F02D 2250/04
Fuel pressure pulsation in common rails
F02D2250/04 (Fuel pressure pulsation in common rails) appears on 133 US grants and 138 published applications in this corpus.
Search patents in F02D- Granted patents
- 133
- Published applications
- 138
- Assignees
- 44
- Inventors
- 331
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 0 |
| 2003 | 0 | 4 |
| 2004 | 5 | 2 |
| 2005 | 3 | 6 |
| 2006 | 3 | 6 |
| 2007 | 7 | 5 |
| 2008 | 1 | 4 |
| 2009 | 4 | 15 |
| 2010 | 11 | 11 |
| 2011 | 5 | 6 |
| 2012 | 3 | 8 |
| 2013 | 7 | 8 |
| 2014 | 5 | 2 |
| 2015 | 4 | 5 |
| 2016 | 5 | 8 |
| 2017 | 12 | 11 |
| 2018 | 11 | 9 |
| 2019 | 7 | 4 |
| 2020 | 5 | 9 |
| 2021 | 15 | 9 |
| 2022 | 6 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for measuring fueling quantity variation during multipulse fuel injection event21 Jan 2025US 12,203,425 B2Cummins Inc.
- Fuel temperature estimation system29 Nov 2022US 11,513,011 B2Toyota Jidosha Kabushiki Kaisha
- Method of generating rate-of-injection (ROI) profiles for a fuel injector and system implementing same27 Sep 2022US 11,454,183 B1Southwest Research Institute
- Control device for fuel injection system12 Jul 2022US 11,384,710 B2Denso Corporation
- Methods and systems for improving fuel injection repeatability26 Apr 2022US 11,313,310 B1Ford Global Technologies, LLC
- Fuel quantity monitoring using fuel rail pressure9 Apr 2026US 2026/0098503 A1Caterpillar Inc.
- High presure fuel delivery systems in an opposed piston engine and related methods1 Jan 2026US 2026/0002478 A1Enginuity Power Systems, Inc.
- Fueling system controls including adaptation to fuel characteristics10 Apr 2025US 2025/0116240 A1Cummins Inc.
- Method and system for measuring fueling quantity variation during multipulse fuel injection event8 Jun 2023US 2023/0175452 A1Cummins Inc.
- Fuel injection control apparatus17 Feb 2022US 2022/0049670 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Common-rail fuel-injection system71US 6,349,702 B1Isuzu Motors Limited · 2002
- Fuel injection control apparatus for internal combustion engine59US 5,402,760 ANippondenso Co., Ltd. · 1995
- Process for determining a fuel-injection-related parameter for an internal-combustion engine with a common-rail injection system59US 6,088,647 ADaimlerChrysler AG · 2000
- Variable-discharge high pressure pump47US 5,058,553 ANippondenso Co., Ltd. · 1991
- Fuel injection device42US 6,112,721 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 2000