B63H 21/12
The vessels being motor-driven
Official title: the vessels being motor-driven (B63H21/175, B63H21/18 take precedence; {cooling circuits with liquid-to-liquid heat-exchange relative to marine vessels F01P3/207})
B63H21/12 (The vessels being motor-driven) appears on 1,143 US grants and 1,369 published applications in this corpus.
Search patents in B63H- Granted patents
- 1,143
- Published applications
- 1,369
- Assignees
- 498
- Inventors
- 2,076
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 12 | 0 |
| 2000 | 22 | 0 |
| 2001 | 20 | 6 |
| 2002 | 19 | 21 |
| 2003 | 21 | 25 |
| 2004 | 27 | 33 |
| 2005 | 25 | 24 |
| 2006 | 32 | 31 |
| 2007 | 14 | 18 |
| 2008 | 17 | 20 |
| 2009 | 17 | 28 |
| 2010 | 11 | 18 |
| 2011 | 15 | 32 |
| 2012 | 16 | 32 |
| 2013 | 20 | 32 |
| 2014 | 28 | 27 |
| 2015 | 26 | 66 |
| 2016 | 26 | 39 |
| 2017 | 60 | 45 |
| 2018 | 54 | 73 |
| 2019 | 66 | 65 |
| 2020 | 66 | 59 |
| 2021 | 70 | 102 |
| 2022 | 70 | 122 |
| 2023 | 86 | 120 |
| 2024 | 83 | 146 |
| 2025 | 102 | 99 |
| 2026 | 63 | 86 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power systems and methods for controlling power for marine vessels6 Oct 2026US 12,752,898 B1Brunswick Corporation
- Watercraft propulsion system, and watercraft6 Oct 2026US 12,752,899 B2Yamaha Hatsudoki Kabushiki Kaisha
- Amphibious vehicle systems22 Sep 2026US 12,741,493 B2
- Marine propulsion device22 Sep 2026US 12,742,410 B2Yamaha Hatsudoki Kabushiki Kaisha
- Systems and methods for controlling high voltage systems for a marine vessel22 Sep 2026US 12,744,485 B1Brunswick Corporation
- Pod drive8 Oct 2026US 2026/0307770 A1Hd Hyundai Electric Co., Ltd.
- Cycloidal marine propulsion system1 Oct 2026US 2026/0296621 A1
- Propulsion system of boat1 Oct 2026US 2026/0296622 A1Honda Motor Co., Ltd.
- System for operating electric motors1 Oct 2026US 2026/0302973 A1In&Motion
- Vessel motion control based on propeller slip24 Sep 2026US 2026/0285459 A1AB Volvo Penta
Most cited
By later US patents
- Energy-generating plant, particularly propeller-type ship's propulsion plant, including a solar generator225US 5,235,266 ASchottel-Werft Josef Becker GmbH & Co. KG · 1993
- Machine mounting system192US 7,552,903 B2Solar Turbines Incorporated · 2009
- Marine hulls and drives97US 7,984,684 B22011
- Gas turbine engine module assembly86US 5,267,397 AAllied-Signal Inc. · 1993
- Trolling motor bow mount77US 6,431,923 B1Johnson Outdoors Inc. · 2002