F02B 61/045
For marine engines
Official title: {for marine engines}
F02B61/045 (For marine engines) appears on 2,984 US grants and 722 published applications in this corpus.
Search patents in F02B- Granted patents
- 2,984
- Published applications
- 722
- Assignees
- 318
- Inventors
- 2,218
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 49 | 0 |
| 1977 | 26 | 0 |
| 1978 | 35 | 0 |
| 1979 | 11 | 0 |
| 1980 | 30 | 0 |
| 1981 | 34 | 0 |
| 1982 | 42 | 0 |
| 1983 | 52 | 0 |
| 1984 | 35 | 0 |
| 1985 | 67 | 0 |
| 1986 | 56 | 0 |
| 1987 | 78 | 0 |
| 1988 | 106 | 0 |
| 1989 | 103 | 0 |
| 1990 | 109 | 0 |
| 1991 | 108 | 0 |
| 1992 | 89 | 0 |
| 1993 | 100 | 0 |
| 1994 | 82 | 0 |
| 1995 | 69 | 0 |
| 1996 | 108 | 0 |
| 1997 | 83 | 0 |
| 1998 | 112 | 0 |
| 1999 | 153 | 0 |
| 2000 | 173 | 0 |
| 2001 | 161 | 68 |
| 2002 | 170 | 139 |
| 2003 | 152 | 116 |
| 2004 | 103 | 61 |
| 2005 | 78 | 33 |
| 2006 | 39 | 24 |
| 2007 | 28 | 27 |
| 2008 | 24 | 8 |
| 2009 | 16 | 8 |
| 2010 | 7 | 10 |
| 2011 | 10 | 8 |
| 2012 | 13 | 7 |
| 2013 | 4 | 18 |
| 2014 | 11 | 10 |
| 2015 | 20 | 9 |
| 2016 | 27 | 31 |
| 2017 | 26 | 20 |
| 2018 | 30 | 24 |
| 2019 | 42 | 15 |
| 2020 | 15 | 25 |
| 2021 | 22 | 15 |
| 2022 | 30 | 18 |
| 2023 | 24 | 12 |
| 2024 | 10 | 8 |
| 2025 | 9 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Outboard motor and marine vessel5 May 2026US 12,617,511 B2Yamaha Hatsudoki Kabushiki Kaisha
- Systems and methods for optimizing driveshaft coupling of marine propulsion device10 Mar 2026US 12,570,383 B1Brunswick Corporation
- Systems and methods for controlling combustion in an engine of a marine drive3 Mar 2026US 12,565,851 B1Brunswick Corporation
- Propeller assembly and pitch control unit2 Dec 2025US 12,486,811 B2Ge Aviation Czech S.R.O.
- Vessel propulsion apparatus, vessel, and vessel engine18 Nov 2025US 12,473,878 B2Yamaha Hatsudoki Kabushiki Kaisha
- Outboard motor6 Aug 2026US 2026/0225701 A1Yamaha Hatsudoki Kabushiki Kaisha
- Pass-through fitting assembly for outboard engine assembly16 Jul 2026US 2026/0200568 A1BRP US Inc.
- Systems and methods for optimizing driveshaft coupling of marine propulsion device9 Jul 2026US 2026/0192905 A1Brunswick Corporation
- Vapor separator tank29 Jan 2026US 2026/0028952 A1Mikuni Corporation
- Outboard propulsion unit15 May 2025US 2025/0153823 A1Rad Propulsion Ltd
Most cited
By later US patents
- Control system for controlling object using pseudo-emotions and pseudo-personality generated in the object95US 6,230,111 B1Yamaha Hatsudoki Kabushiki Kaisha · 2001
- Method and apparatus for controlling the power output of a homogenous charge internal combustion engine89US 6,360,724 B1Brunswick Corporation · 2002
- Magnetic field energy responsive position sensing apparatus and method87US 5,789,915 ANartron Corporation · 1998
- Air cleaner for internal combustion engine84US 5,120,334 AFord Motor Company · 1992
- Trim control80US 4,318,699 ABrunswick Corporation · 1982