H01F 1/0556
Pressed
Official title: {pressed}
H01F1/0556 (Pressed) appears on 28 US grants and 42 published applications in this corpus.
Search patents in H01F- Granted patents
- 28
- Published applications
- 42
- Assignees
- 28
- Inventors
- 124
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 3 |
| 2016 | 2 | 3 |
| 2017 | 1 | 5 |
| 2018 | 0 | 3 |
| 2019 | 2 | 0 |
| 2020 | 2 | 4 |
| 2021 | 3 | 2 |
| 2022 | 0 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Samarium cobalt and neodymium iron boride magnets and methods of manufacturing same28 Apr 2026US 12,614,663 B2Lawrence Livermore National Security, LLC
- Method of manufacturing Sm—Fe—N magnet, Sm—Fe—N magnet, and motor having Sm—Fe—N magnet14 Apr 2026US 12,603,203 B2IHI Corporation
- Near net shape fabrication of anisotropic magnet using hot roll method24 Feb 2026US 12,558,724 B2Iowa State University Research Foundation, Inc.
- Processing of anisotropic permanent magnet without magnetic field2 Apr 2024US 11,948,733 B2Ford Global Technologies, LLC
- Samarium cobalt and neodymium iron boride magnets and methods of manufacturing same1 Aug 2023US 11,715,592 B2Lawrence Livermore National Security, LLC
- Near net shape fabrication of anisotropic magnet using hot roll method13 Aug 2026US 2026/0233306 A1Iowa State University Research Foundation, Inc.
- Rare earth alloy powder and sintered magnet with reduction-diffusion method using oil-soluble aliphatic organic acid/organic acid-ammonium mixture9 Jul 2026US 2026/0196391 A1Green Strategic Materials Co., Ltd.
- Magnet and method of making magnets for an electric machine30 Apr 2026US 2026/0120945 A1Ford Global Technologies, LLC
- Samarium cobalt magnet recycling25 Dec 2025US 2025/0391594 A1ROLLS-ROYCE plc
- Processing of anisotropic permanent magnet without magnetic field25 Jul 2024US 2024/0249877 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Method of pressing rare earth alloy magnetic powder18US 6,461,565 B2Sumitomo Special Metals Co., Ltd. · 2002
- Method of forming thin curved rare earth-transition metal magnets from lightly compacted powder preforms12US 4,325,757 AGeneral Motors Corporation · 1982
- Expolosive compaction of rare earth-transition metal alloys in a fluid medium10US 4,925,501 AGeneral Motors Corporation · 1990
- Highly oriented permanent magnet and process for producing the same7US 5,080,731 AHitachi Metals, Ltd. · 1992
- Process and apparatus for producing a temperature sensitive element5US 4,459,248 AFujitsu Limited · 1984