B63H 20/34
Comprising stabilising fins , foils, anticavitation plates, splash plates, or rudders
Official title: comprising stabilising fins {, foils, anticavitation plates, splash plates, or rudders (rudders carrying propellers B63H25/42; rudders carrying jets B63H25/46)}
B63H20/34 (Comprising stabilising fins , foils, anticavitation plates, splash plates, or rudders) appears on 206 US grants and 86 published applications in this corpus.
Search patents in B63H- Granted patents
- 206
- Published applications
- 86
- Assignees
- 40
- Inventors
- 241
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 3 | 5 |
| 2006 | 6 | 8 |
| 2007 | 3 | 2 |
| 2008 | 2 | 3 |
| 2009 | 3 | 7 |
| 2010 | 3 | 1 |
| 2011 | 3 | 2 |
| 2012 | 6 | 2 |
| 2013 | 3 | 6 |
| 2014 | 5 | 1 |
| 2015 | 6 | 2 |
| 2016 | 7 | 7 |
| 2017 | 7 | 3 |
| 2018 | 5 | 7 |
| 2019 | 7 | 3 |
| 2020 | 3 | 3 |
| 2021 | 5 | 3 |
| 2022 | 2 | 4 |
| 2023 | 3 | 2 |
| 2024 | 4 | 5 |
| 2025 | 1 | 8 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Weed deflection device2 Jun 2026US 12,643,646 B2
- Outboard engine26 May 2026US 12,640,615 B2Honda Motor Co., Ltd.
- Marine vessel propulsion apparatus27 Jan 2026US 12,534,171 B2Honda Motor Co., Ltd.
- Outboard marine drives having splash plate13 Jan 2026US 12,522,336 B1Brunswick Corporation
- Dual strut power transmission housing structure of a marine propulsion system13 May 2025US 12,296,934 B2Flux Marine Ltd.
- Replaceable Wear Component6 Nov 2025US 2025/0340282 A1
- Propulsion device for water-surface movable body18 Sep 2025US 2025/0289552 A1Honda Motor Co., Ltd.
- Dual strut power transmission housing structure of a marine propulsion system24 Jul 2025US 2025/0236375 A1Flux Marine Ltd.
- Boat drive8 May 2025US 2025/0145267 A1Torqeedo GmbH
- Weed deflection device20 Mar 2025US 2025/0091701 A1
Most cited
By later US patents
- Boat stabilizer49US 4,487,152 A1984
- Water jet boat drive46US 3,943,876 AKiekhaefer Aeromarine Motors, Inc. · 1976
- Selectively disengageable, tiller actuated vane steering system45US 4,496,326 ABrunswick Corporation · 1985
- Transom mounted marine propulsion device with lateral crankshaft and power shaft39US 4,382,797 AOutboard Marine Corporation · 1983
- Marine propulsion device with trim sensitive movable trim tab38US 4,352,666 AOutboard Marine Corporation · 1982