F02B 2075/1816
Four
Official title: {four}
F02B2075/1816 (Four) appears on 691 US grants and 225 published applications in this corpus.
Search patents in F02B- Granted patents
- 691
- Published applications
- 225
- Assignees
- 142
- Inventors
- 1,055
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 12 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 17 | 0 |
| 1985 | 17 | 0 |
| 1986 | 11 | 0 |
| 1987 | 27 | 0 |
| 1988 | 17 | 0 |
| 1989 | 19 | 0 |
| 1990 | 16 | 0 |
| 1991 | 22 | 0 |
| 1992 | 15 | 0 |
| 1993 | 19 | 0 |
| 1994 | 18 | 0 |
| 1995 | 14 | 0 |
| 1996 | 25 | 0 |
| 1997 | 24 | 0 |
| 1998 | 34 | 0 |
| 1999 | 39 | 0 |
| 2000 | 40 | 0 |
| 2001 | 28 | 12 |
| 2002 | 36 | 31 |
| 2003 | 29 | 31 |
| 2004 | 29 | 30 |
| 2005 | 31 | 16 |
| 2006 | 21 | 5 |
| 2007 | 7 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 4 | 2 |
| 2012 | 0 | 11 |
| 2013 | 1 | 2 |
| 2014 | 5 | 5 |
| 2015 | 5 | 4 |
| 2016 | 7 | 7 |
| 2017 | 6 | 19 |
| 2018 | 9 | 6 |
| 2019 | 12 | 6 |
| 2020 | 8 | 14 |
| 2021 | 12 | 7 |
| 2022 | 5 | 2 |
| 2023 | 3 | 5 |
| 2024 | 3 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for injecting condensate in cylinder of a reciprocating engine21 Apr 2026US 12,607,151 B2Innio Jenbacher GmbH & Co OG
- Marine vessel and exhaust manifold for marine vessel22 Jul 2025US 12,366,189 B2Yamaha Hatsudoki Kabushiki Kaisha
- Marine propulsion device and marine vessel25 Mar 2025US 12,258,919 B2Yamaha Hatsudoki Kabushiki Kaisha
- Engine start abnormality diagnosis apparatus12 Nov 2024US 12,140,115 B2Subaru Corporation
- Power device, and propulsion device for movement17 Sep 2024US 12,092,019 B2Kawasaki Motors, Ltd.
- Method for synchronizing an internal combustion engine on the basis of data from signals representative of air pressure in cylinders20 Aug 2026US 2026/0243208 A1Schaeffler Technologies AG & Co. KG
- All-Terrain Vehicle7 May 2026US 2026/0125132 A1Zhejiang CFMOTO Power Co., Ltd.
- All-Terrain Vehicle7 May 2026US 2026/0126024 A1Zhejiang CFMOTO Power Co., Ltd.
- System and method for injecting condensate in cylinder of a reciprocating engine14 Aug 2025US 2025/0257698 A1Innio Jenbacher GmbH & Co OG
- Marine vessel and exhaust manifold for marine vessel29 May 2025US 2025/0172081 A1Yamaha Hatsudoki Kabushiki Kaisha
Most cited
By later US patents
- Hybrid electric propulsion system164US 5,172,784 A1992
- Thermally sprayed aluminum-bronze coatings on aluminum engine bores121US 5,080,056 AGeneral Motors Corporation · 1992
- Valve timing control device for an internal combustion engine70US 6,109,225 AToyota Jidosha Kabushiki Kaisha · 2000
- Method and system for turbocharging an engine59US 8,069,663 B2Ford Global Technologies, LLC · 2011
- Method and system for a turbocharged engine54US 8,511,084 B2Ford Global Technologies, LLC · 2013