G01R 33/3685
Means for reducing sheath currents
Official title: {Means for reducing sheath currents, e.g. RF traps, baluns}
G01R33/3685 (Means for reducing sheath currents) appears on 161 US grants and 172 published applications in this corpus.
Search patents in G01R- Granted patents
- 161
- Published applications
- 172
- Assignees
- 65
- Inventors
- 342
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 3 | 5 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 6 |
| 2007 | 4 | 7 |
| 2008 | 5 | 7 |
| 2009 | 5 | 3 |
| 2010 | 4 | 8 |
| 2011 | 2 | 10 |
| 2012 | 3 | 7 |
| 2013 | 9 | 8 |
| 2014 | 9 | 4 |
| 2015 | 4 | 10 |
| 2016 | 10 | 8 |
| 2017 | 3 | 11 |
| 2018 | 7 | 6 |
| 2019 | 14 | 20 |
| 2020 | 10 | 10 |
| 2021 | 12 | 10 |
| 2022 | 16 | 7 |
| 2023 | 7 | 5 |
| 2024 | 4 | 6 |
| 2025 | 6 | 10 |
| 2026 | 9 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reception cable and medical image diagnostic system6 Oct 2026US 12,755,867 B2FUJIFILM Corporation
- Magnetic resonance receiver coil array with sensor node18 Aug 2026US 12,710,493 B2Koninklijke Philips N. V.
- Radio frequency coil assembly with signal adjustment circuit, related method and computer program product18 Aug 2026US 12,710,495 B2Koninklijke Philips N. V.
- Radio frequency (RF) assembly with planar resonator11 Aug 2026US 12,704,570 B2Koninklijke Philips N. V.
- MRI compatible interventional wireguide4 Aug 2026US 12,697,470 B2Cook Medical Technologies LLC
- Radio frequency cable trap assembly with indication circuit27 Aug 2026US 2026/0251739 A1Koninklijke Philips N. V.
- Transmission cable assembly and interference signal suppression method for transmission cable assembly8 Jan 2026US 2026/0009874 A1Shanghai United Imaging Healthcare Co., Ltd.
- Built-in coil current sensing for 1h/23na mri25 Sep 2025US 2025/0298106 A1Imam Abdulrahman Bin Faisal University
- Magnetic resonance receiver coil array with sensor node10 Jul 2025US 2025/0224469 A1Koninklijke Philips N. V.
- A radio frequency (rf) assembly with planar resonator26 Jun 2025US 2025/0208243 A1Koninklijke Philips N. V.
Most cited
By later US patents
- Magnetic resonance imaging interference immune device111US 7,388,378 B2Medtronic, Inc. · 2008
- Controlled impedance monitoring lead wires76US 4,951,672 AGeneral Electric Company · 1990
- RF coil coupling for MRI with tuned RF rejection circuit using coax shield choke59US 4,682,125 AThe Regents of the University of California · 1987
- Arrangement for operating a symmetrical radio-frequency antenna in a nuclear magnetic resonance tomography apparatus49US 4,922,204 ASiemens Aktiengesellschaft · 1990
- Connection lead for an electrical accessory device of an MRI system46US 7,205,768 B2Koninklijke Philips Electronics N. V. · 2007