B63H 20/28
Arrangements, apparatus and methods for handling cooling-water in outboard drives
Official title: {Arrangements, apparatus and methods for handling cooling-water in outboard drives, e.g.} cooling-water intakes {(cooling circuits for outboard marine engines F01P3/202)}
B63H20/28 (Arrangements, apparatus and methods for handling cooling-water in outboard drives) appears on 317 US grants and 232 published applications in this corpus.
Search patents in B63H- Granted patents
- 317
- Published applications
- 232
- Assignees
- 52
- Inventors
- 498
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 3 |
| 2002 | 5 | 4 |
| 2003 | 2 | 1 |
| 2004 | 8 | 6 |
| 2005 | 5 | 3 |
| 2006 | 6 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 3 | 5 |
| 2010 | 1 | 8 |
| 2011 | 3 | 2 |
| 2012 | 8 | 0 |
| 2013 | 6 | 7 |
| 2014 | 2 | 5 |
| 2015 | 9 | 8 |
| 2016 | 20 | 16 |
| 2017 | 19 | 10 |
| 2018 | 14 | 14 |
| 2019 | 18 | 8 |
| 2020 | 6 | 15 |
| 2021 | 24 | 13 |
| 2022 | 15 | 21 |
| 2023 | 13 | 18 |
| 2024 | 18 | 26 |
| 2025 | 21 | 23 |
| 2026 | 16 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for automatically draining marine drives at multiple trim angles1 Sep 2026US 12,722,763 B1Brunswick Corporation
- Thermal management systems and methods thereof for marine vessels1 Sep 2026US 12,722,764 B1Brunswick Corporation
- Outboard motor and boat11 Aug 2026US 12,703,471 B2Yamaha Hatsudoki Kabushiki Kaisha
- Outboard motors and cooling systems for outboard motors4 Aug 2026US 12,698,072 B1Brunswick Corporation
- Outboard motor and marine vessel21 Jul 2026US 12,686,480 B2Yamaha Hatsudoki Kabushiki Kaisha
- Motor cooling system3 Sep 2026US 2026/0257781 A1Guangdong Epropulsion Technology Limited
- Outboard electric motor27 Aug 2026US 2026/0249969 A1Ecomar Propulsion Ltd
- Outboard power control unit for controlling an electric motor of an outboard engine27 Aug 2026US 2026/0249970 A1Vision Marine Technologies
- A cooling assembly30 Jul 2026US 2026/0217353 A1AB Volvo Penta
- A clamp bracket for supporting an electric outboard motor, and an electric outboard motor comprising such a claim bracket18 Jun 2026US 2026/0167314 A1Evoy AS
Most cited
By later US patents
- Cooling water pump device for outboard motor48US 6,984,158 B2Suzuki Motor Corporation · 2006
- Boat drive43US 4,600,395 AAB Volvo Penta · 1986
- Outboard motors having steerable lower gearcase41US 10,800,502 B1Brunswick Corporation · 2020
- Marine propulsion unit with water inlets in all quadrants of the front portion of its torpedo-shape gearcase41US 6,146,223 ABrunswick Corporation · 2000
- Cooling system for an outboard motor having a hydraulic shift mechanism40US 9,840,316 B1Brunswick Corporation · 2017