F02N 2250/00
Problems related to engine starting or engine's starting apparatus
F02N2250/00 (Problems related to engine starting or engine's starting apparatus) appears on 330 US grants and 327 published applications in this corpus.
Search patents in F02N- Granted patents
- 330
- Published applications
- 327
- Assignees
- 133
- Inventors
- 731
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 8 |
| 2003 | 2 | 5 |
| 2004 | 8 | 6 |
| 2005 | 7 | 7 |
| 2006 | 4 | 5 |
| 2007 | 6 | 11 |
| 2008 | 7 | 15 |
| 2009 | 3 | 18 |
| 2010 | 12 | 8 |
| 2011 | 10 | 24 |
| 2012 | 12 | 23 |
| 2013 | 17 | 33 |
| 2014 | 16 | 22 |
| 2015 | 21 | 20 |
| 2016 | 28 | 21 |
| 2017 | 27 | 15 |
| 2018 | 25 | 22 |
| 2019 | 24 | 21 |
| 2020 | 13 | 10 |
| 2021 | 12 | 12 |
| 2022 | 15 | 11 |
| 2023 | 5 | 2 |
| 2024 | 5 | 4 |
| 2025 | 5 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Generator control method and generator control device13 Jan 2026US 12,525,905 B2Nissan Motor Co., Ltd.
- Method for operating a vehicle and vehicle operated by such a method18 Nov 2025US 12,473,881 B2Volvo Truck Corporation
- Management apparatus for energy storage device and energy storage apparatus9 Sep 2025US 12,413,092 B2GS Yuasa International Ltd.
- Method and system for starting an internal combustion engine15 Jul 2025US 12,359,646 B2Bombardier Recreational Products Inc.
- Method and system for predicting engine-start performance of an electrical energy storage system25 Feb 2025US 12,233,746 B2Clarios Advanced Solutions GmbH
- Method and system for starting motorcycle engine25 Jun 2026US 2026/0177025 A1Motive Power Industry Co., Ltd.
- Restart control method and device for internal combustion engine4 Sep 2025US 2025/0277479 A1Nissan Motor Co., Ltd.
- Method and system for predicting engine-start performance of an electrical energy storage system12 Jun 2025US 2025/0187492 A1Clarios Advanced Solutions GmbH
- Generator control method and generator control device3 Apr 2025US 2025/0112571 A1Nissan Motor Co., Ltd.
- Method and system for starting an internal combustion engine12 Sep 2024US 2024/0301850 A1Bombardier Recreational Products Inc.
Most cited
By later US patents
- Engine automatic start stop control apparatus145US 6,504,259 B1Honda Giken Kogyo Kabushiki Kaisha · 2003
- Vehicle power supply system81US 7,336,002 B2Denso Corporation · 2008
- Method for engaging the starter pinion of a starter with the starter ring gear of an internal combustion engine during the running-down of the internal combustion engine50US 7,275,509 B2Robert Bosch GmbH · 2007
- Automatic engine stop and restart system for vehicles and method therefor42US 6,802,291 B2Nissan Motor Co., Ltd. · 2004
- Power circuit for battery41US 7,023,107 B2Mitsubishi Denki Kabushiki Kaisha · 2006