F02M 25/0222
Water recovery or storage
Official title: {Water recovery or storage}
F02M25/0222 (Water recovery or storage) appears on 121 US grants and 136 published applications in this corpus.
Search patents in F02M- Granted patents
- 121
- Published applications
- 136
- Assignees
- 73
- Inventors
- 261
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 3 |
| 2005 | 3 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 3 |
| 2008 | 3 | 4 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 8 |
| 2012 | 2 | 1 |
| 2013 | 2 | 0 |
| 2014 | 6 | 11 |
| 2015 | 7 | 4 |
| 2016 | 1 | 11 |
| 2017 | 3 | 13 |
| 2018 | 16 | 15 |
| 2019 | 9 | 11 |
| 2020 | 6 | 15 |
| 2021 | 18 | 11 |
| 2022 | 9 | 5 |
| 2023 | 4 | 7 |
| 2024 | 7 | 1 |
| 2025 | 0 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water management system for a hydrogen engine9 Jun 2026US 12,650,101 B2Hyundai Motor Company
- System and method for injecting condensate in cylinder of a reciprocating engine21 Apr 2026US 12,607,151 B2Innio Jenbacher GmbH & Co OG
- Water management system for a hydrogen engine12 Nov 2024US 12,140,068 B1Hyundai Motor Company
- System, vehicle and method for lubricating a hydrogen injector in a vehicle12 Nov 2024US 12,140,114 B1Hyundai Motor Company
- Method of controlling water injection in an internal combustion engine22 Oct 2024US 12,123,365 B2Plastic Omnium Advanced Innovation and Research
- 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
- Water management system for a hydrogen engine21 Aug 2025US 2025/0264078 A1Hyundai Motor Company
- System and method for injecting condensate in cylinder of a reciprocating engine14 Aug 2025US 2025/0257698 A1Innio Jenbacher GmbH & Co OG
Most cited
By later US patents
- Method and apparatus for storing water separated from fuel70US 6,893,571 B2Filterwerk Mann & Hummel GmbH · 2005
- System for removal of water from diesel fuel systems42US 4,637,351 AFord Motor Company · 1987
- Gas mixture preparation system and method39US 6,301,890 B1MaK Motoren GmbH & Co. KG · 2001
- Low emission energy source37US 7,191,736 B2Los Angeles Advisory Services, Inc. · 2007
- Method and apparatus for hydrogen fueled internal combustion engines30US 3,983,882 ABillings Energy Research Corporation · 1976