F02N 11/00
Starting of engines by means of electric motors
F02N11/00 (Starting of engines by means of electric motors) appears on 5,510 US grants and 5,419 published applications in this corpus.
Search patents in F02N- Granted patents
- 5,510
- Published applications
- 5,419
- Assignees
- 1,075
- Inventors
- 9,012
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 9 | 0 |
| 1978 | 14 | 0 |
| 1979 | 10 | 0 |
| 1980 | 15 | 0 |
| 1981 | 8 | 0 |
| 1982 | 21 | 0 |
| 1983 | 24 | 0 |
| 1984 | 32 | 0 |
| 1985 | 32 | 0 |
| 1986 | 22 | 0 |
| 1987 | 20 | 0 |
| 1988 | 23 | 0 |
| 1989 | 26 | 0 |
| 1990 | 48 | 0 |
| 1991 | 35 | 0 |
| 1992 | 39 | 0 |
| 1993 | 21 | 0 |
| 1994 | 21 | 0 |
| 1995 | 21 | 0 |
| 1996 | 29 | 0 |
| 1997 | 27 | 0 |
| 1998 | 31 | 0 |
| 1999 | 38 | 0 |
| 2000 | 54 | 0 |
| 2001 | 64 | 30 |
| 2002 | 105 | 130 |
| 2003 | 93 | 110 |
| 2004 | 143 | 151 |
| 2005 | 105 | 129 |
| 2006 | 128 | 157 |
| 2007 | 111 | 145 |
| 2008 | 89 | 139 |
| 2009 | 106 | 199 |
| 2010 | 129 | 228 |
| 2011 | 113 | 227 |
| 2012 | 168 | 281 |
| 2013 | 231 | 361 |
| 2014 | 265 | 342 |
| 2015 | 310 | 364 |
| 2016 | 323 | 340 |
| 2017 | 352 | 290 |
| 2018 | 324 | 362 |
| 2019 | 329 | 361 |
| 2020 | 331 | 314 |
| 2021 | 294 | 229 |
| 2022 | 281 | 189 |
| 2023 | 189 | 143 |
| 2024 | 137 | 80 |
| 2025 | 105 | 78 |
| 2026 | 51 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02N 11/08Circuits specially adapted for starting of engines4,168
- F02N 11/04The motors being associated with current generators1,371
- F02N 11/10Safety devices737
- F02N 11/006Starting of engines by means of electric motors: using a plurality of271
- F02N 11/14Starting of engines by means of electric starters with external current supply194
- F02N 11/12Starting of engines by means of mobile190
- F02N 11/003Said electric motor being also used as a drive for auxiliaries109
- F02N 11/02The motors having longitudinally-shiftable rotors18
Recent patents
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- Energy storage apparatus and control method for current interrupting device6 Oct 2026US 12,756,022 B2GS Yuasa International Ltd.
- Electrified military vehicle22 Sep 2026US 12,741,527 B1Oshkosh Defense, LLC
- Systems and methods for engine start15 Sep 2026US 12,736,015 B2Polaris Industries Inc.
- Hybrid electric vehicle and engine start-stop control method and device thereof15 Sep 2026US 12,736,023 B2Aurobay (Ningbo) Intelligent Technology Co., Ltd.
- Controlling an engine start of a hybrid vehicle8 Oct 2026US 2026/0307645 A1
- Intelligent automatic start/stop for vehicle engines17 Sep 2026US 2026/0275950 A1GM Global Technology Operations LLC
- Idle stop control method and device for vehicle with internal combustion engine10 Sep 2026US 2026/0266253 A1Nissan Motor Co., Ltd.
- Power supply circuit and an emergency device3 Sep 2026US 2026/0257637 A1Shenzhen Carku Technology Co., Limited
- Engine control system for vehicle13 Aug 2026US 2026/0235085 A1Cummins Power Generation Inc.
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