B63H 3/06
Propeller-blade pitch changing: characterised by use of non-mechanical actuating means
Official title: characterised by use of non-mechanical actuating means, e.g. electrical (B63H3/002 takes precedence)
B63H3/06 (Propeller-blade pitch changing: characterised by use of non-mechanical actuating means) appears on 60 US grants and 32 published applications in this corpus.
Search patents in B63H- Granted patents
- 60
- Published applications
- 32
- Assignees
- 41
- Inventors
- 106
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 6 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 3 |
| 2012 | 0 | 0 |
| 2013 | 4 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 2 | 2 |
| 2019 | 0 | 4 |
| 2020 | 4 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Propulsion device for marine vessel and outboard motor17 Mar 2026US 12,576,956 B2Yamaha Hatsudoki Kabushiki Kaisha
- Electrically controllable pitch propeller system for maritime crafts15 Apr 2025US 12,275,514 B1Rolls-Royce Marine North America Inc.
- Variable-pitch propeller having optimal hub-to-tip diameter ratio3 Dec 2024US 12,157,550 B2Hyundai Heavy Industries Co., Ltd.
- Reluctance driven axial modulating mechanism for rotating shafts realizing a controllable pitch propeller/fan/turbine13 Jun 2023US 11,673,639 B2
- Propeller system24 May 2022US 11,338,906 B2Hamilton Sundstrand Corporation
- Pod drive unit23 Jul 2026US 2026/0208835 A1AB Volvo Penta
- Pod drive unit23 Jul 2026US 2026/0208836 A1AB Volvo Penta
- Propeller pitch indicator systems for electrically controllable pitch propeller systems on watercraft27 Mar 2025US 2025/0100662 A1
- Electrically controllable pitch propeller system for maritime crafts27 Mar 2025US 2025/0100663 A1Rolls-Royce Marine North America Inc.
- Methods and apparatus to control propeller pitch in dual acting propellers31 Oct 2024US 2024/0359793 A1GE Avio S. r. l.
Most cited
By later US patents
- Actuation system for a controllable pitch propeller51US 6,811,376 B2Hamilton Sundstrand Corporation · 2004
- Propeller system with electronically controlled cyclic and collective blade pitch40US 4,648,345 AAmetek, Inc. · 1987
- Controllable pitch propeller arrangement27US 5,967,749 AElectric Boat Corporation · 1999
- Feathering controllable pitch propeller19US 4,028,004 ALips Corporation · 1977
- Propeller blade pitch control system19US 8,439,640 B2Hamilton Sundstrand Corporation · 2013