B63H 5/14
Characterised by being mounted in non-rotating ducts or rings
Official title: characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose (shrouding ring attached to blades B63H1/16; jet propulsion B63H11/00)
B63H5/14 (Characterised by being mounted in non-rotating ducts or rings) appears on 255 US grants and 175 published applications in this corpus.
Search patents in B63H- Granted patents
- 255
- Published applications
- 175
- Assignees
- 113
- Inventors
- 391
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 7 |
| 2003 | 2 | 4 |
| 2004 | 7 | 3 |
| 2005 | 2 | 4 |
| 2006 | 6 | 11 |
| 2007 | 4 | 3 |
| 2008 | 5 | 5 |
| 2009 | 2 | 8 |
| 2010 | 4 | 6 |
| 2011 | 4 | 6 |
| 2012 | 3 | 5 |
| 2013 | 4 | 7 |
| 2014 | 5 | 4 |
| 2015 | 6 | 16 |
| 2016 | 14 | 8 |
| 2017 | 9 | 13 |
| 2018 | 10 | 13 |
| 2019 | 12 | 6 |
| 2020 | 11 | 9 |
| 2021 | 2 | 5 |
| 2022 | 9 | 11 |
| 2023 | 4 | 5 |
| 2024 | 7 | 10 |
| 2025 | 10 | 4 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Energy-saving arrangement for twin-screw ships25 Aug 2026US 12,715,564 B2Becker Marine Systems GmbH & Co.KG
- Combination trim tab and propulsion unit18 Aug 2026US 12,709,369 B2Roswell Canada Inc.
- Marine propulsion device and marine vessel16 Jun 2026US 12,654,831 B2Yamaha Hatsudoki Kabushiki Kaisha
- Watercraft propulsion system, and watercraft including the watercraft propulsion system9 Jun 2026US 12,650,690 B2Yamaha Hatsudoki Kabushiki Kaisha
- Bow thruster module and related methods10 Mar 2026US 12,570,388 B1Correct Craft IP Holdings, LLC
- Thrust rings, propellers and methods12 Feb 2026US 2026/0043332 A1Sharrow Engineering LLC
- Watercraft propulsion system, and watercraft13 Feb 2025US 2025/0050991 A1Yamaha Hatsudoki Kabushiki Kaisha
- Watercraft propulsion system, and watercraft13 Feb 2025US 2025/0050992 A1Yamaha Hatsudoki Kabushiki Kaisha
- Watercraft propulsion system and watercraft13 Feb 2025US 2025/0050994 A1Yamaha Hatsudoki Kabushiki Kaisha
- A marine vessel propulsion device6 Feb 2025US 2025/0042528 A1Kongsberg Maritime Sweden AB
Most cited
By later US patents
- Paired motor system for small boat propulsion and steerage56US 5,090,929 A1992
- Integral motor propulsor unit for water vehicles with plural electric motors driving a single propeller54US 5,252,875 AWestinghouse Electric Corp. · 1993
- Integrated motor/marine propulsor with permanent magnet blades50US 5,607,329 AThe United States of America as represented by the Secretary of the Navy · 1997
- Weight-shift controlled personal hydrofoil watercraft50US 9,359,044 B22016
- Manoeuvring device for boats49US 4,895,093 A1990