F02B 47/02
The substances being water or steam
Official title: the substances being water or steam
F02B47/02 (The substances being water or steam) appears on 340 US grants and 275 published applications in this corpus.
Search patents in F02B- Granted patents
- 340
- Published applications
- 275
- Assignees
- 148
- Inventors
- 526
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 11 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 0 |
| 2002 | 11 | 7 |
| 2003 | 7 | 6 |
| 2004 | 7 | 9 |
| 2005 | 1 | 9 |
| 2006 | 8 | 8 |
| 2007 | 7 | 11 |
| 2008 | 7 | 8 |
| 2009 | 4 | 11 |
| 2010 | 6 | 8 |
| 2011 | 5 | 7 |
| 2012 | 4 | 10 |
| 2013 | 6 | 13 |
| 2014 | 9 | 9 |
| 2015 | 9 | 11 |
| 2016 | 4 | 22 |
| 2017 | 8 | 10 |
| 2018 | 19 | 22 |
| 2019 | 24 | 25 |
| 2020 | 17 | 15 |
| 2021 | 21 | 18 |
| 2022 | 9 | 10 |
| 2023 | 10 | 8 |
| 2024 | 4 | 6 |
| 2025 | 6 | 7 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for controlling the operation of a hydrogen combustion engine system3 Feb 2026US 12,540,568 B2Volvo Truck Corporation
- Control system for an internal combustion engine, internal combustion engine system, and method for controlling internal combustion engine9 Sep 2025US 12,410,760 B2Cummins Power Generation Inc.
- Method of operating a water injection system19 Aug 2025US 12,392,278 B2Phinia Delphi Luxembourg Sarl
- Hydrogen-fueled four-stroke internal combustion engine29 Jul 2025US 12,372,025 B2Dma Tech S.à R.L.
- Method and Apparatus for Non-Fossil Fuel Internal Combustion Engine27 Aug 2026US 2026/0251112 A1MayMaan Research, LLC
- System and method for managing temperature in an engine of a vehicle13 Aug 2026US 2026/0235089 A1Brp-Rotax GmbH & Co. KG
- Methods and Devices for Reducing NOx Emissions Produced by Diesel Engines2 Jul 2026US 2026/0185497 A1
- Method for diagnosing a water injection system of an internal combustion engine of a hybrid electric vehicle, and hybrid electric vehicle19 Feb 2026US 2026/0049586 A1Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Method for operating an internal combustion engine, and internal combustion engine19 Feb 2026US 2026/0051207 A1Dr. Ing. h,c.F. Porsche Aktiengesellschaft
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
- Internal combustion engine102US 4,805,571 AHumphrey Cycle Engine Partners, L.P. · 1989
- Apparatus and method for controlling homogeneous charge compression ignition combustion in diesel engines91US 5,832,880 ASouthwest Research Institute · 1998
- Water injection amount control system for fuel and water injection engine89US 6,112,705 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 2000
- Method of hydrating the intake air of an internal combustion engine86US 6,698,387 B12004