B63H 3/12
The pitch being adjustable only when propeller is stationary
Official title: the pitch being adjustable only when propeller is stationary (B63H3/002 takes precedence)
B63H3/12 (The pitch being adjustable only when propeller is stationary) appears on 16 US grants and 4 published applications in this corpus.
Search patents in B63H- Granted patents
- 16
- Published applications
- 4
- Assignees
- 9
- Inventors
- 21
- Latest grant
- 3 Jan 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Feathering propeller with adjustable abutment3 Jan 2017US 9,533,745 B2Max Prop S.R.L.
- Method for modifying engine loading through changing of propeller blade shape by bending a propeller blade edge to modify the section camber and pitch of the blade, and propellers made using the same4 Jan 2005US 6,837,760 B2
- Boat propeller capable of being easily changed in pitch thereof14 Jan 2003US 6,506,019 B2Solas Science & Engineering Co., Ltd.
- Manually adjustable variable-pitch boat propeller2 Apr 2002US 6,364,610 B1NASYC Holding S.A.
- Universal constant speed variable pitch boat propeller system19 Mar 2002US 6,358,007 B1
- Feathering propeller with adjustable abutment9 Oct 2014US 2014/0301843 A1Max Prop S.R.L.
- Method for modifying engine loading through changing of propeller blade shape by bending a propeller blade edge to modify the section camber and pitch of the blade, and propellers made using the same27 Nov 2003US 2003/0220028 A1
- Boat propeller capable of being easily changed in pitch thereof5 Dec 2002US 2002/0182080 A1Solas Science & Engineering Co., Ltd.
- Universal constant speed variable pitch boat propeller system17 Oct 2002US 2002/0150473 A1
Most cited
By later US patents
- Built-up marine propellers with adjustable pitch and axially removable blades14US 4,150,921 APropulsion Systems, Inc. · 1979
- Marine propeller13US 6,312,223 B12001
- Variable pitch propeller apparatus11US 5,810,561 A1998
- Apparatus for adjusting and locking pitch of a variable pitch propeller on a ship9US 4,643,643 ABlohm & Voss AG · 1987
- Propeller with removable and adjustable blades9US 4,692,097 AFonderie Musil · 1987