F02M 27/045
By permanent magnets
Official title: {by permanent magnets}
F02M27/045 (By permanent magnets) appears on 176 US grants and 127 published applications in this corpus.
Search patents in F02M- Granted patents
- 176
- Published applications
- 127
- Assignees
- 91
- Inventors
- 294
- Latest grant
- 2 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 1 |
| 2002 | 6 | 5 |
| 2003 | 3 | 11 |
| 2004 | 7 | 5 |
| 2005 | 4 | 7 |
| 2006 | 1 | 7 |
| 2007 | 1 | 12 |
| 2008 | 8 | 5 |
| 2009 | 6 | 12 |
| 2010 | 5 | 6 |
| 2011 | 1 | 9 |
| 2012 | 4 | 4 |
| 2013 | 6 | 6 |
| 2014 | 2 | 7 |
| 2015 | 2 | 2 |
| 2016 | 6 | 3 |
| 2017 | 1 | 7 |
| 2018 | 3 | 6 |
| 2019 | 3 | 0 |
| 2020 | 4 | 6 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for the treatment and elimination of bacteria in hydrocarbon fuels and process for its manufacture and surface activation2 Jul 2024US 12,025,080 B2
- Systems and apparatuses for efficiently burning fuels21 Nov 2023US 11,821,625 B2Temple University of the Commonwealth System of Higher Education
- Precombustion nitric oxide exchange chamber (NOEC)20 Jun 2023US 11,680,519 B1
- Apparatus with active prefilter for fluid oxidant for any type of combustion and device using an oxidant2 Aug 2022US 11,401,893 B1Ecopra
- Device for reducing pollutant gas emissions by means of catalyst management in the combustion process8 Feb 2022US 11,242,825 B2Encolnvest International, S.L.
- Emission reduction19 Feb 2026US 2026/0049587 A1
- Magnetic device for controlling fluid flow in a well2 Oct 2025US 2025/0305386 A1Petroleo Brasileiro S.A. - Petrobras
- Magnetic anti-scaling device13 Feb 2025US 2025/0051196 A1Petroleo Brasileiro S.A. - Petrobras
- Virtual photon catalysis apparatus and method for catalytic treatment by using the virtual photon catalysis apparatus20 Apr 2023US 2023/0118933 A1Harbin Wanyu Technology Co., Ltd
- Magnetic hydrocarbon fuel treatment device and method28 Apr 2022US 2022/0127535 A1
Most cited
By later US patents
- Combustion enhancement system and method87US 6,745,744 B22004
- Water conditioning apparatus57US 3,951,807 A1976
- Magnetic fluid conditioner56US 4,711,271 A1987
- Method and apparatus to enhance combustion of a fuel54US 6,763,811 B1Ronnell Company, Inc. · 2004
- Water treatment device and method for manufacturing same53US 4,153,559 A1979