B63H 2011/084
With two or more pump stages
Official title: {with two or more pump stages}
B63H2011/084 (With two or more pump stages) appears on 21 US grants and 16 published applications in this corpus.
Search patents in B63H- Granted patents
- 21
- Published applications
- 16
- Assignees
- 9
- Inventors
- 27
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Hybrid propulsor for watercraft29 Apr 2025US 12,286,203 B2
- Propulsion device with outboard waterjet for marine vehicles15 Oct 2024US 12,116,096 B2Sealence S.P.A.
- Recuperative jet drive20 Dec 2022US 11,530,020 B2
- Hull propulsion mechanism3 Aug 2021US 11,077,927 B2
- Electrical underwater jet motor with multiple stator for sea vehicles27 Apr 2021US 10,988,223 B2Misal Tasarim Danismanlik Makina Medikal Ithalat Ihracat San. Ve Tic. Ltd. Sti.
- Hybrid Propulsor for Watercraft9 Feb 2023US 2023/0040177 A1
- Propulsion device with outboard waterjet for marine vehicles7 Oct 2021US 2021/0309334 A1Sealence S.P.A.
- Hull propulsion mechanism10 Jun 2021US 2021/0171176 A1
- Recuperative jet drive21 May 2020US 2020/0156750 A1
- Electrical underwater jet motor with multiple stator for sea vehicles2 Jan 2020US 2020/0001960 A1Misal Tasarim Danismanlik Makina Medikal Ithalat Ihracat San. Ve Tic. Ltd. Sti.
Most cited
By later US patents
- Dual propeller shock resistant submersible propulsor unit33US 5,185,545 AWestinghouse Electric Corp. · 1993
- Method and apparatus for propelling a surface ship through water25US 6,725,797 B22004
- Hydraulic jet propulsion apparatus for boats19US 6,663,448 B1Contra Jet WJPS NZ Ltd. · 2003
- Marine propulsion pump with two counter rotating impellers16US 5,480,330 AOutboard Marine Corporation · 1996
- Water jet propulsion unit for use in a jet boat16US 5,634,831 A1997