B63H 20/245
Exhaust gas outlets
Official title: {Exhaust gas outlets (B63H20/26 takes precedence)}
B63H20/245 (Exhaust gas outlets) appears on 286 US grants and 87 published applications in this corpus.
Search patents in B63H- Granted patents
- 286
- Published applications
- 87
- Assignees
- 46
- Inventors
- 398
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 20 | 0 |
| 1991 | 6 | 0 |
| 1992 | 15 | 0 |
| 1993 | 3 | 0 |
| 1994 | 16 | 0 |
| 1995 | 8 | 0 |
| 1996 | 17 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 13 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 1 |
| 2002 | 2 | 3 |
| 2003 | 5 | 1 |
| 2004 | 4 | 2 |
| 2005 | 3 | 3 |
| 2006 | 4 | 4 |
| 2007 | 5 | 3 |
| 2008 | 1 | 3 |
| 2009 | 3 | 2 |
| 2010 | 3 | 2 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 5 |
| 2014 | 4 | 5 |
| 2015 | 4 | 4 |
| 2016 | 12 | 9 |
| 2017 | 12 | 3 |
| 2018 | 4 | 3 |
| 2019 | 7 | 3 |
| 2020 | 6 | 3 |
| 2021 | 8 | 7 |
| 2022 | 6 | 5 |
| 2023 | 8 | 5 |
| 2024 | 10 | 7 |
| 2025 | 5 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Outboard motor and vessel17 Mar 2026US 12,576,957 B2Yamaha Hatsudoki Kabushiki Kaisha
- Lower unit for a marine propulsion device24 Feb 2026US 12,559,218 B1Brunswick Corporation
- Outboard motor and marine vessel17 Feb 2026US 12,552,507 B2Yamaha Hatsudoki Kabushiki Kaisha
- Outboard motor28 Oct 2025US 12,454,340 B2Yamaha Hatsudoki Kabushiki Kaisha
- Exhaust handling systems for marine vessels and related methods12 Aug 2025US 12,384,508 B2Marathon Petroleum Company LP
- 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.
- Exhaust handling systems for marine vessels and related methods27 Nov 2025US 2025/0360999 A1Marathon Petroleum Company LP
- Outboard motor and marine vessel14 Aug 2025US 2025/0256822 A1Yamaha Hatsudoki Kabushiki Kaisha
- Outboard engine assembly having an idle relief system31 Oct 2024US 2024/0359784 A1BRP US Inc.
Most cited
By later US patents
- Dual water injector for primary and idle relief exhaust passages69US 7,001,231 B1Brunswick Corporation · 2006
- Boat drive43US 4,600,395 AAB Volvo Penta · 1986
- Idle relief mufflers and outboard motors having idle relief mufflers42US 9,376,194 B1Brunswick Corporation · 2016
- Outboard motors having steerable lower gearcase41US 10,800,502 B1Brunswick Corporation · 2020
- Exhaust silencer unit for propulsion unit40US 5,096,446 ASanshin Kogyo Kanushiki Kaisha · 1992