F02M 45/02
Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or
Official title: with each cyclic delivery being separated into two or more parts
F02M45/02 (Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or) appears on 828 US grants and 526 published applications in this corpus.
Search patents in F02M- Granted patents
- 828
- Published applications
- 526
- Assignees
- 183
- Inventors
- 1,248
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 10 | 0 |
| 1980 | 11 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 8 | 0 |
| 1984 | 9 | 0 |
| 1985 | 13 | 0 |
| 1986 | 10 | 0 |
| 1987 | 18 | 0 |
| 1988 | 11 | 0 |
| 1989 | 22 | 0 |
| 1990 | 13 | 0 |
| 1991 | 16 | 0 |
| 1992 | 16 | 0 |
| 1993 | 14 | 0 |
| 1994 | 11 | 0 |
| 1995 | 12 | 0 |
| 1996 | 13 | 0 |
| 1997 | 15 | 0 |
| 1998 | 25 | 0 |
| 1999 | 31 | 0 |
| 2000 | 26 | 0 |
| 2001 | 26 | 9 |
| 2002 | 36 | 43 |
| 2003 | 57 | 51 |
| 2004 | 46 | 57 |
| 2005 | 52 | 42 |
| 2006 | 34 | 50 |
| 2007 | 28 | 38 |
| 2008 | 19 | 18 |
| 2009 | 20 | 19 |
| 2010 | 9 | 22 |
| 2011 | 16 | 10 |
| 2012 | 6 | 14 |
| 2013 | 13 | 19 |
| 2014 | 8 | 20 |
| 2015 | 19 | 16 |
| 2016 | 14 | 19 |
| 2017 | 19 | 13 |
| 2018 | 12 | 10 |
| 2019 | 16 | 12 |
| 2020 | 10 | 9 |
| 2021 | 15 | 9 |
| 2022 | 6 | 2 |
| 2023 | 5 | 2 |
| 2024 | 6 | 6 |
| 2025 | 3 | 8 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Asymmetric fuel injection window and fuel metering window17 Mar 2026US 12,577,918 B2Caterpillar Inc.
- Fuel injector control strategy using fuel bulk modulus for fuel injector command determination13 Jan 2026US 12,523,182 B2Caterpillar Inc.
- Dual fuel system and operating strategy metering fuel via varied fuel pump output2 Dec 2025US 12,486,809 B2Caterpillar Inc.
- Proportional force modification of passive spool for control of secondary nozzle circuits27 May 2025US 12,313,004 B2Collins Engine Nozzles, Inc.
- Method for operating an internal combustion engine system using hydrogen fuel7 Jan 2025US 12,188,422 B2Volvo Truck Corporation
- Dual-fuel injector17 Sep 2026US 2026/0275946 A1Phinia Delphi Luxembourg Sarl
- Turbulent jet controlled diffusion combustion engine23 Jul 2026US 2026/0210283 A1Aramco Services Company
- Dual fuel injector for injection control and fuel metering, and method for operating same7 May 2026US 2026/0126025 A1Caterpillar Inc.
- Fuel injector for dual fuel applications having non-return valve for leakage control26 Mar 2026US 2026/0085649 A1Caterpillar Inc.
- Dual fuel injector and method26 Mar 2026US 2026/0085650 A1Caterpillar Inc.
Most cited
By later US patents
- Multiple operating mode engine and method of operation134US 6,561,157 B2Cummins Inc. · 2003
- Pressure storage fuel injection system102US 5,622,152 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1997
- System and methods for electronic control of an accumulator fuel system101US 5,678,521 ACummins Engine Company, Inc. · 1997
- Hydraulically-actuated fuel injector with direct control needle valve77US 5,697,342 ACaterpillar Inc. · 1997
- Hydraulically-actuated fluid injector having pre-injection pressurizable fluid storage chamber and direct-operated check76US 5,463,996 ACaterpillar Inc. · 1995