F02M 31/10
By hot liquids
Official title: by hot liquids, e.g. lubricants {or cooling water}
F02M31/10 (By hot liquids) appears on 205 US grants and 84 published applications in this corpus.
Search patents in F02M- Granted patents
- 205
- Published applications
- 84
- Assignees
- 86
- Inventors
- 300
- Latest grant
- 21 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 8 |
| 2003 | 6 | 3 |
| 2004 | 6 | 2 |
| 2005 | 2 | 5 |
| 2006 | 0 | 4 |
| 2007 | 6 | 2 |
| 2008 | 4 | 4 |
| 2009 | 6 | 1 |
| 2010 | 2 | 0 |
| 2011 | 3 | 7 |
| 2012 | 1 | 3 |
| 2013 | 1 | 4 |
| 2014 | 2 | 4 |
| 2015 | 1 | 4 |
| 2016 | 1 | 11 |
| 2017 | 6 | 3 |
| 2018 | 10 | 7 |
| 2019 | 4 | 3 |
| 2020 | 4 | 4 |
| 2021 | 6 | 3 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Engine producing thrust using an induction heating assembly to energize the fuel21 Nov 2023US 11,821,367 B2Oqab Dietrich Induction Inc.
- Pre-heating device4 Oct 2022US 11,459,981 B2Stahlotec GmbH
- Gas engine power generation system30 Aug 2022US 11,428,194 B2LG Electronics Inc.
- Methods and systems for an engine with exhaust gas recirculation2 Nov 2021US 11,162,460 B2Ford Global Technologies, LLC
- Temperature control throttle device for an engine2 Nov 2021US 11,162,461 B2
- Engine device18 Sep 2025US 2025/0290473 A1Yanmar Holdings Co., Ltd.
- Engine for producing thrust2 Sep 2021US 2021/0270210 A1Oqab Dietrich Induction Inc.
- Gas engine power generation system1 Apr 2021US 2021/0095621 A1LG Electronics Inc.
- Pre-heating device28 Jan 2021US 2021/0025356 A1Stahlotec GmbH
- Compression ignition engine with supercharger2 Jul 2020US 2020/0208582 A1Mazda Motor Corporation
Most cited
By later US patents
- Method and apparatus for operation of combustion engines205US 6,155,212 A2000
- HCCI engine intake/exhaust systems for fast inlet temperature and pressure control with intake pressure boosting117US 6,675,579 B1Ford Global Technologies, LLC · 2004
- Method and apparatus for improved operation of internal combustion engines115US 5,343,699 A1994
- Energy conversion system106US 6,756,140 B12004
- Fuel modification method and apparatus for reduction of pollutants emitted from internal combustion engines99US 5,357,908 AEngelhard Corporation · 1994