F02N 15/043
The gearing including a speed reducer
Official title: {the gearing including a speed reducer}
F02N15/043 (The gearing including a speed reducer) appears on 284 US grants and 230 published applications in this corpus.
Search patents in F02N- Granted patents
- 284
- Published applications
- 230
- Assignees
- 83
- Inventors
- 507
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 10 | 0 |
| 1990 | 14 | 0 |
| 1991 | 5 | 0 |
| 1992 | 15 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 8 |
| 2003 | 5 | 14 |
| 2004 | 8 | 17 |
| 2005 | 11 | 10 |
| 2006 | 5 | 13 |
| 2007 | 10 | 5 |
| 2008 | 6 | 8 |
| 2009 | 4 | 9 |
| 2010 | 7 | 8 |
| 2011 | 4 | 8 |
| 2012 | 6 | 10 |
| 2013 | 7 | 23 |
| 2014 | 9 | 13 |
| 2015 | 13 | 19 |
| 2016 | 11 | 9 |
| 2017 | 16 | 9 |
| 2018 | 2 | 8 |
| 2019 | 15 | 17 |
| 2020 | 12 | 11 |
| 2021 | 12 | 3 |
| 2022 | 5 | 5 |
| 2023 | 4 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electric drive assembly with planetary gear reduction8 Sep 2026US 12,732,069 B1Hydro-Gear Limited Partnership
- Drive and control system for an electrically-powered lawn mower2 Jun 2026US 12,647,002 B1Hydro-Gear Limited Partnership
- Integrated gear motor (IGM)26 May 2026US 12,637,995 B2ROLLS-ROYCE plc
- Electric machine gearbox and engine starter and power generator including gearbox7 May 2024US 11,976,620 B2Volvo Truck Corporation
- Integrated starter-generator device with unidirectional clutch actuation utilizing biased lever assembly8 Aug 2023US 11,719,209 B2Deere & Company
- Hybrid aircraft power plant and gearbox therefor31 Jul 2025US 2025/0242928 A1Pratt & Whitney Canada Corp.
- Integrated gear motor (igm)20 Mar 2025US 2025/0092850 A1ROLLS-ROYCE plc
- Electric machine gearbox and engine starter and power generator including gearbox1 Dec 2022US 2022/0381214 A1Volvo Truck Corporation
- Integrated starter-generator device with unidirectional clutch actuation utilizing biased lever assembly29 Sep 2022US 2022/0307455 A1Deere & Company
- Methods and systems for a two-speed accessory drive of an engine14 Jul 2022US 2022/0219670 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Combined electric starter and alternator system using a permanent magnet synchronous machine178US 4,862,009 AGeneral Electric Company · 1989
- Engine starter and electric generator system73US 5,132,604 AHonda Giken Kogyo Kabushiki Kaisha · 1992
- Automotive internal combustion engine control system42US 6,852,063 B2Honda Giken Kogyo Kabushiki Kaisha · 2005
- Accessory-driving equipment for an automotive vehicle42US 6,863,139 B2Denso Corporation · 2005
- Reduction gear for a starter-generator of an internal combustion engine39US 6,832,970 B2Tesma Motoren und Cetriebetechnik Ges. m.b.H. · 2004