F02M 61/18
Injection nozzles
Official title: Injection nozzles, e.g. having valve seats; {Details of valve member seated ends, not otherwise provided for}
F02M61/18 (Injection nozzles) appears on 1,651 US grants and 1,496 published applications in this corpus.
Search patents in F02M- Granted patents
- 1,651
- Published applications
- 1,496
- Assignees
- 349
- Inventors
- 2,694
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 10 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 8 | 0 |
| 1984 | 8 | 0 |
| 1985 | 15 | 0 |
| 1986 | 12 | 0 |
| 1987 | 12 | 0 |
| 1988 | 10 | 0 |
| 1989 | 17 | 0 |
| 1990 | 24 | 0 |
| 1991 | 25 | 0 |
| 1992 | 15 | 0 |
| 1993 | 25 | 0 |
| 1994 | 18 | 0 |
| 1995 | 23 | 0 |
| 1996 | 24 | 0 |
| 1997 | 16 | 0 |
| 1998 | 46 | 0 |
| 1999 | 40 | 0 |
| 2000 | 42 | 0 |
| 2001 | 40 | 23 |
| 2002 | 52 | 69 |
| 2003 | 62 | 102 |
| 2004 | 83 | 97 |
| 2005 | 75 | 88 |
| 2006 | 78 | 81 |
| 2007 | 57 | 70 |
| 2008 | 46 | 52 |
| 2009 | 37 | 60 |
| 2010 | 33 | 42 |
| 2011 | 37 | 40 |
| 2012 | 28 | 41 |
| 2013 | 22 | 47 |
| 2014 | 39 | 60 |
| 2015 | 32 | 81 |
| 2016 | 57 | 87 |
| 2017 | 65 | 60 |
| 2018 | 64 | 80 |
| 2019 | 75 | 85 |
| 2020 | 64 | 61 |
| 2021 | 63 | 54 |
| 2022 | 41 | 33 |
| 2023 | 31 | 29 |
| 2024 | 29 | 20 |
| 2025 | 15 | 19 |
| 2026 | 10 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02M 61/1806Characterised by the arrangement of discharge orifices864
- F02M 61/1853Orifice plates524
- F02M 61/188Spherical or partly spherical shaped valve member ends198
- F02M 61/1886Details of valve seats not covered by groups f02m61/1866 - f02m61/18892
- F02M 61/1873Valve seats or member ends having circumferential grooves or ridges77
- F02M 61/1893Details of valve member ends not covered by groups f02m61/1866 - f02m61/18866
- F02M 61/1866Valve seats or member ends having multiple cones31
Recent patents
- Fuel injection valve6 Oct 2026US 12,753,733 B2Robert Bosch GmbH
- Injectors, methods, and systems for dual fuel combustion22 Sep 2026US 12,742,428 B2
- Variable orifice fuel injection nozzle14 Jul 2026US 12,680,523 B2
- Nozzle cap, a fuel gas injection and a hydrogen internal combustion engine30 Jun 2026US 12,669,099 B2Volvo Truck Corporation
- Injector for injecting fuel30 Jun 2026US 12,669,100 B2Liebherr-Components Deggendorf GmbH
- Fuel injector device for injecting fuel into a combustion chamber of an internal combustion engine17 Sep 2026US 2026/0275948 A1Cummins-Scania HPCR System, LLC
- Ducted fuel injection strategy employing air jet injection for aiding soot oxidation10 Sep 2026US 2026/0266245 A1Caterpillar Inc.
- Variable orifice fuel injection nozzle10 Sep 2026US 2026/0266251 A1
- Dual fuel injector, design method therefor, and injection control method therefor27 Aug 2026US 2026/0251096 A1Weichai Power Co., Ltd.
- Fuel injector for direct injection of gaseous fuel27 Aug 2026US 2026/0251106 A9Phinia Delphi Luxembourg Sarl
Most cited
By later US patents
- Flow meter567US 6,874,480 B1Combustion Dynamics Corp. · 2005
- Silicon valve101US 4,756,508 AFord Motor Company · 1988
- Electrically controllable valve etched from silicon substrates100US 4,826,131 AFord Motor Company · 1989
- Spray nozzle and method of manufacturing same96US 5,435,884 AParker-Hannifin Corporation · 1995
- Combustion system for direct injection diesel engines95US 6,553,960 B1Yanmar Co., Ltd. · 2003