B63H 23/14
With unidirectional drive or where reversal is immaterial
Official title: with unidirectional drive or where reversal is immaterial
B63H23/14 (With unidirectional drive or where reversal is immaterial) appears on 12 US grants and 10 published applications in this corpus.
Search patents in B63H- Granted patents
- 12
- Published applications
- 10
- Assignees
- 10
- Inventors
- 24
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 3 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Marine propulsion unit and marine vessel30 Sep 2025US 12,428,121 B2AB Volvo Penta
- Robotic fish15 Apr 2025US 12,275,512 B1King Faisal University
- Outboard motor1 Oct 2024US 12,103,653 B2Honda Motor Co., Ltd.
- Internal combustion machine, water craft, and method for operating the power supply system of a ship using an internal combustion engine2 Aug 2016US 9,404,413 B2MTU Friedrichshafen GmbH
- Two-into-two or one hybrid power device for a marine vehicle5 Aug 2014US 8,795,008 B2Twin Disc, Incorporated
- Marine propulsion unit and marine vessel2 Feb 2023US 2023/0036549 A1AB Volvo Penta
- Outboard motor4 Aug 2022US 2022/0242540 A1Honda Motor Co., Ltd.
- Internal combustion machine, water craft, and method for operating the power supply system of a ship using an internal combustion engine21 Aug 2014US 2014/0230435 A1MTU Friedrichshafen GmbH
- Two-Into-Two or One Hybrid Power Device for a Marine Vehicle11 Oct 2012US 2012/0258639 A1Twin Disc, Incorporated
- Gearbox for Electric Motors16 Aug 2012US 2012/0208661 A1LTS Marine Inc.
Most cited
By later US patents
- Power generating and propelling system of vessel21US 7,147,523 B2Yanmar Co., Ltd. · 2006
- Internal combustion machine, water craft, and method for operating the power supply system of a ship using an internal combustion engine17US 9,404,413 B2MTU Friedrichshafen GmbH · 2016
- Engine and exhaust system for watercraft5US 5,853,308 ASanshin Kogyo Kabushiki Kaisha · 1998
- Marine propulsion unit2US 6,902,448 B22005
- Hybrid outboard motor2US 8,333,626 B2Suzuki Motor Corporation · 2012