B63H 1/18
With means for diminishing cavitation
Official title: with means for diminishing cavitation, e.g. supercavitation
B63H1/18 (With means for diminishing cavitation) appears on 169 US grants and 113 published applications in this corpus.
Search patents in B63H- Granted patents
- 169
- Published applications
- 113
- Assignees
- 67
- Inventors
- 230
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 0 |
| 2002 | 3 | 8 |
| 2003 | 5 | 5 |
| 2004 | 3 | 6 |
| 2005 | 8 | 2 |
| 2006 | 5 | 10 |
| 2007 | 0 | 3 |
| 2008 | 4 | 4 |
| 2009 | 2 | 6 |
| 2010 | 3 | 3 |
| 2011 | 2 | 5 |
| 2012 | 3 | 3 |
| 2013 | 4 | 3 |
| 2014 | 4 | 2 |
| 2015 | 3 | 7 |
| 2016 | 4 | 2 |
| 2017 | 4 | 8 |
| 2018 | 5 | 5 |
| 2019 | 6 | 4 |
| 2020 | 3 | 5 |
| 2021 | 4 | 4 |
| 2022 | 2 | 6 |
| 2023 | 5 | 2 |
| 2024 | 5 | 6 |
| 2025 | 3 | 4 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Marine propeller with winglets and method of design thereof15 Sep 2026US 12,735,159 B1Brunswick Corporation
- Method of controlling rotational speed of propeller of ship to reduce cavitation30 Jun 2026US 12,668,342 B2Moth Co., Ltd.
- Marine drives and methods of making marine drives so as to minimize deleterious effects of cavitation19 Aug 2025US 12,391,353 B1Brunswick Corporation
- System for reducing blade tip vortex cavitation by controlling mass flow10 Jun 2025US 12,325,499 B2Moth Co., Ltd.
- Duct arrangement and method22 Apr 2025US 12,281,664 B2BAE SYSTEMS plc
- Ventilation control system23 Oct 2025US 2025/0326476 A1Vector Controls Inc.
- System for controlling marine craft with steerable propellers17 Jul 2025US 2025/0229885 A1Vector Controls Inc.
- Outboard motor24 Apr 2025US 2025/0128803 A1Suzuki Motor Corporation
- Method of controlling rotational speed of propeller of ship to reduce cavitation6 Mar 2025US 2025/0074565 A1Moth Co., Ltd.
- Duct arrangement and method5 Sep 2024US 2024/0295230 A1BAE SYSTEMS plc
Most cited
By later US patents
- Marine outdrive apparatus52US 4,645,463 A1987
- Vertically adjustable stern drive for watercraft48US 5,647,780 AYamaha Hatsudoki Kabushiki Kaisha · 1997
- Balanced marine surfacing drive43US 4,790,782 ABrunswick Corporation · 1988
- Marine outdrive apparatus38US 4,544,362 A1985
- Twin propeller marine propulsion unit37US 5,766,047 ABrunswick Corporation · 1998