F02D 41/3872
Characterised by leakage flow in injectors
Official title: {characterised by leakage flow in injectors}
F02D41/3872 (Characterised by leakage flow in injectors) appears on 49 US grants and 48 published applications in this corpus.
Search patents in F02D- Granted patents
- 49
- Published applications
- 48
- Assignees
- 23
- Inventors
- 109
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 4 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 4 |
| 2011 | 3 | 3 |
| 2012 | 2 | 0 |
| 2013 | 4 | 3 |
| 2014 | 0 | 0 |
| 2015 | 1 | 6 |
| 2016 | 1 | 2 |
| 2017 | 3 | 2 |
| 2018 | 4 | 5 |
| 2019 | 6 | 4 |
| 2020 | 6 | 1 |
| 2021 | 2 | 3 |
| 2022 | 2 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Fuel injection system for enhanced low injection quantity control4 Feb 2025US 12,215,648 B2Cummins Inc.
- Control for a piezo-electric injector when a foot is raised from the accelerator28 Nov 2023US 11,828,245 B2Vitesco Technologies GmbH
- Method and system for valve position monitoring5 Apr 2022US 11,293,370 B1Caterpillar Inc.
- Method for fuel injector characterization29 Mar 2022US 11,286,874 B2GM Global Technology Operations LLC
- Systems and methods for reducing rail pressure in a common rail fuel system25 May 2021US 11,015,548 B2Cummins Inc.
- Fuel Injection System for Enhanced Low Injection Quantity Control3 Jul 2025US 2025/0215839 A1Cummins Inc.
- Fuel Injection System for Enhanced Low Injection Quantity Control20 Jun 2024US 2024/0200505 A1Cummins Inc.
- Control for a piezo-electric injector when a foot is raised from the accelerator30 Mar 2023US 2023/0098221 A1Vitesco Technologies GmbH
- Systems and methods for reducing rail pressure in a common rail fuel system4 Nov 2021US 2021/0340931 A1Cummins Inc.
- Systems and methods for reducing rail pressure in a common rail fuel system11 Mar 2021US 2021/0071612 A1Cummins Inc.
Most cited
By later US patents
- Method for controlling fuel rail pressure using a piezoelectric actuated fuel injector24US 6,345,606 B1Delphi Technologies, Inc. · 2002
- Method and device for fuel injection for engines21US 6,105,554 AIsuzu Motors Limited · 2000
- System and method for reducing the fuel pressure in a fuel injection system19US 5,711,274 ARobert Bosch GmbH · 1998
- Method of regulating supply pressure in a hydraulically-actuated system18US 5,957,111 ACaterpillar Inc. · 1999
- Engine and method for exhaust aftertreatment16US 10,760,513 B1Caterpillar Inc. · 2020