B63H 2025/387
Comprising two or more rigidly interconnected mutually spaced blades pivotable about a
Official title: {comprising two or more rigidly interconnected mutually spaced blades pivotable about a common rudder shaft, e.g. parallel twin blades mounted on a pivotable supporting frame}
B63H2025/387 (Comprising two or more rigidly interconnected mutually spaced blades pivotable about a) appears on 16 US grants and 10 published applications in this corpus.
Search patents in B63H- Granted patents
- 16
- Published applications
- 10
- Assignees
- 10
- Inventors
- 19
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Gate rudder including left rudder and right rudder disposed left and right of propeller of ship21 Oct 2025US 12,448,106 B2Kay Seven Co., Ltd.
- Steering mechanism for a boat having a planing hull25 May 2021US 11,014,643 B2MasterCraft Boat Company, LLC
- Rudder device for a hydrojet vessel24 Nov 2020US 10,843,778 B1
- Steering mechanism for a boat having a planing hull5 Nov 2019US 10,464,655 B2MasterCraft Boat Company, LLC
- Rudder device for a hydrojet vessel16 Apr 2019US 10,259,552 B1
- Modifying marine vessel propulsor steering angle29 May 2025US 2025/0171129 A1Vector Controls Inc.
- Gate rudder including left rudder and right rudder disposed left and right of propeller of ship1 Jun 2023US 2023/0166825 A1Kamome Propeller Co., Ltd.
- Aquatic towable device3 Sep 2020US 2020/0277037 A1
- Steering mechanism for a boat having a planing hull27 Feb 2020US 2020/0062367 A1MasterCraft Boat Company, LLC
- Steering mechanism for a boat having a planing hull13 Dec 2018US 2018/0354599 A1MasterCraft Boat Company, LLC
Most cited
By later US patents
- Steering mechanism for a boat having a planing hull9US 9,611,009 B1MasterCraft Boat Company, LLC · 2017
- Method of vessel propulsion with coordinated bow propulsion8US 6,325,010 B1Power Vent Technologies, Inc. · 2001
- Auxiliary keel system for marine crafts powered by jet propulsion systems5US 6,561,858 B12003
- Sailing craft4US 4,385,579 A1983
- Steering mechanism for a boat having a planing hull3US 10,065,725 B2MasterCraft Boat Company, LLC · 2018