B63H 21/30
Mounting of propulsion plant or unit
Official title: Mounting of propulsion plant or unit, e.g. for anti-vibration purposes (hull reinforcements therefor B63B3/70)
B63H21/30 (Mounting of propulsion plant or unit) appears on 310 US grants and 177 published applications in this corpus.
Search patents in B63H- Granted patents
- 310
- Published applications
- 177
- Assignees
- 131
- Inventors
- 553
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 9 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 13 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 1 |
| 2002 | 9 | 4 |
| 2003 | 7 | 10 |
| 2004 | 8 | 8 |
| 2005 | 10 | 11 |
| 2006 | 8 | 9 |
| 2007 | 12 | 3 |
| 2008 | 7 | 4 |
| 2009 | 5 | 4 |
| 2010 | 3 | 3 |
| 2011 | 3 | 6 |
| 2012 | 1 | 7 |
| 2013 | 5 | 6 |
| 2014 | 4 | 4 |
| 2015 | 8 | 16 |
| 2016 | 11 | 4 |
| 2017 | 9 | 6 |
| 2018 | 8 | 5 |
| 2019 | 4 | 4 |
| 2020 | 2 | 7 |
| 2021 | 10 | 5 |
| 2022 | 6 | 10 |
| 2023 | 6 | 18 |
| 2024 | 11 | 9 |
| 2025 | 16 | 7 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Marine drives and methods of clearing debris from a cooling water intake on marine drives29 Sep 2026US 12,747,014 B1Brunswick Corporation
- Marine drives15 Sep 2026US 12,735,164 B1Brunswick Corporation
- Stern drives and methods of installing stern drives21 Apr 2026US 12,606,289 B2Brunswick Corporation
- Reefer power control17 Mar 2026US 12,576,690 B2Maersk Line A/S
- Stern drives and noise-vibration-harshness dampening assemblies for a stern drives10 Feb 2026US 12,545,391 B2Brunswick Corporation
- Marine drive system comprising an interceptor assembly4 Jun 2026US 2026/0152270 A1AB Volvo Penta
- Rotating motor mount apparatus21 May 2026US 2026/0139788 A1Shuttle Slide, LLC
- Support assemblies for watercrafts and related methods of assembly23 Apr 2026US 2026/0109444 A1White River Marine Group, LLC
- Boat propulsion device and boat12 Mar 2026US 2026/0070640 A1Yamaha Hatsudoki Kabushiki Kaisha
- Boat propulsion device and boat12 Mar 2026US 2026/0070641 A1Yamaha Hatsudoki Kabushiki Kaisha
Most cited
By later US patents
- Machine mounting system192US 7,552,903 B2Solar Turbines Incorporated · 2009
- System and method for damping narrow band axial vibrations of a rotating device64US 5,291,975 ASatCon Technology Corporation · 1994
- Support device for a trolling motor54US 7,285,029 B1Brunswick Corporation · 2007
- Levitation device52US 6,127,757 ABAE Systems Electronics Limited · 2000
- Method of and apparatus for active vibration isolation48US 4,600,863 ASound Attenuators Limited · 1986