B63H 23/28
Transmitting power from propulsion power plant to propulsive elements: with synchronisation of
Official title: with synchronisation of propulsive elements
B63H23/28 (Transmitting power from propulsion power plant to propulsive elements: with synchronisation of) appears on 17 US grants and 13 published applications in this corpus.
Search patents in B63H- Granted patents
- 17
- Published applications
- 13
- Assignees
- 15
- Inventors
- 43
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 3 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 3 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Ship control method, ship control program, and ship control system, and ship30 Dec 2025US 12,509,205 B2Yanmar Holdings Co., Ltd.
- Marine propulsion control system with synchronized troll and method of operation25 Mar 2025US 12,258,113 B2Caterpillar Inc.
- Systems and methods for synchronizing shifting across marine propulsion devices14 Jun 2022US 11,358,698 B1Brunswick Corporation
- Contra-rotating propulsor for marine propulsion27 Aug 2019US 10,392,089 B2Michigan Marine Propulsion Systems, LLC
- Fault identification and isolation in an electric propulsion system26 Mar 2019US 10,243,355 B2Rolls-Royce North American Technologies Inc.
- Control handle for a marine electric drive system12 Oct 2023US 2023/0322350 A1AB Volvo Penta
- Marine Propulsion Control System with Synchronized Troll and Method of Operation26 Jan 2023US 2023/0028865 A1Caterpillar Inc.
- Ship control method, ship control program, and ship control system, and ship19 Jan 2023US 2023/0020778 A1Yanmar Holdings Co., Ltd.
- Contra-rotating propulsor for marine propulsion18 May 2017US 2017/0137100 A1Michigan Marine Propulsion Systems, LLC
- Fault identification and isolation in an electric propulsion system15 Dec 2016US 2016/0365722 A1Rolls-Royce North American Technologies Inc.
Most cited
By later US patents
- Automatic motor synchronizer43US 5,004,962 AArrow Marine, Inc. · 1991
- Control for watercraft26US 5,782,659 ASanshin Kogyo Kabushiki Kaisha · 1998
- Warning device for a watercraft provided with a plurality of marine propulsion engines21US 4,822,307 ASanshin Kogyo Kabushiki Kaisha · 1989
- Contra-rotating propulsor for marine propulsion19US 10,392,089 B2Michigan Marine Propulsion Systems, LLC · 2019
- Barge arrangement, barge unit and tug unit12US 7,047,899 B2WäRtsilä Finland Oy · 2006