G01R 33/4215
Of the gradient magnetic field
Official title: {of the gradient magnetic field, e.g. using passive or active shielding of the gradient magnetic field}
G01R33/4215 (Of the gradient magnetic field) appears on 222 US grants and 189 published applications in this corpus.
Search patents in G01R- Granted patents
- 222
- Published applications
- 189
- Assignees
- 89
- Inventors
- 375
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 12 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 6 |
| 2003 | 3 | 3 |
| 2004 | 3 | 4 |
| 2005 | 4 | 4 |
| 2006 | 4 | 1 |
| 2007 | 3 | 4 |
| 2008 | 5 | 10 |
| 2009 | 7 | 9 |
| 2010 | 5 | 5 |
| 2011 | 2 | 5 |
| 2012 | 3 | 7 |
| 2013 | 4 | 6 |
| 2014 | 5 | 10 |
| 2015 | 4 | 5 |
| 2016 | 5 | 6 |
| 2017 | 8 | 1 |
| 2018 | 9 | 13 |
| 2019 | 12 | 13 |
| 2020 | 18 | 19 |
| 2021 | 12 | 14 |
| 2022 | 8 | 11 |
| 2023 | 12 | 11 |
| 2024 | 11 | 15 |
| 2025 | 10 | 4 |
| 2026 | 11 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shimming device for a magnetic resonance imaging system29 Sep 2026US 12,748,169 B2Shanghai United Imaging Healthcare Co., Ltd.
- Magnetic resonance compatible robot system21 Jul 2026US 12,687,598 B2Beijing Precision Medtech Co., Ltd.
- Electromagnetic shielding for magnetic resonance imaging methods and apparatus7 Jul 2026US 12,672,791 B2Hyperfine Operations, Inc.
- Biomagnetic field sensor systems and methods for diagnostic evaluation of cardiac conditions7 Jul 2026US 12,674,851 B2SB Technology, Inc.
- Magnetic resonance imaging systems and components thereof26 May 2026US 12,638,527 B2Shanghai United Imaging Healthcare Co., Ltd.
- Local coil device, magnetic resonance device, and method for determining an inclination1 Oct 2026US 2026/0299067 A1
- Coil assembly for a magnetic resonance examination system comprising an unshielded gradient coil21 May 2026US 2026/0140209 A1Koninklijke Philips N. V.
- Magnet system for nuclear magnetic resonance22 Jan 2026US 2026/0023141 A1Synex Medical Inc.
- Determining a configuration for magnetic resonance imaging28 Aug 2025US 2025/0271531 A1
- Gradient coil assembly and magnetic resonance imaging system3 Jul 2025US 2025/0216487 A1Shanghai United Imaging Healthcare Co., Ltd.
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
- Gradient coils for magnetic resonance meeting86US 6,144,204 APicker Nordstar Inc. · 2000
- Low power magnetic resonance imaging methods and apparatus73US 10,330,755 B2Hyperfine Research, Inc. · 2019