B63H 23/18
For alternative use of the propulsion power units
Official title: for alternative use of the propulsion power units
B63H23/18 (For alternative use of the propulsion power units) appears on 29 US grants and 23 published applications in this corpus.
Search patents in B63H- Granted patents
- 29
- Published applications
- 23
- Assignees
- 22
- Inventors
- 72
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 3 |
| 2018 | 1 | 0 |
| 2019 | 4 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 3 |
| 2022 | 1 | 1 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hybrid marine propulsion system11 Feb 2025US 12,221,198 B2Discovery Energy, LLC
- Shaft linkage for linking and driving at least two drivetrains of a vessel30 Apr 2024US 11,970,259 B2Svitzer A/S
- Drive system for a ship9 Jan 2024US 11,866,143 B2Schottel GmbH
- Modular drive apparatus14 Feb 2023US 11,577,810 B1Logan Clutch Corporation
- Drive source switching system for marine propulsion device including multiple drive sources, and method of switching drive sources of marine propulsion device24 Jan 2023US 11,560,209 B2Yamaha Hatsudoki Kabushiki Kaisha
- Ship propulsion machine29 Jan 2026US 2026/0028111 A1Suzuki Motor Corporation
- Marine hybrid drive unit and method to drive such a marine hybrid drive unit26 Dec 2024US 2024/0425165 A1ZF Friedrichshafen AG
- Set of parts for marine vessel propulsion assemblies7 Dec 2023US 2023/0391438 A1AB Volvo Penta
- Propulsion assembly20 Apr 2023US 2023/0122045 A1AB Volvo Penta
- Hybrid marine propulsion system4 Aug 2022US 2022/0242541 A1Kohler Co.
Most cited
By later US patents
- Hydrofoil propulsion system24US 4,962,718 AWestfoil International · 1990
- Propulsion arrangement18US 7,862,393 B2WäRtsilä Finland Oy · 2011
- Internal combustion machine, water craft, and method for operating the power supply system of a ship using an internal combustion engine17US 9,404,413 B2MTU Friedrichshafen GmbH · 2016
- Systems and methods for performing a shift in a transmission in marine propulsion systems16US 8,454,402 B1Brunswick Corporation · 2013
- Method and system for controlling a marine drive during shift sensor fault15US 10,155,578 B1Brunswick Corporation · 2018