G01R 33/34061
Helmholtz coils
Official title: {Helmholtz coils}
G01R33/34061 (Helmholtz coils) appears on 158 US grants and 96 published applications in this corpus.
Search patents in G01R- Granted patents
- 158
- Published applications
- 96
- Assignees
- 82
- Inventors
- 292
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 3 |
| 2003 | 5 | 7 |
| 2004 | 5 | 1 |
| 2005 | 2 | 5 |
| 2006 | 4 | 2 |
| 2007 | 4 | 3 |
| 2008 | 1 | 7 |
| 2009 | 4 | 8 |
| 2010 | 10 | 7 |
| 2011 | 5 | 8 |
| 2012 | 8 | 6 |
| 2013 | 4 | 5 |
| 2014 | 5 | 2 |
| 2015 | 4 | 2 |
| 2016 | 2 | 2 |
| 2017 | 2 | 4 |
| 2018 | 0 | 2 |
| 2019 | 5 | 6 |
| 2020 | 4 | 3 |
| 2021 | 3 | 5 |
| 2022 | 5 | 1 |
| 2023 | 3 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Low-noise RF detection and acquisition system based on squid and equipment items including this system4 Nov 2025US 12,461,175 B2Chipiron
- High-frequency magnetic field generating device11 Mar 2025US 12,248,049 B2Sumida Corporation
- Coil unit decoupling apparatus and magnetic resonance system11 Jul 2023US 11,699,982 B2Siemens Healthcare GmbH
- Stable water isotope labeling and magnetic resonance imaging for visualization of the presence of and prediction of the likelihood of occurence of rapidly dividing cells27 Jun 2023US 11,684,306 B2THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY, DEPARTMENT OF HEALTH AND HUMAN SERVICES et al.
- High-frequency magnetic field generating device6 Jun 2023US 11,668,778 B2Sumida Corporation
- Desktop epr imager and method4 Dec 2025US 2025/0370079 A1O2M Technologies, LLC
- Magnetic Resonance System Comprising a Magnetic Resonance Apparatus and an Elastography Apparatus14 Aug 2025US 2025/0258264 A1Siemens Healthineers AG
- Improved low field magnetic resonance imaging instrumental system and methods of use19 Jun 2025US 2025/0199100 A1Centre National De La Recherche Scientifique
- High-frequency magnetic field generating device12 Jun 2025US 2025/0189610 A1Sumida Corporation
- Low-noise rf detection and acquisition system based on squid and equipment items including this system8 Feb 2024US 2024/0045005 A1Chipiron
Most cited
By later US patents
- Radio frequency coil for open magnetic resonance imaging system194US 6,437,567 B1General Electric Company · 2002
- Resonator system161US 7,193,418 B2Bruker BioSpin GmbH · 2007
- Method of obtaining information of a specified or target area of a living body near its skin surface by the application of a nuclear magnetic resonance phenomenon123US 4,240,439 AHokkaido University · 1980
- Miniature and multi-band RF coil design118US 8,056,819 B2Hong Kong Applied Science and Technology Research Institute Company Limited · 2011
- System for delivering conformal radiation therapy while simultaneously imaging soft tissue115US 7,907,987 B2University of Florida Research Foundation, Inc. · 2011