F02B 3/12
Methods of operating
F02B3/12 (Methods of operating) appears on 21 US grants and 19 published applications in this corpus.
Search patents in F02B- Granted patents
- 21
- Published applications
- 19
- Assignees
- 18
- Inventors
- 69
- Latest grant
- 3 Nov 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 3 |
| 2018 | 3 | 5 |
| 2019 | 4 | 2 |
| 2020 | 3 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Early pilot lean burn strategy in dual fuel engine using targeted pilot flames3 Nov 2020US 10,823,106 B1Caterpillar Inc.
- Adsorbent circulation for onboard octane on-demand and cetane on-demand13 Oct 2020US 10,801,422 B2Saudi Arabian Oil Company
- Method for a diesel engine and diesel engine25 Feb 2020US 10,570,817 B2Hedman Ericsson Patent AB
- Adsorbent circulation for onboard octane on-demand and cetane on-demand24 Sep 2019US 10,422,288 B1Saudi Arabian Oil Company
- Engine10 Sep 2019US 10,408,161 B2Yanmar Co., Ltd.
- Fuel agnostic compression ignition engine13 Jun 2024US 2024/0191649 A1ClearFlame Engines, Inc.
- Early pilot lean burn strategy in dual fuel engine using targeted pilot flames19 Nov 2020US 2020/0362791 A1Caterpillar Inc.
- Internal combustion engine intake power booster system5 Nov 2020US 2020/0347775 A1Jetoptera, Inc.
- Adsorbent circulation for onboard octane on-demand and cetane on-demand12 Dec 2019US 2019/0376457 A1Saudi Arabian Oil Company
- Adsorbent circulation for onboard octane on-demand and cetane on-demand3 Oct 2019US 2019/0301372 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Apparatus and method for reducing emissions in a dual combustion mode diesel engine156US 5,875,743 ASouthwest Research Institute · 1999
- Direct injection type internal combustion engine and controlling method therefor69US 6,622,690 B2Mitsubishi Jidosha Kogyo Kabushiki Kaisha · 2003
- Air-compressing fuel-injection internal-combustion engine with an exhaust treatment device for reduction of nitrogen oxides49US 5,479,775 AMercedes-Benz AG · 1996
- Multicylinder heat engines44US 3,941,113 ASociete Anonyme de Vehicules Industriels et d'Equipement Mecaniques Saviem · 1976
- Engine combustion system19US 3,960,121 ABackus Devices, Incorporated · 1976