B63H 23/02
Transmitting power from propulsion power plant to propulsive elements: with mechanical gearing
Official title: with mechanical gearing
B63H23/02 (Transmitting power from propulsion power plant to propulsive elements: with mechanical gearing) appears on 618 US grants and 432 published applications in this corpus.
Search patents in B63H- Granted patents
- 618
- Published applications
- 432
- Assignees
- 199
- Inventors
- 943
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 13 | 0 |
| 1982 | 10 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 12 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 14 | 2 |
| 2002 | 16 | 4 |
| 2003 | 12 | 7 |
| 2004 | 10 | 11 |
| 2005 | 8 | 7 |
| 2006 | 10 | 14 |
| 2007 | 11 | 6 |
| 2008 | 7 | 14 |
| 2009 | 12 | 26 |
| 2010 | 8 | 20 |
| 2011 | 11 | 15 |
| 2012 | 20 | 10 |
| 2013 | 18 | 13 |
| 2014 | 17 | 12 |
| 2015 | 12 | 26 |
| 2016 | 26 | 15 |
| 2017 | 24 | 19 |
| 2018 | 27 | 31 |
| 2019 | 28 | 21 |
| 2020 | 27 | 15 |
| 2021 | 19 | 26 |
| 2022 | 25 | 44 |
| 2023 | 19 | 19 |
| 2024 | 26 | 24 |
| 2025 | 30 | 18 |
| 2026 | 14 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B63H 23/08With provision for reversing drive158
- B63H 23/06For transmitting drive from a single propulsion power unit141
- B63H 23/10For transmitting drive from more than one propulsion power unit124
- B63H 2023/0208By means of endless flexible membersIndexing code73
- B63H 23/04The main transmitting element60
- B63H 2023/0283Using gears having orbital motionIndexing code58
- B63H 2023/0258Comprising gearings with variable gear ratio, other than reversing drives or trollingIndexing code33
- B63H 2023/0291Trolling gears, i.e. mechanical power transmissions comprising controlled slip clutchesIndexing code7
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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
- In-line transmission with counter-rotating outputs223US 6,186,922 B1Synkinetics, Inc. · 2001
- Marine propulsion system218US 4,459,873 ATwin Disc, Incorporated · 1984
- Systems and methods for controlling speed of a marine vessel82US 9,248,898 B1Brunswick Corporation · 2016