B63H 3/082
The control element being axially reciprocatable
Official title: {the control element being axially reciprocatable}
B63H3/082 (The control element being axially reciprocatable) appears on 32 US grants and 13 published applications in this corpus.
Search patents in B63H- Granted patents
- 32
- Published applications
- 13
- Assignees
- 21
- Inventors
- 51
- Latest grant
- 12 Oct 2021
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 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- 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 of arranging the lubrication of a controllable pitch propeller arrangement of a marine vessel and a lubrication arrangement therefor1 Sep 2020US 10,759,510 B2Wartsila Netherlands B.V.
- Dual valve systems for actuator control3 Mar 2020US 10,577,080 B2Hamilton Sundstrand Corporation
- Propulsion system for vessels20 Mar 2018US 9,919,780 B2InPower LLC
- Marine surface propulsion device26 Dec 2017US 9,849,955 B1
- Methods and apparatus to control propeller pitch in dual acting propellers31 Oct 2024US 2024/0359793 A1GE Avio S. r. l.
- 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
- Dual valve systems for actuator control28 Feb 2019US 2019/0061916 A1Hamilton Sundstrand Corporation
- Method of arranging the lubrication of a controllable pitch propeller arrangement of a marine vessel and a lubrication arrangement therefor1 Feb 2018US 2018/0029680 A1Wartsila Netherlands B.V.
- Propulsion system for vessels1 Oct 2015US 2015/0274271 A1InPower LLC
Most cited
By later US patents
- Actuation system for a controllable pitch propeller51US 6,811,376 B2Hamilton Sundstrand Corporation · 2004
- 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
- Variable pitch marine propeller system13US 4,929,201 AVari-Prop, Inc. · 1990
- Adjustable propeller unit which can be hydraulically reversed13US 6,196,801 B1Mühlbauer Luftfahrttechnik GmbH · 2001