B63H 20/22
Allowing movement of the propulsion element about at least a horizontal axis
Official title: allowing movement of the propulsion element about at least a horizontal axis without disconnection of the drive, e.g. using universal joints
B63H20/22 (Allowing movement of the propulsion element about at least a horizontal axis) appears on 116 US grants and 45 published applications in this corpus.
Search patents in B63H- Granted patents
- 116
- Published applications
- 45
- Assignees
- 35
- Inventors
- 135
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 14 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 2 | 2 |
| 2006 | 3 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 3 |
| 2010 | 2 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 3 |
| 2013 | 2 | 1 |
| 2014 | 2 | 3 |
| 2015 | 0 | 0 |
| 2016 | 5 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 3 |
| 2022 | 1 | 3 |
| 2023 | 4 | 5 |
| 2024 | 2 | 2 |
| 2025 | 3 | 6 |
By publication year. Applications have been published since 2001.
Recent patents
- Outboard motor and drive shaft assembling method26 Aug 2025US 12,397,891 B2Suzuki Motor Corporation
- Dynamic active control system with engine control10 Jun 2025US 12,326,735 B2Seakeeper, Inc.
- Marine propulsion system7 Jan 2025US 12,187,398 B2Caudwell Marine Limited
- Marine propulsion system29 Oct 2024US 12,129,004 B2Caudwell Marine Limited
- Outboard motor1 Oct 2024US 12,103,653 B2Honda Motor Co., Ltd.
- Dynamic Active Control System2 Oct 2025US 2025/0306591 A1
- Dynamic Active Control System with Gyroscopic Stabilizer2 Oct 2025US 2025/0306592 A1
- Dynamic Active Control System with Total Pitch and Roll Control2 Oct 2025US 2025/0306593 A1
- Outboard motor and boat15 May 2025US 2025/0153825 A1Yamaha Hatsudoki Kabushiki Kaisha
- Actuator6 Feb 2025US 2025/0042525 A1Dometic Marine Canada Inc.
Most cited
By later US patents
- Exhaust coupling assembly for a marine stern drive47US 4,178,873 ABrunswick Corporation · 1979
- Chain driven marine propulsion system with steerable gearcase and dual counterrotating propellers41US 4,932,907 ABrunswick Corporation · 1990
- Transom mounted marine propulsion device with lateral crankshaft and power shaft39US 4,382,797 AOutboard Marine Corporation · 1983
- Transom mounted marine propulsion device with fore and aft crankshaft and power shaft38US 4,408,994 AOutboard Marine Corporation · 1983
- Mounting for marine propulsion device located aft of boat transom35US 4,371,348 AOutboard Marine Corporation · 1983