B63H 20/002
For handling lubrication liquids
Official title: {for handling lubrication liquids (in engines, e.g. outboard marine engines, F01M)}
B63H20/002 (For handling lubrication liquids) appears on 178 US grants and 94 published applications in this corpus.
Search patents in B63H- Granted patents
- 178
- Published applications
- 94
- Assignees
- 33
- Inventors
- 278
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 1 |
| 2003 | 2 | 4 |
| 2004 | 5 | 2 |
| 2005 | 1 | 4 |
| 2006 | 3 | 1 |
| 2007 | 0 | 3 |
| 2008 | 3 | 3 |
| 2009 | 2 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 3 | 0 |
| 2013 | 3 | 2 |
| 2014 | 4 | 2 |
| 2015 | 4 | 7 |
| 2016 | 9 | 6 |
| 2017 | 11 | 5 |
| 2018 | 10 | 3 |
| 2019 | 7 | 3 |
| 2020 | 6 | 6 |
| 2021 | 6 | 2 |
| 2022 | 4 | 9 |
| 2023 | 8 | 4 |
| 2024 | 4 | 8 |
| 2025 | 7 | 7 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Outboard motor6 Oct 2026US 12,752,902 B2Yamaha Hatsudoki Kabushiki Kaisha
- Lubrication mechanism8 Sep 2026US 12,729,636 B2Honda Motor Co., Ltd.
- Marine vessel propulsion machine ventilation apparatus and marine vessel propulsion machine21 Jul 2026US 12,686,479 B2Honda Motor Co., Ltd.
- Gearcase assemblies for marine drives having replaceable nose caps9 Jun 2026US 12,649,559 B1Brunswick Corporation
- Gearcase assemblies for marine drives having combination filling/draining devices12 May 2026US 12,623,763 B1Brunswick Corporation
- Electric outboard motor6 Aug 2026US 2026/0225700 A1Suzuki Motor Corporation
- Outboard motor6 Aug 2026US 2026/0225701 A1Yamaha Hatsudoki Kabushiki Kaisha
- A marine drive unit with a bi-directional integrated oil channel19 Mar 2026US 2026/0077849 A1AB Volvo Penta
- Marine drive unit15 Jan 2026US 2026/0015072 A1AB Volvo Penta
- Propulsion device for water-surface movable body18 Sep 2025US 2025/0289550 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Separate oiling system for outboard motor42US 5,149,287 ASanshin Kogyo Kabushiki Kaisha · 1992
- Cooling system for an outboard motor having a hydraulic shift mechanism40US 9,840,316 B1Brunswick Corporation · 2017
- Transmission lubricant system for an outboard motor35US 10,502,312 B1Brunswick Corporation · 2019
- Sight glass for observing lubricant in the lower gearcase of marine engines34US 4,757,710 A1988
- Counter-rotating surfacing marine drive31US 5,230,644 ABrunswick Corporation · 1993