F02P 2017/121
By measuring spark voltage
Official title: {by measuring spark voltage}
F02P2017/121 (By measuring spark voltage) appears on 113 US grants and 113 published applications in this corpus.
Search patents in F02P- Granted patents
- 113
- Published applications
- 113
- Assignees
- 71
- Inventors
- 259
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 4 |
| 2011 | 1 | 1 |
| 2012 | 2 | 4 |
| 2013 | 1 | 3 |
| 2014 | 2 | 5 |
| 2015 | 5 | 11 |
| 2016 | 6 | 8 |
| 2017 | 10 | 6 |
| 2018 | 13 | 20 |
| 2019 | 8 | 12 |
| 2020 | 12 | 6 |
| 2021 | 10 | 6 |
| 2022 | 7 | 6 |
| 2023 | 3 | 0 |
| 2024 | 5 | 6 |
| 2025 | 3 | 2 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adaptive spark energy control10 Feb 2026US 12,546,279 B2Altronic, Inc.
- Engine ignition systems and control methods therefor2 Dec 2025US 12,486,822 B2Hamilton Sundstrand Corporation
- Control device for internal combustion engine6 May 2025US 12,292,023 B2Hitachi Astemo, Ltd.
- Predictive model-based spark control11 Feb 2025US 12,221,947 B2Prometheus Applied Technologies, LLC
- Measuring a spark of a spark plug15 Oct 2024US 12,116,967 B2Woodward, Inc.
- Preignition detection for hydrogen combustion engines24 Sep 2026US 2026/0286925 A1Cummins Inc.
- System and method for detecting engine conditions using ignition system20 Aug 2026US 2026/0243222 A1Altronic, Inc.
- Hot surface igniter temperature control system and method26 Mar 2026US 2026/0086587 A1Chongqing Le-Mark Technology Co
- Ignition system and control method19 Feb 2026US 2026/0049589 A1Clean Combustion Engine Technology Inc.
- Ignition diagnostic system for internal combustion engine (ice) and method of operating the same29 Jan 2026US 2026/0028957 A1Federal-Mogul Ignition Company
Most cited
By later US patents
- Method for determining valve degradation23US 7,762,237 B2Ford Global Technologies, LLC · 2010
- Misfire-detecting system for internal combustion engines22US 5,215,067 AHonda Giken Kogyo Kabushiki Kaisha · 1993
- Engine monitoring system and associated method20US 6,222,445 B1Micro Technology Services, Inc. · 2001
- Misfire-detecting system for internal combustion engines16US 5,226,394 AHonda Giken Kogyo Kabushiki Kaisha · 1993
- Apparatus and method for diagnosing and controlling an ignition system of an internal combustion engine16US 6,006,156 ACummins Engine Company, Inc. · 1999