G01R 33/34
Constructional details
Official title: Constructional details, e.g. resonators {, specially adapted to MR}
G01R33/34 (Constructional details) appears on 3,538 US grants and 3,397 published applications in this corpus.
Search patents in G01R- Granted patents
- 3,538
- Published applications
- 3,397
- Assignees
- 767
- Inventors
- 4,456
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 5 | 0 |
| 1986 | 16 | 0 |
| 1987 | 35 | 0 |
| 1988 | 49 | 0 |
| 1989 | 37 | 0 |
| 1990 | 28 | 0 |
| 1991 | 32 | 0 |
| 1992 | 36 | 0 |
| 1993 | 40 | 0 |
| 1994 | 55 | 0 |
| 1995 | 45 | 0 |
| 1996 | 51 | 0 |
| 1997 | 44 | 0 |
| 1998 | 26 | 0 |
| 1999 | 29 | 0 |
| 2000 | 45 | 0 |
| 2001 | 51 | 17 |
| 2002 | 60 | 60 |
| 2003 | 57 | 84 |
| 2004 | 86 | 86 |
| 2005 | 71 | 109 |
| 2006 | 89 | 104 |
| 2007 | 99 | 110 |
| 2008 | 94 | 173 |
| 2009 | 108 | 157 |
| 2010 | 115 | 156 |
| 2011 | 114 | 108 |
| 2012 | 103 | 152 |
| 2013 | 103 | 170 |
| 2014 | 96 | 155 |
| 2015 | 85 | 236 |
| 2016 | 113 | 163 |
| 2017 | 190 | 149 |
| 2018 | 177 | 170 |
| 2019 | 239 | 167 |
| 2020 | 194 | 175 |
| 2021 | 152 | 140 |
| 2022 | 147 | 130 |
| 2023 | 118 | 122 |
| 2024 | 114 | 114 |
| 2025 | 100 | 134 |
| 2026 | 69 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01R 33/341Comprising surface coils1,801
- G01R 33/34046Volume type coils1,290
- G01R 33/34007Manufacture of rf coils739
- G01R 33/34084Implantable coils or coils being geometrically adaptable to the sample567
- G01R 33/34092Rf coils specially adapted for nmr spectrometers352
- G01R 33/34015Temperature-controlled rf coils313
- G01R 33/345Of waveguide type218
- G01R 33/343Of slotted-tube or loop-gap type93
All 9 subgroupsShow fewer
Recent patents
- Cooling apparatus for a control unit of a magnetic resonance device6 Oct 2026US 12,754,263 B2Siemens Healthineers AG
- Birdcage resonator for high resolution NMR applications6 Oct 2026US 12,754,264 B2Quad Systems Corporation
- Shimming device for a magnetic resonance imaging system29 Sep 2026US 12,748,169 B2Shanghai United Imaging Healthcare Co., Ltd.
- Magnetic resonance imaging apparatus and automatic channel selection method of multi-channel reception coil29 Sep 2026US 12,748,171 B2FUJIFILM Corporation
- 3D printed MRI coil, phantom and shimming element22 Sep 2026US 12,742,839 B2Katholieke Universiteit Leuven
- Blanket-type coil unit and coil system1 Oct 2026US 2026/0299059 A1FUJIFILM Corporation
- Blanket-type coil unit and coil system1 Oct 2026US 2026/0299060 A1FUJIFILM Corporation
- Coil system1 Oct 2026US 2026/0299061 A1FUJIFILM Corporation
- Wireless coils, magnetic resonance imaging systems including the same, and control methods for the magnetic resonance imaging24 Sep 2026US 2026/0287692 A1Shanghai United Imaging Healthcare Co., Ltd.
- Magnetic resonance imaging apparatus24 Sep 2026US 2026/0287693 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Methods for in vivo magnetic resonance imaging462US 6,549,800 B1Johns Hopkins Unversity School of Medicine · 2003
- Magnetic-resonance-guided imaging, electrophysiology, and ablation335US 6,701,176 B1The Johns Hopkins University School of Medicine · 2004
- Systems and methods for evaluating the urethra and the periurethral tissues305US 6,898,454 B2Surgi-Vision, Inc. · 2005
- Method of magnetic resonance imaging and spectroscopic analysis and associated apparatus employing a loopless antenna299US 5,928,145 AThe Johns Hopkins University · 1999
- Apparatus, systems, and methods for in vivo magnetic resonance imaging277US 6,628,980 B2Surgi-Vision, Inc. · 2003