B63H 21/302
With active vibration damping
Official title: {with active vibration damping}
B63H21/302 (With active vibration damping) appears on 24 US grants and 8 published applications in this corpus.
Search patents in B63H- Granted patents
- 24
- Published applications
- 8
- Assignees
- 18
- Inventors
- 41
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Shock absorption for motors25 Nov 2025US 12,479,559 B2Navico, Inc.
- Systems and methods for mounting a propulsion device with respect to a marine vessel11 Apr 2023US 11,623,720 B1Brunswick Corporation
- Variable rotary mass vibration suppression system17 Jan 2023US 11,555,528 B2Moog Inc.
- Systems and methods for mounting a propulsion device with respect to a marine vessel18 Oct 2022US 11,472,528 B1Brunswick Corporation
- Boat drive17 Aug 2021US 11,091,241 B2Torqeedo GmbH
- Shock absorption for motors18 Jul 2024US 2024/0239469 A1Navico, Inc.
- Variable rotary mass vibration suppression system18 Jun 2020US 2020/0191237 A1Moog Inc.
- Boat Drive30 Jan 2020US 2020/0031447 A1Torqeedo GmbH
- Method, apparatus and system for reducing vibration in a rotary system of a watercraft4 Oct 2012US 2012/0252591 A1
- Damping of vibrations16 Jun 2005US 2005/0126849 A1BAE SYSTEMS plc
Most cited
By later US patents
- System and method for damping narrow band axial vibrations of a rotating device64US 5,291,975 ASatCon Technology Corporation · 1994
- Method of and apparatus for active vibration isolation48US 4,600,863 ASound Attenuators Limited · 1986
- Noise reducing system27US 6,419,533 B2Bombardier Inc. · 2002
- Mounting for machinery18US 5,022,628 AGEC-Marconi Limited · 1991
- Shock and vibration isolator for member mounted on submerged body17US 5,265,552 ATaylor Devices, Inc. · 1993