F02M 2547/006
Springs assisting hydraulic closing force
F02M2547/006 (Springs assisting hydraulic closing force) appears on 13 US grants and 17 published applications in this corpus.
Search patents in F02M- Granted patents
- 13
- Published applications
- 17
- Assignees
- 10
- Inventors
- 33
- Latest grant
- 8 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 1 |
| 2007 | 3 | 5 |
| 2008 | 3 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year.
Recent patents
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- Fuel injector10 Jan 2019US 2019/0010908 A1Delphi International Operations Luxembourg S.A R.L.
- Method For Operating A Piezo Servo Injector13 Oct 2016US 2016/0298563 A1Continental Automotive GmbH
- Fuel injector16 Jun 2016US 2016/0169177 A1Delphi International Operations Luxembourg S.A R.L.
Most cited
By later US patents
- Method and apparatus for delivering two fuels to a direct injection internal combustion engine61US 7,373,931 B2Westport Power Inc. · 2008
- Direct needle control fuel injectors and methods16US 7,412,969 B2Sturman Industries, Inc. · 2008
- Common rail injector14US 6,705,551 B1Robert Bosch GmbH · 2004
- Common rail injector with active needle closing device8US 7,188,788 B2Siemens VDO Automotive Corporation · 2007
- Injector having structure for controlling nozzle needle3US 7,284,712 B2Denso Corporation · 2007