F02M 25/022
Adding fuel and water emulsion, water or steam
F02M25/022 (Adding fuel and water emulsion, water or steam) appears on 825 US grants and 736 published applications in this corpus.
Search patents in F02M- Granted patents
- 825
- Published applications
- 736
- Assignees
- 318
- Inventors
- 1,325
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 17 | 0 |
| 1978 | 11 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 14 | 0 |
| 1982 | 16 | 0 |
| 1983 | 19 | 0 |
| 1984 | 19 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 11 | 0 |
| 1993 | 9 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 15 | 2 |
| 2002 | 17 | 6 |
| 2003 | 10 | 15 |
| 2004 | 10 | 20 |
| 2005 | 9 | 21 |
| 2006 | 18 | 19 |
| 2007 | 20 | 36 |
| 2008 | 23 | 31 |
| 2009 | 16 | 22 |
| 2010 | 24 | 25 |
| 2011 | 16 | 33 |
| 2012 | 14 | 33 |
| 2013 | 16 | 27 |
| 2014 | 28 | 48 |
| 2015 | 33 | 27 |
| 2016 | 22 | 40 |
| 2017 | 21 | 43 |
| 2018 | 44 | 59 |
| 2019 | 52 | 46 |
| 2020 | 39 | 44 |
| 2021 | 51 | 41 |
| 2022 | 31 | 28 |
| 2023 | 33 | 32 |
| 2024 | 23 | 11 |
| 2025 | 11 | 13 |
| 2026 | 8 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water management system for a hydrogen engine9 Jun 2026US 12,650,101 B2Hyundai Motor Company
- Controller for internal combustion engine and non-transitory computer-readable storage medium storing program for internal combustion engine9 Jun 2026US 12,650,103 B2Toyota Jidosha Kabushiki Kaisha
- Split cycle engine2 Jun 2026US 12,644,406 B2Fpt Industrial S.P.A.
- Method for managing piston temperature in a vehicle26 May 2026US 12,637,987 B2Brp-Rotax GmbH & Co. KG
- System and method for injecting condensate in cylinder of a reciprocating engine21 Apr 2026US 12,607,151 B2Innio Jenbacher GmbH & Co OG
- Method for performing mechanical work, arrangement for performing mechanical work, and method for converting mechanical energy into electrical energy24 Sep 2026US 2026/0287177 A1
- Method and Apparatus for Non-Fossil Fuel Internal Combustion Engine27 Aug 2026US 2026/0251112 A1MayMaan Research, LLC
- Feeding and exhaust system for internal combustion engine, or thermal unit, and respective method of operation13 Aug 2026US 2026/0235064 A1Rhapis S.R.L.
- Systems and method for managing temperature in an engine of a vehicle13 Aug 2026US 2026/0235083 A1Brp-Rotax GmbH & Co. KG
- System and method for managing temperature in an engine of a vehicle13 Aug 2026US 2026/0235089 A1Brp-Rotax GmbH & Co. KG
Most cited
By later US patents
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Multiple fuel supply system for an internal combustion engine164US 4,031,864 AThe United States of America as represented by the United States Energy Research and Development Administration · 1977
- Apparatus and method for reducing emissions in a dual combustion mode diesel engine156US 5,875,743 ASouthwest Research Institute · 1999
- System and method for engine fuel blend control110US 7,287,492 B2Ford Global Technologies, LLC · 2007
- Internal combustion engine102US 4,805,571 AHumphrey Cycle Engine Partners, L.P. · 1989