B63H 2020/005
Arrangements of two or more propellers, or the like on single outboard
Official title: {Arrangements of two or more propellers, or the like on single outboard propulsion units}
B63H2020/005 (Arrangements of two or more propellers, or the like on single outboard) appears on 95 US grants and 78 published applications in this corpus.
Search patents in B63H- Granted patents
- 95
- Published applications
- 78
- Assignees
- 30
- Inventors
- 155
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 3 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 3 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 3 | 5 |
| 2017 | 2 | 4 |
| 2018 | 3 | 2 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 2 | 6 |
| 2022 | 11 | 12 |
| 2023 | 10 | 10 |
| 2024 | 8 | 12 |
| 2025 | 12 | 8 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Diagnostics system for a dual propeller drive unit9 Jun 2026US 12,649,549 B2AB Volvo Penta
- Outboard motor25 Nov 2025US 12,479,556 B2Suzuki Motor Corporation
- Impressed current cathodic protection system and a method of operating the system11 Nov 2025US 12,467,148 B2AB Volvo Penta
- Hybrid ship propulsion machine21 Oct 2025US 12,448,102 B2Suzuki Motor Corporation
- Marine propulsion unit and marine vessel30 Sep 2025US 12,428,121 B2AB Volvo Penta
- Marine drive unit15 Jan 2026US 2026/0015072 A1AB Volvo Penta
- Duo-propellers and single propellers27 Nov 2025US 2025/0360996 A1
- Boat control system and boat31 Jul 2025US 2025/0242902 A1Yamaha Hatsudoki Kabushiki Kaisha
- System for controlling marine craft with steerable propellers17 Jul 2025US 2025/0229885 A1Vector Controls Inc.
- A marine propulsion unit comprising a compound planetary gear26 Jun 2025US 2025/0206426 A1AB Volvo Penta
Most cited
By later US patents
- Chain driven marine propulsion system with steerable gearcase and dual counterrotating propellers41US 4,932,907 ABrunswick Corporation · 1990
- Chain drive marine propulsion system with dual counterrotating propellers39US 4,887,983 ABrunswick Corporation · 1989
- Method and system for controlling two or more propulsion devices on a marine vessel37US 10,048,690 B1Brunswick Corporation · 2018
- Counter-rotating surfacing marine drive31US 5,230,644 ABrunswick Corporation · 1993
- Marine drive lower unit with sequentially loaded multiple thrust bearings30US 4,832,636 ABrunswick Corporation · 1989