B63H 25/06
Steering by rudders
Official title: Steering by rudders (by rudders carrying propellers B63H25/42)
B63H25/06 (Steering by rudders) appears on 860 US grants and 519 published applications in this corpus.
Search patents in B63H- Granted patents
- 860
- Published applications
- 519
- Assignees
- 326
- Inventors
- 1,234
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 16 | 0 |
| 1978 | 12 | 0 |
| 1979 | 5 | 0 |
| 1980 | 12 | 0 |
| 1981 | 12 | 0 |
| 1982 | 12 | 0 |
| 1983 | 14 | 0 |
| 1984 | 17 | 0 |
| 1985 | 18 | 0 |
| 1986 | 7 | 0 |
| 1987 | 13 | 0 |
| 1988 | 10 | 0 |
| 1989 | 9 | 0 |
| 1990 | 15 | 0 |
| 1991 | 18 | 0 |
| 1992 | 15 | 0 |
| 1993 | 14 | 0 |
| 1994 | 17 | 0 |
| 1995 | 23 | 0 |
| 1996 | 9 | 0 |
| 1997 | 17 | 0 |
| 1998 | 13 | 0 |
| 1999 | 14 | 0 |
| 2000 | 22 | 0 |
| 2001 | 19 | 5 |
| 2002 | 21 | 16 |
| 2003 | 24 | 16 |
| 2004 | 16 | 21 |
| 2005 | 13 | 16 |
| 2006 | 25 | 13 |
| 2007 | 11 | 16 |
| 2008 | 14 | 24 |
| 2009 | 9 | 17 |
| 2010 | 15 | 24 |
| 2011 | 15 | 15 |
| 2012 | 19 | 23 |
| 2013 | 17 | 10 |
| 2014 | 22 | 19 |
| 2015 | 23 | 26 |
| 2016 | 24 | 19 |
| 2017 | 22 | 38 |
| 2018 | 27 | 21 |
| 2019 | 30 | 29 |
| 2020 | 22 | 21 |
| 2021 | 25 | 17 |
| 2022 | 21 | 33 |
| 2023 | 10 | 31 |
| 2024 | 19 | 15 |
| 2025 | 29 | 16 |
| 2026 | 12 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Steering system having steering angle correction function for single-propeller twin-rudder ship22 Sep 2026US 12,741,731 B2Japan Hamworthy & Co., Ltd.
- Systems and methods for steering a watercraft15 Sep 2026US 12,735,155 B2Arc Boat Company
- Wakesurfing systems and methods25 Aug 2026US 12,715,555 B1Brunswick Corporation
- Pontoon watercraft with electrical propulsion11 Aug 2026US 12,703,462 B2Hyper Electric Marine Inc.
- Power steering device for inflatable boat7 Jul 2026US 12,673,762 B2Boluo Futian Fumao plastic hardware products Co., Ltd.
- Kayak Steering Handle24 Sep 2026US 2026/0285466 A1Johnson Outdoors Inc.
- Apparatus and method for monitoring characteristics of a liquid body10 Sep 2026US 2026/0264818 A1GeoKimika Energy Services, LLC
- Watercraft and method of propulsion of a watercraft10 Sep 2026US 2026/0264825 A1
- Autonomous navigation ship27 Aug 2026US 2026/0249966 A1SoftBank Group Corp.
- Tiller27 Aug 2026US 2026/0249971 A1Reecher Marine AB
Most cited
By later US patents
- Steering systems119US 4,225,148 AAktiebolaget Svenska Kullagerfabriken · 1980
- Adaptive control surface using antagonistic shape memory alloy tendons103US 5,662,294 ALockheed Martin Corporation · 1997
- Integrated hydraulic steering system for a marine propulsion unit64US 6,402,577 B1Brunswick Corporation · 2002
- Differential bucket control system for waterjet boats63US 6,386,930 B2The Talaria Company, LLC · 2002
- Solar powered raft with guidance system58US 6,000,353 A1999