B63H 25/12
With fluid transmission
Official title: with fluid transmission
B63H25/12 (With fluid transmission) appears on 49 US grants and 26 published applications in this corpus.
Search patents in B63H- Granted patents
- 49
- Published applications
- 26
- Assignees
- 30
- Inventors
- 79
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 3 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 3 |
| 2019 | 2 | 1 |
| 2020 | 2 | 2 |
| 2021 | 2 | 1 |
| 2022 | 0 | 3 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steering system with twin actuators and tie bar10 Feb 2026US 12,545,388 B2Dometic Marine Canada Inc.
- Outboard motor and marine vessel19 Aug 2025US 12,391,350 B2Yamaha Hatsudoki Kabushiki Kaisha
- Outboard motor and marine vessel20 May 2025US 12,304,606 B2Yamaha Hatsudoki Kabushiki Kaisha
- Fin stabilizer with internal actuation mechanism18 Feb 2025US 12,227,272 B2
- Hydraulic steering device for a boat, a vessel, or the like14 May 2024US 11,981,407 B2
- Anti-pump-slip algorithm for hydraulic steering system2 Apr 2026US 2026/0091864 A1Steering Solutions IP Holding Corporation
- Steering cylinder and steering system for outboard engines20 Nov 2025US 2025/0353583 A1GMG Techno Trades PVT. LTD.
- Steering system with twin actuators and tie bar1 Jun 2023US 2023/0166823 A1Marine Canada Acquisition Inc.
- Outboard motor and marine vessel20 Oct 2022US 2022/0332400 A1Yamaha Hatsudoki Kabushiki Kaisha
- Outboard motor and marine vessel20 Oct 2022US 2022/0332401 A1Yamaha Hatsudoki Kabushiki Kaisha
Most cited
By later US patents
- Marine power steering system20US 5,074,193 ABrunswick Corporation · 1991
- Marine power steering system17US 5,392,690 ABrunswick Corporation · 1995
- Damped steering mechanism for a watercraft17US 6,138,596 ABrunswick Corporation · 2000
- Marine propulsion device steering assembly16US 4,041,889 AOutboard Marine Corporation · 1977
- Propulsion and directional control mechanism for an underwater device16US 4,648,322 ASundstrand Corporation · 1987