B63H 2003/088
Characterised by supply of fluid actuating medium to control element
Official title: {characterised by supply of fluid actuating medium to control element, e.g. of hydraulic fluid to actuator co-rotating with the propeller}
B63H2003/088 (Characterised by supply of fluid actuating medium to control element) appears on 14 US grants and 6 published applications in this corpus.
Search patents in B63H- Granted patents
- 14
- Published applications
- 6
- Assignees
- 13
- Inventors
- 26
- Latest grant
- 3 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Variable-pitch propeller having optimal hub-to-tip diameter ratio3 Dec 2024US 12,157,550 B2Hyundai Heavy Industries Co., Ltd.
- Control apparatus for a hydraulic variable-pitch propeller and propeller unit comprising a control apparatus of this kind12 Oct 2021US 11,143,200 B2MT-Propeller Entwicklung GmbH
- Method for filling a nautical hydraulic steering system8 Sep 2020US 10,766,585 B1Outboard Specialty Tools, LLC
- Propulsion system for vessels20 Mar 2018US 9,919,780 B2InPower LLC
- Hydraulic system for marine propulsion systems19 Nov 2013US 8,585,449 B1BRP US Inc.
- Variable-pitch propeller having optimal hub-to-tip diameter ratio7 Sep 2023US 2023/0278685 A1Hyundai Heavy Industries Co., Ltd.
- Propeller assembly having a pump unit8 Jun 2023US 2023/0174220 A1MT-Propeller Entwicklung GmbH
- Method for Filling a Nautical Hydraulic Steering System24 Sep 2020US 2020/0298951 A1Outboard Specialty Tools, LLC
- Control Apparatus For A Hydraulic Variable-Pitch Propeller And Propeller Unit Comprising A Control Apparatus Of This Kind9 May 2019US 2019/0136867 A1MT-Propeller Entwicklung GmbH
- Propulsion system for vessels1 Oct 2015US 2015/0274271 A1InPower LLC
Most cited
By later US patents
- Feathering controllable pitch propeller19US 4,028,004 ALips Corporation · 1977
- Variable propeller system incorporating a forward transfer bearing15US 4,893,989 AUnited Technologies Corporation · 1990
- Oil infeed device for an adjustable pitch propeller12US 4,563,940 AEscher Wyss Limited · 1986
- Adjustable pitch propeller drive8US 4,365,937 A1982
- Control apparatus for a hydraulic variable-pitch propeller and propeller unit comprising a control apparatus of this kind6US 11,143,200 B2MT-Propeller Entwicklung GmbH · 2021