B63H 23/08
With provision for reversing drive
Official title: with provision for reversing drive
B63H23/08 (With provision for reversing drive) appears on 158 US grants and 83 published applications in this corpus.
Search patents in B63H- Granted patents
- 158
- Published applications
- 83
- Assignees
- 59
- Inventors
- 216
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 11 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 6 | 1 |
| 2003 | 2 | 1 |
| 2004 | 2 | 2 |
| 2005 | 3 | 2 |
| 2006 | 2 | 8 |
| 2007 | 4 | 3 |
| 2008 | 5 | 5 |
| 2009 | 3 | 13 |
| 2010 | 5 | 4 |
| 2011 | 7 | 2 |
| 2012 | 7 | 1 |
| 2013 | 4 | 0 |
| 2014 | 2 | 2 |
| 2015 | 2 | 6 |
| 2016 | 2 | 2 |
| 2017 | 5 | 7 |
| 2018 | 10 | 6 |
| 2019 | 7 | 2 |
| 2020 | 5 | 1 |
| 2021 | 3 | 3 |
| 2022 | 4 | 3 |
| 2023 | 2 | 3 |
| 2024 | 1 | 1 |
| 2025 | 4 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reduction and reversing gear unit3 Mar 2026US 12,565,298 B2Kanzaki Kokyukoki Mfg.Co., Ltd.
- Marine propulsion apparatus14 Oct 2025US 12,441,450 B2Kanzaki Kokyukoki Manufacturing Co., Ltd.
- Propulsion and braking system using clutch5 Aug 2025US 12,379,005 B2Stxengine Co., Ltd
- Electrically controllable pitch propeller system for maritime crafts15 Apr 2025US 12,275,514 B1Rolls-Royce Marine North America Inc.
- Propulsion control arrangement for a marine vessel8 Apr 2025US 12,269,569 B2AB Volvo Penta
- Waterjet-propelled vessel8 Oct 2026US 2026/0307772 A1Kanzaki Kokyukoki Mfg.Co., Ltd.
- Outboard motor26 Feb 2026US 2026/0054811 A1Suzuki Motor Corporation
- Advanced crash reversal propulsion system for marine vessel28 Aug 2025US 2025/0269942 A1Caterpillar Inc.
- Inboard marine motor drive and propulsion system1 May 2025US 2025/0136261 A1Ecomar Propulsion Ltd
- Electrically controllable pitch propeller system for maritime crafts27 Mar 2025US 2025/0100663 A1Rolls-Royce Marine North America Inc.
Most cited
By later US patents
- Marine transmission with a cone clutch used for direct transfer of torque1,430US 6,960,107 B1Brunswick Corporation · 2005
- Synchronizer for a gear shift mechanism for a marine propulsion system1,418US 6,062,360 ABrunswick Corporation · 2000
- Marine propulsion system218US 4,459,873 ATwin Disc, Incorporated · 1984
- Twin propeller marine propulsion unit37US 5,766,047 ABrunswick Corporation · 1998
- Marine drive shift mechanism with detent canister centered neutral30US 4,679,682 ABrunswick Corporation · 1987