F02M 61/1853
Orifice plates
Official title: {Orifice plates}
F02M61/1853 (Orifice plates) appears on 524 US grants and 415 published applications in this corpus.
Search patents in F02M- Granted patents
- 524
- Published applications
- 415
- Assignees
- 121
- Inventors
- 847
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 12 | 0 |
| 1991 | 11 | 0 |
| 1992 | 6 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 13 | 0 |
| 1997 | 7 | 0 |
| 1998 | 20 | 0 |
| 1999 | 17 | 0 |
| 2000 | 16 | 0 |
| 2001 | 17 | 8 |
| 2002 | 22 | 28 |
| 2003 | 21 | 41 |
| 2004 | 37 | 41 |
| 2005 | 25 | 39 |
| 2006 | 31 | 34 |
| 2007 | 26 | 20 |
| 2008 | 18 | 15 |
| 2009 | 14 | 17 |
| 2010 | 14 | 11 |
| 2011 | 6 | 10 |
| 2012 | 11 | 10 |
| 2013 | 2 | 16 |
| 2014 | 12 | 15 |
| 2015 | 9 | 19 |
| 2016 | 13 | 14 |
| 2017 | 12 | 12 |
| 2018 | 11 | 19 |
| 2019 | 12 | 14 |
| 2020 | 16 | 13 |
| 2021 | 13 | 8 |
| 2022 | 9 | 1 |
| 2023 | 2 | 5 |
| 2024 | 3 | 0 |
| 2025 | 1 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Variable orifice fuel injection nozzle14 Jul 2026US 12,680,523 B2
- Injector for injecting fuel30 Jun 2026US 12,669,100 B2Liebherr-Components Deggendorf GmbH
- Working method of orifice and fuel injection valve29 Apr 2025US 12,286,950 B2Hitachi Astemo, Ltd.
- Fuel injector nozzle assembly including needle having flow guiding tip for directing fuel flow3 Sep 2024US 12,078,136 B2Caterpillar Inc.
- Fluid injector having a director plate and a director plate retainer16 Apr 2024US 11,959,446 B2Delphi Technologies IP Limited
- Fuel injector device for injecting fuel into a combustion chamber of an internal combustion engine17 Sep 2026US 2026/0275948 A1Cummins-Scania HPCR System, LLC
- Variable orifice fuel injection nozzle10 Sep 2026US 2026/0266251 A1
- Adjustable atomizing fuel injector assembly18 Jun 2026US 2026/0168473 A1
- Fuel injection valve22 May 2025US 2025/0163875 A1Hitachi Astemo, Ltd.
- Injector for injecting fuel13 Feb 2025US 2025/0052215 A1Liebherr-Components Deggendorf GmbH
Most cited
By later US patents
- 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
- Electroformed multilayer spray director and a process for the preparation thereof94US 5,685,491 AAMTX, Inc. · 1997
- Fuel injector with silicon nozzle84US 4,907,748 AFord Motor Company · 1990