F02D 19/0686
Injectors
Official title: {Injectors}
F02D19/0686 (Injectors) appears on 807 US grants and 849 published applications in this corpus.
Search patents in F02D- Granted patents
- 807
- Published applications
- 849
- Assignees
- 239
- Inventors
- 1,259
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 1 |
| 2002 | 13 | 16 |
| 2003 | 12 | 11 |
| 2004 | 12 | 11 |
| 2005 | 7 | 16 |
| 2006 | 15 | 15 |
| 2007 | 19 | 43 |
| 2008 | 32 | 37 |
| 2009 | 21 | 45 |
| 2010 | 36 | 56 |
| 2011 | 34 | 54 |
| 2012 | 45 | 59 |
| 2013 | 49 | 63 |
| 2014 | 41 | 85 |
| 2015 | 54 | 53 |
| 2016 | 52 | 52 |
| 2017 | 44 | 33 |
| 2018 | 38 | 24 |
| 2019 | 34 | 33 |
| 2020 | 35 | 22 |
| 2021 | 24 | 20 |
| 2022 | 16 | 16 |
| 2023 | 30 | 16 |
| 2024 | 24 | 17 |
| 2025 | 22 | 27 |
| 2026 | 8 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel system having dual fuel quill connector and quill connector installation method26 May 2026US 12,637,994 B2Caterpillar Inc.
- Fuel system for a spark ignition engine21 Apr 2026US 12,607,150 B2Fpt Industrial S.P.A.
- Fuel supply system for supplying a fuel emulsion to a fuel injection system of an engine14 Apr 2026US 12,601,305 B2Caterpillar Motoren GmbH & Co. KG
- Apparatus and method for regulating gaseous fuel pressure and mitigating emissions in an internal combustion engine system7 Apr 2026US 12,595,772 B2Cespira Canada LP
- Asymmetric fuel injection window and fuel metering window17 Mar 2026US 12,577,918 B2Caterpillar Inc.
- Dual-fuel injector17 Sep 2026US 2026/0275946 A1Phinia Delphi Luxembourg Sarl
- Improvements relating to internal combustion engines3 Sep 2026US 2026/0258758 A1Commonwealth Scientific and Industrial Research Organisation
- Dual fuel injector, design method therefor, and injection control method therefor27 Aug 2026US 2026/0251096 A1Weichai Power Co., Ltd.
- Method and Apparatus for Non-Fossil Fuel Internal Combustion Engine27 Aug 2026US 2026/0251112 A1MayMaan Research, LLC
- Fuel injection system for an internal combustion engine of a vehicle and a fuel injection method20 Aug 2026US 2026/0243192 A1Volvo Truck Corporation
Most cited
By later US patents
- Method and apparatus for operating a dual fuel internal combustion engine226US 7,627,416 B2Westport Power Inc. · 2009
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Dual fuel supply system for a direct-injection system of a diesel engine with on-board mixing169US 8,973,560 B2Dgc Industries Pty Ltd · 2015
- Dual fuel system for an internal combustion engine167US 9,212,643 B2Delia Ltd. · 2015
- Control system for two cycle direct injection engine and the method thereof165US 6,158,411 AFuji Jukogyo Kabushiki Kaisha · 2000