H01F 6/04
Cooling
H01F6/04 (Cooling) appears on 617 US grants and 672 published applications in this corpus.
Search patents in H01F- Granted patents
- 617
- Published applications
- 672
- Assignees
- 243
- Inventors
- 1,162
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 1 |
| 2002 | 5 | 3 |
| 2003 | 6 | 5 |
| 2004 | 6 | 4 |
| 2005 | 3 | 12 |
| 2006 | 6 | 14 |
| 2007 | 7 | 19 |
| 2008 | 5 | 15 |
| 2009 | 12 | 26 |
| 2010 | 7 | 25 |
| 2011 | 9 | 24 |
| 2012 | 24 | 20 |
| 2013 | 18 | 27 |
| 2014 | 21 | 22 |
| 2015 | 22 | 38 |
| 2016 | 23 | 36 |
| 2017 | 31 | 38 |
| 2018 | 30 | 29 |
| 2019 | 33 | 39 |
| 2020 | 31 | 39 |
| 2021 | 25 | 46 |
| 2022 | 30 | 48 |
| 2023 | 43 | 31 |
| 2024 | 36 | 38 |
| 2025 | 31 | 38 |
| 2026 | 27 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- HTS magnet ramping to reduce screening currents29 Sep 2026US 12,749,605 B2Tokamak Energy Ltd
- Supplemental cooling system for superconducting electrical machine15 Sep 2026US 12,738,401 B2GE Precision Healthcare LLC
- Magnetic resonance imaging apparatus and method of controlling superconducting magnet8 Sep 2026US 12,730,168 B2Canon Kabushiki Kaisha
- Transport current saturated HTS magnets1 Sep 2026US 12,725,722 B2Tokamak Energy Ltd
- Control system for charging of non/partially insulated superconducting magnets and related techniques18 Aug 2026US 12,712,103 B2Massachusetts Institute of Technology
- Superconducting magnet apparatus and magnetic resonance imaging apparatus8 Oct 2026US 2026/0309819 A1Canon Medical Systems Corporation
- Superconducting coil device, magnetic resonance imaging apparatus including the same, and temperature management method of superconducting coil device1 Oct 2026US 2026/0302026 A1FUJIFILM Corporation
- Iron core-equipped superconducting magnet, accelerator including iron core-equipped superconducting magnet, and particle beam therapy apparatus including accelerator1 Oct 2026US 2026/0302027 A1Hitachi High-Tech Corporation
- Electro-magnetic launch systemsand methods using high force magnetic levitation17 Sep 2026US 2026/0274443 A1Electric Launch, LLC
- Methods and Systems for Operating Superconducting Magnetic Energy Storage Devices17 Sep 2026US 2026/0279635 A1Brunel University Oflondon
Most cited
By later US patents
- Open access superconducting MRI magnet85US 5,412,363 AApplied Superconetics, Inc. · 1995
- Method and apparatus for cooling superconductor54US 6,354,087 B1Sumitomo Electric Industries, Ltd. · 2002
- Super conductive magnet apparatus54US 6,864,770 B2Hitachi, Ltd. · 2005
- Cryogenic cooling system50US 5,513,498 AGeneral Electric Company · 1996
- Cooling arrangement for a superconducting coil49US 5,774,032 AGeneral Electric Company · 1998