F02M 25/0221
Details of the water supply system
Official title: {Details of the water supply system, e.g. pumps or arrangement of valves}
F02M25/0221 (Details of the water supply system) appears on 341 US grants and 288 published applications in this corpus.
Search patents in F02M- Granted patents
- 341
- Published applications
- 288
- Assignees
- 163
- Inventors
- 647
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 10 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 12 | 0 |
| 1984 | 14 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 0 |
| 2002 | 4 | 1 |
| 2003 | 2 | 8 |
| 2004 | 5 | 12 |
| 2005 | 8 | 11 |
| 2006 | 5 | 8 |
| 2007 | 9 | 8 |
| 2008 | 8 | 14 |
| 2009 | 5 | 7 |
| 2010 | 7 | 6 |
| 2011 | 5 | 14 |
| 2012 | 5 | 6 |
| 2013 | 2 | 1 |
| 2014 | 6 | 15 |
| 2015 | 9 | 10 |
| 2016 | 5 | 14 |
| 2017 | 6 | 24 |
| 2018 | 22 | 27 |
| 2019 | 18 | 23 |
| 2020 | 14 | 21 |
| 2021 | 25 | 23 |
| 2022 | 18 | 10 |
| 2023 | 12 | 13 |
| 2024 | 10 | 2 |
| 2025 | 3 | 6 |
| 2026 | 3 | 4 |
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
- 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
- Fluid atomizer9 Dec 2025US 12,491,524 B2Ford Otomotiv Sanayi A. S.
- Fluid-conveying device with valves for controlling the fluid flow29 Apr 2025US 12,287,652 B2Vitesco Technologies GmbH
- Filter medium and method of production thereof7 May 2026US 2026/0126021 A1Neenah Gessner GmbH
- 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
- Liquid injection system, liquid injected engine system and method of controlling a liquid injection system29 Jan 2026US 2026/0028950 A1Cummins Power Generation Inc.
- Internal combustion engine system1 Jan 2026US 2026/0002497 A1Volvo Truck Corporation
- Air/steam engine and use thereof25 Dec 2025US 2025/0389237 A1
Most cited
By later US patents
- 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
- Water injection diesel engine73US 5,174,247 AMitsubishi Jukogyo Kabushiki Kaisha · 1992
- Method and apparatus for storing water separated from fuel70US 6,893,571 B2Filterwerk Mann & Hummel GmbH · 2005
- Turbo charged combustion engine with water injection69US 4,558,665 AAB Volvo · 1985