B01J 2219/0866
Four magnets
Official title: Four (electro)magnets
B01J2219/0866 (Four magnets) appears on 13 US grants and 10 published applications in this corpus.
Search patents in B01J- Granted patents
- 13
- Published applications
- 10
- Assignees
- 6
- Inventors
- 19
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 3 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods and apparatus for triggering exothermic reactions using AC or DC electromagnetics18 Mar 2025US 12,251,675 B2IHJ Holdings Ltd.
- Methods and apparatus for triggering exothermic reactions using AC or DC electromagnetics18 Apr 2023US 11,628,414 B2IHJ Holdings Ltd.
- Simultaneous generation of electricity and chemicals using a renewable primary energy source29 May 2018US 9,985,299 B1
- Methods, materials, and systems for converting organic acids to alcohols9 Jan 2018US 9,862,663 B2Empire Technology Development LLC
- Method using solar energy, microwaves and plasmas to produce a liquid fuel and hydrogen from biomass or fossil coal5 Mar 2013US 8,388,706 B2
- Methods and apparatus for triggering exothermic reactions using ac or dc electromagnetics24 Jul 2025US 2025/0235844 A1IHJ Holdings Ltd.
- Methods and apparatus for triggering exothermic reactions using ac or dc electromagnetics31 Aug 2023US 2023/0271154 A1IHJ Holdings Ltd.
- Methods and apparatus for triggering exothermic reactions using ac or dc electromagnetics6 Aug 2020US 2020/0246774 A1IH IP Holdings Limited
- Methods, materials, and systems for converting organic acids to alcohols10 Sep 2015US 2015/0251981 A1Empire Technology Development LLC
- Method using solar energy, microwaves and plasmas to produce a liquid fuel and hydrogen from biomass or fossil coal14 Oct 2010US 2010/0258429 A1
Most cited
By later US patents
- Device for magnetically treating materials and associated methods17US 6,959,640 B2Omega Patents, L.L.C. · 2005
- Method using solar energy, microwaves and plasmas to produce a liquid fuel and hydrogen from biomass or fossil coal15US 8,388,706 B22013
- Device for magnetically treating a fluid11US 5,766,461 A1998
- Apparatus for magnetic treatment of fluid10US 6,277,275 B1Sumitomo Special Metals Co., Ltd. · 2001
- Manufacturing apparatus for carbon nanotube5US 6,936,228 B2Fuji Xerox Co., Ltd. · 2005