G01R 33/34076
Birdcage coils
Official title: {Birdcage coils}
G01R33/34076 (Birdcage coils) appears on 297 US grants and 302 published applications in this corpus.
Search patents in G01R- Granted patents
- 297
- Published applications
- 302
- Assignees
- 123
- Inventors
- 504
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 5 |
| 2003 | 4 | 0 |
| 2004 | 7 | 8 |
| 2005 | 3 | 5 |
| 2006 | 7 | 6 |
| 2007 | 6 | 5 |
| 2008 | 3 | 17 |
| 2009 | 12 | 21 |
| 2010 | 8 | 28 |
| 2011 | 23 | 6 |
| 2012 | 12 | 17 |
| 2013 | 9 | 21 |
| 2014 | 12 | 9 |
| 2015 | 10 | 15 |
| 2016 | 11 | 10 |
| 2017 | 15 | 17 |
| 2018 | 13 | 18 |
| 2019 | 19 | 26 |
| 2020 | 25 | 12 |
| 2021 | 18 | 12 |
| 2022 | 14 | 13 |
| 2023 | 9 | 10 |
| 2024 | 8 | 9 |
| 2025 | 9 | 8 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Birdcage resonator for high resolution NMR applications6 Oct 2026US 12,754,264 B2Quad Systems Corporation
- Radio frequency RF transmit coil for a magnetic resonance imaging system and magnetic resonance imaging system comprising the coil22 Sep 2026US 12,742,841 B2Koninklijke Philips N. V.
- Half driving mode for degenerate birdcage coils and ladder coils28 Jul 2026US 12,693,356 B2Quality Electrodynamics, LLC
- Magnetic resonance multi-core radio frequency coil device and control method, and magnetic resonance imaging system9 Jun 2026US 12,650,479 B2Shenzhen Institutes of Advanced Technology
- Radio frequency coil with T-shaped connector between electrical conductors and radio frequency shield5 May 2026US 12,618,923 B2Koninklijke Philips N. V.
- Systems and methods for volumetric acquisition in a single-sided mri scanner30 Jul 2026US 2026/0219342 A1Promaxo, Inc.
- System and method for multiphoton parallel transmit excitation for mri21 May 2026US 2026/0140215 A1The General Hospital Corporation
- Pseudo-birdcage coil with variable tuning and applications thereof9 Apr 2026US 2026/0098920 A1Promaxo, Inc.
- Radio frequency coil and resonance assembly for magnetic resonance imaging system5 Mar 2026US 2026/0063739 A1GE Precision Healthcare LLC
- System and Methods for Organ-Targeted Multinuclear Functional and Molecular Magnetic Resonance Imaging16 Oct 2025US 2025/0321305 A1
Most cited
By later US patents
- Resonator system161US 7,193,418 B2Bruker BioSpin GmbH · 2007
- Birdcage-like transmitting antenna for MRI135US 7,990,146 B2Siemens Aktiengesellschaft · 2011
- Apparatus for use in neonatal magnetic resonance imaging90US 6,611,702 B2General Electric Company · 2003
- Vascular stent with composite structure for magnetic reasonance imaging capabilities89US 6,767,360 B1Inflow Dynamics Inc. · 2004
- Radio frequency field coil for NMR88US 4,680,548 AGeneral Electric Company · 1987