G01R 33/389
Field stabilisation
Official title: Field stabilisation {, e.g. by field measurements and control means or indirectly by current stabilisation}
G01R33/389 (Field stabilisation) appears on 185 US grants and 144 published applications in this corpus.
Search patents in G01R- Granted patents
- 185
- Published applications
- 144
- Assignees
- 96
- Inventors
- 350
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 5 |
| 2003 | 4 | 7 |
| 2004 | 7 | 5 |
| 2005 | 5 | 2 |
| 2006 | 2 | 6 |
| 2007 | 8 | 3 |
| 2008 | 2 | 4 |
| 2009 | 5 | 5 |
| 2010 | 2 | 7 |
| 2011 | 2 | 2 |
| 2012 | 4 | 1 |
| 2013 | 2 | 3 |
| 2014 | 1 | 5 |
| 2015 | 4 | 1 |
| 2016 | 2 | 6 |
| 2017 | 3 | 6 |
| 2018 | 5 | 16 |
| 2019 | 17 | 12 |
| 2020 | 16 | 13 |
| 2021 | 12 | 10 |
| 2022 | 6 | 7 |
| 2023 | 6 | 5 |
| 2024 | 6 | 5 |
| 2025 | 5 | 6 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for computing operation execution including flux field stabilization engine11 Aug 2026US 12,704,572 B1
- Electromagnetic shielding for magnetic resonance imaging methods and apparatus7 Jul 2026US 12,672,791 B2Hyperfine Operations, Inc.
- Reducing and correcting magnetic field gradient deviations23 Jun 2026US 12,663,491 B2Siemens Healthineers AG
- Resistive electromagnet systems and methods31 Mar 2026US 12,591,028 B2ViewRay Systems, Inc.
- MRI apparatus with improved thermal control system and method for operating said thermal control system2 Dec 2025US 12,487,302 B2Esaote S.p.A.
- Computer implemented method, computer program product, computer-readable storage medium, and system for enhancement of the signal-to-noise ratio of a magnetic field evolution4 Jun 2026US 2026/0154882 A1Skope Magnetic Resonance Technologies GMBH
- Method for operating a magnetic resonance facility, magnetic resonance facility, associated control facility and associated storage unit30 Apr 2026US 2026/0118463 A1
- Short-bore mri system with non-spherical field of view28 Aug 2025US 2025/0271520 A1
- Magnetic resonance imaging systems and methods28 Aug 2025US 2025/0272890 A1Shanghai United Imaging Healthcare Co., Ltd.
- Localizing, Imaging, and Heating Magnetic Nanoparticles Using Magnetic Nanoparticle Magnetization Controlled Through Electron Paramagnetic Resonance and Ferromagnetic Resonance7 Aug 2025US 2025/0249273 A1Mary Hitchcock Memorial Hospital, for itself and on behalf of Dartmouth-Hitchcock Clinic
Most cited
By later US patents
- Portable magnetic resonance imaging methods and apparatus116US 10,222,434 B2Hyperfine Research, Inc. · 2019
- Electromagnetic shielding for magnetic resonance imaging methods and apparatus104US 10,274,561 B2Hyperfine Research, Inc. · 2019
- Low-field magnetic resonance imaging methods and apparatus103US 10,281,541 B2Hyperfine Research, Inc. · 2019
- Field-frequency lock system for magnetic resonance system75US 6,242,915 B1General Electric Company · 2001
- Low power magnetic resonance imaging methods and apparatus73US 10,330,755 B2Hyperfine Research, Inc. · 2019