F02B 51/04
Involving electricity or magnetism
Official title: involving electricity or magnetism
F02B51/04 (Involving electricity or magnetism) appears on 92 US grants and 71 published applications in this corpus.
Search patents in F02B- Granted patents
- 92
- Published applications
- 71
- Assignees
- 52
- Inventors
- 143
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 2 |
| 2004 | 5 | 2 |
| 2005 | 0 | 3 |
| 2006 | 2 | 3 |
| 2007 | 1 | 2 |
| 2008 | 2 | 4 |
| 2009 | 2 | 3 |
| 2010 | 1 | 5 |
| 2011 | 1 | 3 |
| 2012 | 0 | 4 |
| 2013 | 3 | 2 |
| 2014 | 4 | 5 |
| 2015 | 5 | 3 |
| 2016 | 2 | 2 |
| 2017 | 2 | 5 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 2 | 5 |
| 2021 | 2 | 3 |
| 2022 | 4 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 3 |
| 2025 | 0 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power generation and methods regarding same30 Jun 2026US 12,669,080 B2Brilliant Light Power, Inc.
- Split cycle engine2 Jun 2026US 12,644,406 B2Fpt Industrial S.P.A.
- Split cycle engine3 Sep 2024US 12,078,096 B2Dolphin N2 Limited
- Power generation systems and methods regarding same23 Jul 2024US 12,044,164 B2Brilliant Light Power, Inc.
- Precombustion nitric oxide exchange chamber (NOEC)20 Jun 2023US 11,680,519 B1
- Power generation and methods regarding same24 Sep 2026US 2026/0286883 A1Brilliant Light Power, Inc.
- Internal combustion engine13 Aug 2026US 2026/0235095 A1
- Apparatus and methods for plasma assisted combustion1 May 2025US 2025/0137400 A1
- Split Cycle Engine17 Oct 2024US 2024/0344478 A1Dolphin N2 Limited
- Power generation and methods regarding same17 Oct 2024US 2024/0344481 A1Brilliant Light Power, Inc.
Most cited
By later US patents
- Hydrogen supplemented diesel electric locomotive89US 4,382,189 A1983
- Hydrogen supply method62US 4,211,537 A1980
- Emission abatement system58US 6,560,958 B1Massachusetts Institute of Technology · 2003
- System and device for the ignition of an internal combustion engine using a lean air-fuel mixture56US 4,041,922 ATokai TRW & Co., Ltd. · 1977
- Method and apparatus for influencing thermo-chemical reactions51US 4,091,779 ADaimler-Benz Aktiengesellschaft · 1978