B63H 5/08
Of more than one propeller
Official title: of more than one propeller
B63H5/08 (Of more than one propeller) appears on 444 US grants and 292 published applications in this corpus.
Search patents in B63H- Granted patents
- 444
- Published applications
- 292
- Assignees
- 147
- Inventors
- 656
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 11 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 19 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 3 |
| 2002 | 12 | 11 |
| 2003 | 9 | 8 |
| 2004 | 10 | 7 |
| 2005 | 7 | 8 |
| 2006 | 9 | 11 |
| 2007 | 13 | 13 |
| 2008 | 7 | 14 |
| 2009 | 5 | 6 |
| 2010 | 5 | 11 |
| 2011 | 5 | 9 |
| 2012 | 8 | 12 |
| 2013 | 10 | 13 |
| 2014 | 11 | 20 |
| 2015 | 19 | 22 |
| 2016 | 23 | 18 |
| 2017 | 17 | 6 |
| 2018 | 13 | 15 |
| 2019 | 16 | 14 |
| 2020 | 14 | 9 |
| 2021 | 8 | 8 |
| 2022 | 8 | 13 |
| 2023 | 8 | 12 |
| 2024 | 10 | 14 |
| 2025 | 10 | 9 |
| 2026 | 9 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Outboard motor22 Sep 2026US 12,741,727 B2Suzuki Motor Corporation
- Outboard motor8 Sep 2026US 12,728,973 B2Suzuki Motor Corporation
- Water vehicle1 Sep 2026US 12,722,748 B2Cpd, LLC
- Energy-saving arrangement for twin-screw ships25 Aug 2026US 12,715,564 B2Becker Marine Systems GmbH & Co.KG
- Hydrofoil apparatuses, systems, and methods for marine vessels30 Jun 2026US 12,668,328 B1Brunswick Corporation
- Apparatus and method for fluid manipulation9 Jul 2026US 2026/0194082 A1
- Marine drive system comprising an interceptor assembly4 Jun 2026US 2026/0152270 A1AB Volvo Penta
- Marine controllable-pitch propeller, propeller system for a boat and boat including the same30 Apr 2026US 2026/0116520 A1AB Volvo Penta
- Multi-row propeller (mrp) with co-rotating blades12 Feb 2026US 2026/0042523 A1
- Marine drive transmission with contra-rotating propellers29 Jan 2026US 2026/0028104 A1ZF Friedrichshafen AG
Most cited
By later US patents
- In-line transmission with counter-rotating outputs223US 6,186,922 B1Synkinetics, Inc. · 2001
- Marine drive with integrated trim tab100US 7,188,581 B1Brunswick Corporation · 2007
- Systems and methods for controlling speed of a marine vessel82US 9,248,898 B1Brunswick Corporation · 2016
- Systems and methods for controlling speed of a marine vessel76US 9,039,468 B1Brunswick Corporation · 2015
- Disc rotors with permanent magnets for brushless DC motor73US 5,117,141 AThe United States of America as represented by the Department of Energy · 1992