B63H 20/30
Cooling-water intakes for flushing
Official title: {Cooling-water intakes} for flushing {(circuits for flushing outboard marine engines F01P3/205)}
B63H20/30 (Cooling-water intakes for flushing) appears on 21 US grants and 14 published applications in this corpus.
Search patents in B63H- Granted patents
- 21
- Published applications
- 14
- Assignees
- 7
- Inventors
- 49
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 2 | 2 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Outboard motor quick connect system30 Jun 2026US 12,668,344 B2
- Marine drives and methods for clearing debris from a cooling water intake on a marine drive23 Jun 2026US 12,662,225 B1Brunswick Corporation
- Outboard motor2 Sep 2025US 12,403,995 B2Yamaha Hatsudoki Kabushiki Kaisha
- System for performing flushing through cooling water pathway in marine propulsion device26 Nov 2024US 12,152,527 B2Yamaha Hatsudoki Kabushiki Kaisha
- Outboard motor1 Oct 2024US 12,103,653 B2Honda Motor Co., Ltd.
- Electric propulsion device26 Feb 2026US 2026/0054814 A1Suzuki Motor Corporation
- Outboard motor26 Feb 2026US 2026/0054816 A1Suzuki Motor Corporation
- Outboard motor quick connect system15 May 2025US 2025/0153833 A1Seamule, LLC
- Outboard motor5 Oct 2023US 2023/0312073 A1Yamaha Hatsudoki Kabushiki Kaisha
- System for performing flushing through cooling water pathway in marine propulsion device5 Jan 2023US 2023/0003164 A1Yamaha Hatsudoki Kabushiki Kaisha
Most cited
By later US patents
- Fresh water flushing kit22US 4,619,618 A1986
- Flushing device for outboard motors13US 4,540,009 ABrunswick Corporation · 1985
- Outboard motor12US 5,934,957 ASuzuki Motor Corporation · 1999
- Coolant flushing system for outboard motor9US 6,109,987 ASanshin Kogyo Kabushiki Kaisha · 2000
- Flushing adaptor and method of manufacture8US 4,729,393 A1988