G01R 33/4608
Rf excitation sequences for enhanced detection
Official title: {RF excitation sequences for enhanced detection, e.g. NOE, polarisation transfer, selection of a coherence transfer pathway}
G01R33/4608 (Rf excitation sequences for enhanced detection) appears on 124 US grants and 122 published applications in this corpus.
Search patents in G01R- Granted patents
- 124
- Published applications
- 122
- Assignees
- 94
- Inventors
- 306
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 4 |
| 2003 | 1 | 4 |
| 2004 | 8 | 8 |
| 2005 | 3 | 0 |
| 2006 | 1 | 3 |
| 2007 | 1 | 4 |
| 2008 | 3 | 2 |
| 2009 | 5 | 1 |
| 2010 | 0 | 6 |
| 2011 | 2 | 7 |
| 2012 | 1 | 7 |
| 2013 | 4 | 8 |
| 2014 | 3 | 7 |
| 2015 | 7 | 5 |
| 2016 | 5 | 8 |
| 2017 | 7 | 5 |
| 2018 | 6 | 4 |
| 2019 | 7 | 6 |
| 2020 | 10 | 7 |
| 2021 | 5 | 2 |
| 2022 | 3 | 6 |
| 2023 | 5 | 2 |
| 2024 | 6 | 7 |
| 2025 | 2 | 4 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Radiation-detected zero- to ultralow-field nuclear magnetic resonance22 Sep 2026US 12,742,742 B2Cern - European Organization for Nuclear Research
- Broadband method for signal amplification of magnetic resonance contrast agents within seconds and their purification22 Sep 2026US 12,742,844 B2Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Temperature cycling method for hyperpolarization of target molecules and contrast agents using parahydrogen3 Mar 2026US 12,566,228 B2Board of Trustees of Southern Illinois University
- Decreasing heavy gasoil fouling10 Feb 2026US 12,545,845 B2Phillips 66 Company
- NMR method and system for measuring a characteristic of veneer6 Jan 2026US 12,517,072 B2Kaakkois-Suomen Ammattikorkeakoulu Oy
- Analytical ultracentrifugation with nmr detection (auc-nmr)18 Jun 2026US 2026/0169105 A1Oregon State University
- Broadband method for signal amplification of magnetic resonance contrast agents within seconds and their purification18 Jun 2026US 2026/0169109 A1Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Probe head for dnp-nmr spectrometer with integrated mirror in the temperature control gas line for sample illumination4 Jun 2026US 2026/0153577 A1Bruker BioSpin GmbH
- Systems and methods for generation of hyperpolarized materials12 Feb 2026US 2026/0043879 A1Nvision Imaging Technologies GmbH
- Pulse-sequence method for electron paramagnetic resonance-based tissue analysis5 Feb 2026US 2026/0036659 A1O2M Technologies, LLC
Most cited
By later US patents
- Methods for creating a compound library and identifying lead chemical templates and ligands for target molecules60US 6,677,160 B1Pharmacia & Upjohn Company · 2004
- Detection of J-coupling using atomic magnetometer56US 9,140,657 B2The Regents of the University of California · 2015
- Method for eliminating ringing during a nuclear magnetic resonance measurement41US 6,121,774 ASchlumberger Technology Corporation · 2000
- Method and system for cancellation of extraneous signals in nuclear quadrupole resonance spectroscopy39US 6,392,408 B1Quamtum Magnetics, Inc. · 2002
- Method and apparatus for high resolution ex-situ NMR spectroscopy37US 6,674,282 B2The Regents of the University of California · 2004