmbH
- Systems for assembling a magnetic-core assembly26 May 2026US 12,640,307 B2General Electric Company
- Grain-oriented electrical steel sheet and method for forming insulating coating17 Sep 2026US 2026/0279629 A1Nippon Steel Corporation
- Fe-co based alloy substrate and manufacturing method thereof, fe-co based alloy coated substrate and manufacturing method thereof, and laminated core member20 Aug 2026US 2026/0242916 A1Proterial, Ltd.
- 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
- 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.
- Processing system, soft magnetic material, soft magnetic intermediate material, transformer, processing method, and program30 Jul 2026US 2026/0219340 A1Nippon Steel Corporation
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