F02M 63/0029
Using a pilot valve controlling a hydraulic chamber
Official title: {using a pilot valve controlling a hydraulic chamber}
F02M63/0029 (Using a pilot valve controlling a hydraulic chamber) appears on 84 US grants and 74 published applications in this corpus.
Search patents in F02M- Granted patents
- 84
- Published applications
- 74
- Assignees
- 29
- Inventors
- 133
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 7 | 10 |
| 2003 | 7 | 2 |
| 2004 | 3 | 5 |
| 2005 | 3 | 9 |
| 2006 | 4 | 7 |
| 2007 | 6 | 1 |
| 2008 | 3 | 4 |
| 2009 | 2 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 0 |
| 2015 | 3 | 4 |
| 2016 | 1 | 0 |
| 2017 | 1 | 3 |
| 2018 | 1 | 3 |
| 2019 | 1 | 2 |
| 2020 | 4 | 6 |
| 2021 | 6 | 4 |
| 2022 | 3 | 2 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Proportional force modification of passive spool for control of secondary nozzle circuits27 May 2025US 12,313,004 B2Collins Engine Nozzles, Inc.
- Fuel injection valve for internal combustion engines12 Nov 2024US 12,140,112 B2Ganser-Hydromag AG
- Fuel injection system21 May 2024US 11,988,179 B2Volvo Truck Corporation
- Fuel injector body with counterbore insert23 May 2023US 11,655,787 B2Caterpillar Inc.
- Flow control system9 May 2023US 11,643,998 B2Volvo Truck Corporation
- Proportional force modification of passive spool for control of secondary nozzle circuits29 Feb 2024US 2024/0068408 A1Collins Engine Nozzles, Inc.
- Fuel injection valve for internal combustion engines9 Feb 2023US 2023/0045640 A1Ganser-Hydromag AG
- A flow control system17 Nov 2022US 2022/0364534 A1Volvo Truck Corporation
- A fuel injection system10 Nov 2022US 2022/0356859 A1Volvo Truck Corporation
- Single-fluid common rail fuel injector with fuel recovery fitting and engine system using same3 Jun 2021US 2021/0164425 A1Caterpillar Inc.
Most cited
By later US patents
- Hydraulically-actuated fuel injector with direct control needle valve61US 5,669,355 ACaterpillar Inc. · 1997
- Hydraulically-actuated fuel injector with direct control needle valve61US 5,687,693 ACaterpillar Inc. · 1997
- Hydraulically-actuated fuel injector with direct control needle valve61US 5,738,075 ACaterpillar Inc. · 1998
- Fuel injector with independent control of check valve and fuel pressurization51US 6,360,721 B1Caterpillar Inc. · 2002
- Piston and barrell assembly with stepped top and hydraulically-actuated fuel injector utilizing same33US 5,826,562 ACaterpillar Inc. · 1998