B63H 23/326
Water lubricated bearings
Official title: {Water lubricated bearings}
B63H23/326 (Water lubricated bearings) appears on 37 US grants and 16 published applications in this corpus.
Search patents in B63H- Granted patents
- 37
- Published applications
- 16
- Assignees
- 17
- Inventors
- 46
- Latest grant
- 21 Apr 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Marine vessel shaft bearing overheat monitor and alarm system21 Apr 2020US 10,627,295 B2
- Vessel propulsion apparatus and vessel including the same1 Jan 2019US 10,167,067 B2Yamaha Hatsudoki Kabushiki Kaisha
- Underwater propelling device for underwater vehicle5 Jan 2016US 9,227,709 B1Ecole Polytechnique Federale De Lausanne (Epfl)
- Underwater propulsion apparatus performance enhancement device and associated methods18 Oct 2011US 8,038,492 B2
- Underwater propulsion apparatus performance enhancement device and associated methods23 Nov 2010US 7,837,524 B2
- A thrust generating assembly24 Jul 2025US 2025/0236376 A1Kongsberg Maritime Sweden AB
- Method and Arrangement for Sealing a Propeller Shaft of a Marine Vessel17 Jul 2025US 2025/0229884 A1ABB AB
- A marine vessel propulsion device6 Feb 2025US 2025/0042528 A1Kongsberg Maritime Sweden AB
- Marine Vessel Shaft Bearing Overheat Monitor and Alarm System29 Aug 2019US 2019/0265111 A1
- Vessel propulsion apparatus and vessel including the same17 May 2018US 2018/0134355 A1Yamaha Hatsudoki Kabushiki Kaisha
Most cited
By later US patents
- Tunnel thruster and water lubricated rotor duct assembly27US 6,482,054 B2The Penn State Research Foundation · 2002
- Extrudable multi-rigidity hydrodynamic bearing and method of making the same26US 5,033,871 A1991
- Water lubricated sleeve bearings24US 4,319,790 A1982
- Thin rubber surfaced bearings23US 3,993,371 AThe B. F. Goodrich Company · 1976
- Water lubricated bearing device22US 3,971,606 AIshikawajima-Harima Jukogyo Kabushiki Kaisha · 1976