C02F 1/484
Using electromagnets
Official title: {using electromagnets}
C02F1/484 (Using electromagnets) appears on 188 US grants and 219 published applications in this corpus.
Search patents in C02F- Granted patents
- 188
- Published applications
- 219
- Assignees
- 127
- Inventors
- 324
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 5 |
| 2004 | 5 | 3 |
| 2005 | 1 | 4 |
| 2006 | 1 | 1 |
| 2007 | 2 | 3 |
| 2008 | 2 | 1 |
| 2009 | 4 | 2 |
| 2010 | 0 | 2 |
| 2011 | 3 | 4 |
| 2012 | 0 | 11 |
| 2013 | 1 | 8 |
| 2014 | 9 | 10 |
| 2015 | 7 | 19 |
| 2016 | 10 | 19 |
| 2017 | 17 | 16 |
| 2018 | 4 | 19 |
| 2019 | 16 | 12 |
| 2020 | 15 | 18 |
| 2021 | 9 | 19 |
| 2022 | 9 | 12 |
| 2023 | 13 | 7 |
| 2024 | 14 | 8 |
| 2025 | 7 | 9 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Recycling system4 Aug 2026US 12,698,223 B2BYD Company Limited
- Magnetic treatment of fluids to be used in the production of alcoholic beverages with hydromagnetic resonators2 Jun 2026US 12,644,081 B1NEAU Brands, Inc.
- Devices and methods for treatment of wastewater17 Feb 2026US 12,552,693 B2University of South Carolina
- Engines structure for water molecules impulse, order and control for agriculture purposes28 Oct 2025US 12,454,475 B2
- Fluid treatment system, separator and method using a magnetic field30 Sep 2025US 12,427,440 B2RJ Enterprises, Inc.
- Water filtration assembly and method for electronics assembly24 Sep 2026US 2026/0285706 A1Haier US Appliance Solutions, Inc.
- Water filtration assembly and method for assembly24 Sep 2026US 2026/0285707 A1Haier US Appliance Solutions, Inc.
- Recirculating, purifying, disinfecting, cooling, decontaminating, decrystallizing feedback controlled water system for drinking water and other uses to improve health and well being of animals and humans3 Sep 2026US 2026/0257954 A1Wet Holdings (Global) Limited
- Altering properties of a fluid and magnetically assisted desalination6 Aug 2026US 2026/0225927 A1
- Device and method for imprinting an active effect of at least one reference product into a treatment product16 Jul 2026US 2026/0204365 A1Aequilliving Inc Limited
Most cited
By later US patents
- Apparatus for treating liquid to prevent and/or remove scale deposits75US 5,074,998 A1991
- Method and apparatus for electromagnetically treating a fluid53US 4,879,045 A1989
- Magnetic water treatment device39US 4,888,113 A1989
- Current driver for electronic descaling38US 5,725,778 ADrexel University · 1998
- Household appliance using water, namely a washing machine, with improved device for softening the water38US 6,823,878 B1ELTEK S.p.A. · 2004