B63H 21/305
With passive vibration damping
Official title: {with passive vibration damping}
B63H21/305 (With passive vibration damping) appears on 156 US grants and 69 published applications in this corpus.
Search patents in B63H- Granted patents
- 156
- Published applications
- 69
- Assignees
- 63
- Inventors
- 265
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 7 | 4 |
| 2003 | 6 | 5 |
| 2004 | 3 | 4 |
| 2005 | 5 | 7 |
| 2006 | 3 | 6 |
| 2007 | 7 | 2 |
| 2008 | 5 | 2 |
| 2009 | 1 | 4 |
| 2010 | 3 | 2 |
| 2011 | 3 | 3 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 0 | 1 |
| 2015 | 2 | 3 |
| 2016 | 6 | 3 |
| 2017 | 4 | 3 |
| 2018 | 3 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 7 |
| 2024 | 4 | 0 |
| 2025 | 6 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Marine drives15 Sep 2026US 12,735,164 B1Brunswick Corporation
- Stern drives and methods of installing stern drives21 Apr 2026US 12,606,289 B2Brunswick Corporation
- Stern drives and noise-vibration-harshness dampening assemblies for a stern drives10 Feb 2026US 12,545,391 B2Brunswick Corporation
- Marine drives having noise and vibration isolating joint4 Nov 2025US 12,459,625 B1Brunswick Corporation
- Outboard motor and anti-vibration structure of outboard motor26 Aug 2025US 12,397,893 B2Yamaha Hatsudoki Kabushiki Kaisha
- Electric Hydrofoil Watercraft12 Feb 2026US 2026/0042514 A1SIFLY AI Ltd.
- Mounting structure of propulsion device for water-surface movable body and propulsion unit for water-surface movable body2 Oct 2025US 2025/0304230 A1Honda Motor Co., Ltd.
- Electric-powered boat or marine vessel21 Aug 2025US 2025/0263160 A1Voltaic LLC
- Stern drives and noise-vibration-harshness dampening assemblies for a stern drives5 Oct 2023US 2023/0312075 A1Brunswick Corporation
- Stern drives and methods of installing stern drives28 Sep 2023US 2023/0303230 A1Brunswick Corporation
Most cited
By later US patents
- Support device for a trolling motor54US 7,285,029 B1Brunswick Corporation · 2007
- Impact absorbing isolator sleeve and assembly for mounting a trolling motor44US 7,303,595 B1Brunswick Corporation · 2007
- Marine propulsion support mount system42US 7,896,304 B1Brunswick Corporation · 2011
- Transom mounted marine propulsion device with lateral crankshaft and power shaft39US 4,382,797 AOutboard Marine Corporation · 1983
- Transom mounted marine propulsion device with fore and aft crankshaft and power shaft38US 4,408,994 AOutboard Marine Corporation · 1983