F02M 61/1806
Characterised by the arrangement of discharge orifices
Official title: {characterised by the arrangement of discharge orifices, e.g. orientation or size}
F02M61/1806 (Characterised by the arrangement of discharge orifices) appears on 864 US grants and 848 published applications in this corpus.
Search patents in F02M- Granted patents
- 864
- Published applications
- 848
- Assignees
- 223
- Inventors
- 1,640
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 14 | 0 |
| 1992 | 11 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 18 | 0 |
| 1999 | 13 | 0 |
| 2000 | 23 | 0 |
| 2001 | 14 | 9 |
| 2002 | 20 | 31 |
| 2003 | 33 | 50 |
| 2004 | 41 | 53 |
| 2005 | 38 | 45 |
| 2006 | 46 | 46 |
| 2007 | 34 | 29 |
| 2008 | 19 | 26 |
| 2009 | 16 | 39 |
| 2010 | 13 | 27 |
| 2011 | 21 | 22 |
| 2012 | 14 | 28 |
| 2013 | 14 | 24 |
| 2014 | 24 | 39 |
| 2015 | 21 | 56 |
| 2016 | 37 | 55 |
| 2017 | 48 | 40 |
| 2018 | 38 | 48 |
| 2019 | 53 | 52 |
| 2020 | 39 | 39 |
| 2021 | 33 | 21 |
| 2022 | 25 | 24 |
| 2023 | 15 | 17 |
| 2024 | 20 | 12 |
| 2025 | 9 | 9 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02M 61/1813Discharge orifices having different orientations with respect to valve member direction of162
- F02M 61/182Discharge orifices being situated in different transversal planes with respect to valve159
- F02M 61/1833Discharge orifices having changing cross sections156
- F02M 61/1846Dimensional characteristics of discharge orifices144
- F02M 61/184Discharge orifices having non circular sections114
- F02M 61/1826Discharge orifices having different sizes101
Recent patents
- Fuel injector nozzle and fabrication method for the same16 Jun 2026US 12,655,820 B2Cummins-Scania HPCR System, LLC
- Fuel injection valve27 Jan 2026US 12,535,044 B2Denso Corporation
- Method and apparatus for hard machining orifices in fuel system and engine components6 Jan 2026US 12,516,650 B2Cummins-Scania HPCR System, LLC
- Fuel injector having multiple rows of spray holes with different cross-sectional shapes for flow modulation4 Nov 2025US 12,460,611 B2Cummins Inc.
- Fuel admission tube for enhanced mixing in gaseous fuel engine and engine operating method21 Oct 2025US 12,448,939 B1Caterpillar Inc.
- Turbulent jet controlled diffusion combustion engine23 Jul 2026US 2026/0210283 A1Aramco Services Company
- Adjustable atomizing fuel injector assembly18 Jun 2026US 2026/0168473 A1
- Fuel injector nozzle, fuel injector, internal combustion engine, and vehicle23 Apr 2026US 2026/0110284 A1Scania CV AB
- Ignition system23 Apr 2026US 2026/0110285 A1Volvo Truck Corporation
- Fuel injector for a turbine engine2 Apr 2026US 2026/0092562 A1General Electric Company
Most cited
By later US patents
- Combustion system for direct injection diesel engines95US 6,553,960 B1Yanmar Co., Ltd. · 2003
- Expanding cloud fuel injecting system77US 5,392,745 AServojet Electric Systems, Ltd. · 1995
- Fuel oil injector with a floating ball as its valve unit75US 5,054,691 AIndustrial Technology Research Institute · 1991
- Fuel injection valve63US 6,170,763 B2Robert Bosch GmbH · 2001
- Method and apparatus for delivering two fuels to a direct injection internal combustion engine61US 7,373,931 B2Westport Power Inc. · 2008