B63H 2023/305
Using fluid or semifluid as power transmitting means
Official title: {using fluid or semifluid as power transmitting means}
B63H2023/305 (Using fluid or semifluid as power transmitting means) appears on 16 US grants and 18 published applications in this corpus.
Search patents in B63H- Granted patents
- 16
- Published applications
- 18
- Assignees
- 16
- Inventors
- 37
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 4 |
| 2008 | 1 | 2 |
| 2009 | 2 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Marine propulsion apparatus14 Oct 2025US 12,441,450 B2Kanzaki Kokyukoki Manufacturing Co., Ltd.
- Saildrive arrangement5 Jul 2022US 11,377,188 B2ZF Friedrichshafen AG
- Clutch assembly and system16 Nov 2021US 11,174,903 B1Logan Clutch Corporation
- Clutch assembly and system20 Nov 2018US 10,132,366 B1Logan Clutch Corporation
- Clutch assembly and system12 Dec 2017US 9,841,067 B1Logan Clutch Corporation
- A marine propulsion system24 Apr 2025US 2025/0128805 A1AB Volvo Penta
- Propulsion system arrangement and method having fluid circuits for cooling and lubrication of motor and clutch10 Oct 2024US 2024/0336343 A1Caterpillar Inc.
- Marine drive unit with a cooling oil circuit22 Aug 2024US 2024/0278895 A1ZF Friedrichshafen AG
- Marine propulsion apparatus15 Sep 2022US 2022/0289355 A1Kanzaki Kokyukoki Manufacturing Co., Ltd.
- Method to operate a marine propulsion system in a trolling mode, control unit and marine propulsion system12 Aug 2021US 2021/0245856 A1ZF Friedrichshafen AG
Most cited
By later US patents
- Outboard motor25US 8,157,694 B2Yamaha Hatsudoki Kabushiki Kaisha · 2012
- Outboard motor18US 7,704,183 B2Yamaha Hatsudoki Kabushiki Kaisha · 2010
- Outboard engine system7US 7,578,713 B2Yutaka Giken Co., Ltd. · 2009
- Method and apparatus for decelerating a marine propulsion system during an emergency stop maneuver6US 5,171,176 AMAN Nutzfahrzeuge AG · 1992
- Boat propulsion system6US 7,168,997 B22007