B63H 2001/286
Injection of gas into fluid flow to propellers, or around propeller blades
Official title: {Injection of gas into fluid flow to propellers, or around propeller blades}
B63H2001/286 (Injection of gas into fluid flow to propellers, or around propeller blades) appears on 18 US grants and 19 published applications in this corpus.
Search patents in B63H- Granted patents
- 18
- Published applications
- 19
- Assignees
- 6
- Inventors
- 25
- Latest grant
- 29 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 3 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Hybrid propulsor for watercraft29 Nov 2022US 11,511,837 B2
- Prevention of cavitation1 Feb 2022US 11,235,846 B2NewSouth Innovations Pty Limited
- Pump jet with exhaust diverter29 May 2018US 9,981,728 B2Raider Outboards, Inc.
- Thruster assembly in a marine vessel26 Dec 2017US 9,849,938 B2Wartsila Netherlands B.V.
- Propeller incorporating a secondary propulsion system11 Jul 2017US 9,701,379 B2
Most cited
By later US patents
- Semi-enclosed surfacing propeller driver system including air induction18US 6,045,420 A2000
- Trim tabs and surface drive propeller bite control16US 6,823,812 B22004
- Marine propulsor8US 5,720,636 A1998
- Pump jet with redirected exhaust gas through stator vane for drag reduction8US 6,190,218 B1Outboard Marine Corporation · 2001
- Air induction system for tunnel mounted surface piercing propellers8US 6,193,573 B12001