F02P 3/0421
With electronic tubes
Official title: {with electronic tubes}
F02P3/0421 (With electronic tubes) appears on 6 US grants and 6 published applications in this corpus.
Search patents in F02P- Granted patents
- 6
- Published applications
- 6
- Assignees
- 7
- Inventors
- 14
- Latest grant
- 20 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year.
Subgroups
Granted patents
Recent patents
- Method for creating a spark across a spark gap20 Aug 2024US 12,065,996 B2Grabner Instruments Messtechnik GmbH
- Internal-combustion-engine ignition apparatus28 Feb 2023US 11,591,997 B2Mitsubishi Electric Corporation
- Ignition apparatus21 Apr 2020US 10,629,368 B2Mitsubishi Electric Corporation
- Fuel ignition systems with voltage regulation and methods for same12 Apr 2016US 9,309,857 B2UTC Fire & Security Corporation
- Ignition device for an internal combustion engine1 Feb 2005US 6,848,437 B2Mitsubishi Denki Kabushiki Kaisha
- Internal-combustion-engine ignition apparatus27 Oct 2022US 2022/0341385 A1Mitsubishi Electric Corporation
- Method for creating a spark across a spark gap21 Jul 2022US 2022/0228547 A1Grabner Instruments Messtechnik GmbH
- Ignition apparatus10 Oct 2019US 2019/0311849 A1Mitsubishi Electric Corporation
- Fuel ignition systems with voltage regulation and methods for same5 Jul 2012US 2012/0171628 A1Utc Fire & Seurity Corporation
- Off-vehicle coil tester28 Oct 2010US 2010/0271033 A1
Most cited
By later US patents