H01F 1/16
In the form of sheets
Official title: in the form of sheets (H01F1/147 takes precedence)
H01F1/16 (In the form of sheets) appears on 657 US grants and 931 published applications in this corpus.
Search patents in H01F- Granted patents
- 657
- Published applications
- 931
- Assignees
- 150
- Inventors
- 1,027
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 4 |
| 2003 | 5 | 4 |
| 2004 | 2 | 9 |
| 2005 | 1 | 9 |
| 2006 | 4 | 5 |
| 2007 | 3 | 2 |
| 2008 | 6 | 5 |
| 2009 | 1 | 11 |
| 2010 | 5 | 7 |
| 2011 | 8 | 14 |
| 2012 | 7 | 23 |
| 2013 | 6 | 40 |
| 2014 | 12 | 31 |
| 2015 | 10 | 64 |
| 2016 | 14 | 41 |
| 2017 | 39 | 35 |
| 2018 | 40 | 49 |
| 2019 | 34 | 42 |
| 2020 | 37 | 54 |
| 2021 | 51 | 55 |
| 2022 | 46 | 114 |
| 2023 | 43 | 70 |
| 2024 | 76 | 98 |
| 2025 | 77 | 66 |
| 2026 | 35 | 78 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Grain-oriented electrical steel sheet and method of manufacturing same1 Sep 2026US 12,723,287 B2Jfe Steel Corporation
- Hot-rolled steel sheet for non-oriented electromagnetic steel sheets25 Aug 2026US 12,716,120 B2Nippon Steel Corporation
- Grain-oriented electrical steel sheet and manufacturing method therefor25 Aug 2026US 12,716,134 B2Nippon Steel Corporation
- Wound core25 Aug 2026US 12,718,977 B2Nippon Steel Corporation
- 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 producing insulation coating treatment liquid for grain-oriented electrical steel sheet and method for producing grain-oriented electrical steel sheet8 Oct 2026US 2026/0308387 A1Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for forming insulating coating17 Sep 2026US 2026/0275442 A1Nippon Steel Corporation
- Systems and Methods for Additive Production of a Magnetic Plate, a Laminated Core, and an Electric Machine3 Sep 2026US 2026/0261159 A1Siemens Aktiengesellschaft
- Groove depth monitoring system, electrical steel sheet manufacturing apparatus, groove depth monitoring method, and groove depth monitoring program20 Aug 2026US 2026/0241482 A1Nippon Steel Corporation
- Non-oriented electrical steel plate and manufacturing method therefor20 Aug 2026US 2026/0242904 A1Baoshan Iron & Steel Co., Ltd.
Most cited
By later US patents
- Method of making laminated magnetic material60US 4,025,379 A1977
- Bonded laminations forming a stator core43US 4,103,195 AGeneral Electric Company · 1978
- Magnetic material having high permeability in the high frequency range40US 4,640,871 ASony Corporation · 1987
- Laser treatment of electrical steel32US 4,456,812 AArmco Inc. · 1984
- Selective etching process for cutting amorphous metal shapes and components made thereof31US 7,235,910 B2Metglas, Inc. · 2007