F02N 11/04
The motors being associated with current generators
Official title: the motors being associated with current generators
F02N11/04 (The motors being associated with current generators) appears on 1,371 US grants and 1,252 published applications in this corpus.
Search patents in F02N- Granted patents
- 1,371
- Published applications
- 1,252
- Assignees
- 373
- Inventors
- 2,561
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 20 | 0 |
| 1991 | 18 | 0 |
| 1992 | 10 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 9 | 0 |
| 1996 | 15 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 19 | 0 |
| 2001 | 22 | 12 |
| 2002 | 36 | 46 |
| 2003 | 25 | 35 |
| 2004 | 56 | 56 |
| 2005 | 38 | 31 |
| 2006 | 33 | 40 |
| 2007 | 30 | 27 |
| 2008 | 25 | 30 |
| 2009 | 24 | 41 |
| 2010 | 20 | 37 |
| 2011 | 21 | 24 |
| 2012 | 36 | 30 |
| 2013 | 32 | 53 |
| 2014 | 35 | 46 |
| 2015 | 44 | 67 |
| 2016 | 56 | 88 |
| 2017 | 72 | 80 |
| 2018 | 77 | 99 |
| 2019 | 99 | 105 |
| 2020 | 98 | 98 |
| 2021 | 90 | 57 |
| 2022 | 90 | 60 |
| 2023 | 53 | 50 |
| 2024 | 39 | 17 |
| 2025 | 24 | 16 |
| 2026 | 16 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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.
- Electric machine shift and engine start coordination8 Sep 2026US 12,728,834 B2Fca US LLC
- Electrified military vehicle23 Jun 2026US 12,661,972 B2Oshkosh Defense, LLC
- Control circuitry for a vehicle with stop control of an internal combustion engine16 Jun 2026US 12,655,807 B2Kawasaki Motors, Ltd.
- Electrified military vehicle25 Jun 2026US 2026/0175708 A1Oshkosh Defense, LLC
- Method and system for starting motorcycle engine25 Jun 2026US 2026/0177025 A1Motive Power Industry Co., Ltd.
- Starter and belt alternator starter control systems and methods4 Jun 2026US 2026/0153060 A1GM Global Technology Operations LLC
- Method for identifying belt slip in a starting system comprising bisg28 May 2026US 2026/0146664 A1Ford Global Technologies, LLC
- Systems and methods for engine start14 May 2026US 2026/0132753 A1Polaris Industries Inc.
Most cited
By later US patents
- Control method and apparatus for internal combustion engine electric hybrid vehicles269US 6,054,844 AThe Regents of the University of California · 2000
- Hybrid drive for a vehicle, in particular an automobile213US 4,533,011 AVolkswagenwerk Aktiengesellschaft · 1985
- Combined electric starter and alternator system using a permanent magnet synchronous machine178US 4,862,009 AGeneral Electric Company · 1989
- Hybrid vehicle drive system having two motor/generator units and engine starting means153US 5,934,395 AToyota Jidosha Kabushiki Kaisha · 1999
- Starter/generator system with variable-frequency exciter control139US 5,594,322 ASundstrand Corporation · 1997