B01J 37/342
Of electric, magnetic or electromagnetic fields
Official title: {of electric, magnetic or electromagnetic fields, e.g. for magnetic separation}
B01J37/342 (Of electric, magnetic or electromagnetic fields) appears on 116 US grants and 119 published applications in this corpus.
Search patents in B01J- Granted patents
- 116
- Published applications
- 119
- Assignees
- 93
- Inventors
- 352
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 3 |
| 2003 | 3 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 4 |
| 2008 | 1 | 4 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 5 | 6 |
| 2012 | 4 | 2 |
| 2013 | 1 | 6 |
| 2014 | 2 | 4 |
| 2015 | 7 | 4 |
| 2016 | 3 | 7 |
| 2017 | 7 | 8 |
| 2018 | 5 | 4 |
| 2019 | 4 | 9 |
| 2020 | 6 | 15 |
| 2021 | 12 | 8 |
| 2022 | 10 | 5 |
| 2023 | 8 | 14 |
| 2024 | 6 | 4 |
| 2025 | 4 | 5 |
| 2026 | 7 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for producing functionalized organic molecules and uses thereof28 Jul 2026US 12,692,215 B2Universitat Politecnica De Catalunya
- Compositions, methods, and apparatuses for catalytic combustion12 May 2026US 12,623,210 B2Star Scientific Limited
- Palladium/palladium oxide/calcium silicate/graphitic carbon nitride nanocomposite material21 Apr 2026US 12,605,697 B1Imam Mohammad Ibn Saud Islamic University
- Catalytic assembly comprising a micrometric ferromagnetic material and use of said assembly for heterogeneous catalysis reactions21 Apr 2026US 12,605,698 B2Centre National De La Recherche Scientifique
- High-densification, high-uniformization, and manufacturing method of single- and multi-component nanoparticles7 Apr 2026US 12,594,548 B2Korea Advanced Institute of Science and Technology
- Photocatalytic co2 reduction with co-catalyst decorated nanostructures13 Nov 2025US 2025/0346492 A1The Regents of the University of Michigan
- Urea filtration device comprising nanofiber compositions11 Sep 2025US 2025/0281885 A1Accudx Corporation
- Catalysts and methods for making and using the same8 May 2025US 2025/0149601 A1The Regents of the University of California
- Porous permanently polarized hydroxyapatite, a process for its production and uses thereof27 Mar 2025US 2025/0099946 A1
- Quantum Printing Nanostructures Within Carbon Nanopores30 Jan 2025US 2025/0034702 A1Quantum Elements Development Inc.
Most cited
By later US patents
- Conducting polymer films containing nanodispersed catalyst particles: a new type of composite material for technological applications53US 5,334,292 ABoard of Regents, The University of Texas System · 1994
- Separation of catalyst from slurry bubble column wax and catalyst recycle41US 4,605,678 AMobil Oil Corporation · 1986
- Fluid purification system32US 6,248,235 B12001
- Exhaust gas purification catalyst, exhaust gas purification apparatus using the same and exhaust gas purification method29US 8,337,791 B2Daiichi Kigenso Kagaku Kogyo Co., Ltd. · 2012
- Low pressure drop, highly active catalyst systems using catalytically active gold28US 7,955,570 B23M Innovative Properties Company · 2011