F02N 11/087
Details of the switching means in starting circuits
Official title: {Details of the switching means in starting circuits, e.g. relays or electronic switches}
F02N11/087 (Details of the switching means in starting circuits) appears on 608 US grants and 634 published applications in this corpus.
Search patents in F02N- Granted patents
- 608
- Published applications
- 634
- Assignees
- 237
- Inventors
- 1,152
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 0 | 0 |
| 1992 | 6 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 2 |
| 2002 | 9 | 12 |
| 2003 | 5 | 13 |
| 2004 | 14 | 15 |
| 2005 | 12 | 12 |
| 2006 | 11 | 8 |
| 2007 | 6 | 9 |
| 2008 | 0 | 9 |
| 2009 | 6 | 15 |
| 2010 | 10 | 25 |
| 2011 | 15 | 28 |
| 2012 | 19 | 38 |
| 2013 | 34 | 57 |
| 2014 | 23 | 47 |
| 2015 | 31 | 49 |
| 2016 | 61 | 43 |
| 2017 | 49 | 37 |
| 2018 | 48 | 45 |
| 2019 | 31 | 37 |
| 2020 | 33 | 45 |
| 2021 | 43 | 27 |
| 2022 | 34 | 22 |
| 2023 | 20 | 13 |
| 2024 | 17 | 11 |
| 2025 | 12 | 10 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system for dual-voltage start of an aeronautical turbine engine having a free turbine and a single-spool gas generator14 Jul 2026US 12,680,506 B2Safran Helicopter Engines
- Power supply device and mechanical device31 Mar 2026US 12,592,425 B2Honda Motor Co., Ltd.
- Motor starter3 Mar 2026US 12,565,871 B2Schneider Electric (China) Co., Ltd.
- Small watercraft system and method of controlling small watercraft27 Jan 2026US 12,534,168 B2Kawasaki Motors, Ltd.
- Engine starter circuits for electric machines20 Jan 2026US 12,529,339 B2Hamilton Sundstrand Corporation
- In-vehicle gas leak detection safety and alarming system9 Jul 2026US 2026/0194410 A1Saudi Arabian Oil Company
- Method and system for starting motorcycle engine25 Jun 2026US 2026/0177025 A1Motive Power Industry Co., Ltd.
- Ignition switch21 May 2026US 2026/0139652 A1Honeywell International Inc.
- Method and system for dual-voltage start of an aeronautical turbine engine having a free turbine and a single-spool gas generator7 May 2026US 2026/0126013 A1Safran Helicopter Engines
- Portable backup starting device for vehicle8 Jan 2026US 2026/0009368 A1Shenzhen Zhanpusida Technology Co., Ltd.
Most cited
By later US patents
- System and method for protecting a cranking subsystem99US 6,497,209 B1Intra International AB · 2002
- Vehicle with switched supplemental energy storage system for engine cranking97US 6,888,266 B2Kold Ban International, Ltd. · 2005
- Gate driver ASIC for an automotive starter/alternator59US 6,897,574 B2International Rectifier Corporation · 2005
- Dual voltage engine starter management system50US 4,412,137 AEaton Corporation · 1983
- Dual-battery system44US 6,275,001 B1Volkswagen Aktiengesellschaft · 2001