F02D 2250/31
Control of the fuel pressure
F02D2250/31 (Control of the fuel pressure) appears on 585 US grants and 444 published applications in this corpus.
Search patents in F02D- Granted patents
- 585
- Published applications
- 444
- Assignees
- 155
- Inventors
- 1,197
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 14 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 23 | 0 |
| 1999 | 12 | 0 |
| 2000 | 19 | 0 |
| 2001 | 12 | 11 |
| 2002 | 24 | 17 |
| 2003 | 23 | 21 |
| 2004 | 25 | 22 |
| 2005 | 24 | 24 |
| 2006 | 28 | 30 |
| 2007 | 23 | 21 |
| 2008 | 19 | 22 |
| 2009 | 15 | 33 |
| 2010 | 20 | 23 |
| 2011 | 23 | 24 |
| 2012 | 14 | 18 |
| 2013 | 13 | 8 |
| 2014 | 17 | 18 |
| 2015 | 8 | 23 |
| 2016 | 22 | 19 |
| 2017 | 23 | 13 |
| 2018 | 20 | 20 |
| 2019 | 14 | 16 |
| 2020 | 10 | 15 |
| 2021 | 27 | 17 |
| 2022 | 14 | 7 |
| 2023 | 11 | 6 |
| 2024 | 4 | 3 |
| 2025 | 4 | 6 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel pressure controller for internal combustion engine16 Jun 2026US 12,655,808 B2Toyota Jidosha Kabushiki Kaisha
- Fuel supply device for internal combustion engine9 Jun 2026US 12,650,095 B2Toyota Jidosha Kabushiki Kaisha
- Controller for internal combustion engine5 May 2026US 12,618,379 B2Toyota Jidosha Kabushiki Kaisha
- 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
- Identifying and counting common rail fuel system pressure relief valve opening events9 Dec 2025US 12,492,672 B1Caterpillar Inc.
- Fuel pressure measurement and related processes, systems, and controls25 Jun 2026US 2026/0177015 A1Cummins-Scania HPCR System, LLC
- Controller for internal combustion engine11 Jun 2026US 2026/0160215 A1Toyota Jidosha Kabushiki Kaisha
- Fuel system with direct and high pressure port fuel injection with thermal management28 May 2026US 2026/0146578 A1Stanadyne Operating Company LLC
- Duty cycle control for metering valve30 Apr 2026US 2026/0117723 A1Caterpillar Inc.
- Control Device for Internal Combustion Engine16 Apr 2026US 2026/0104017 A1Hitachi Astemo, Ltd.
Most cited
By later US patents
- Fuel delivery system and method of operation157US 7,448,363 B1Buell Motorcycle Company · 2008
- Optimized lambda and compression temperature control for compression ignition engines133US 6,273,076 B1Servojet Products International · 2001
- System and methods for electronic control of an accumulator fuel system101US 5,678,521 ACummins Engine Company, Inc. · 1997
- Fuel injection system and method for a diesel or stratified charge engine98US 5,313,924 AChrysler Corporation · 1994
- Pressure-controlled fuel injection for internal combustion engines86US 4,628,881 ABKM, Inc. · 1986