B63H 2001/145
Comprising blades of two or more different types
Official title: {comprising blades of two or more different types, e.g. different lengths}
B63H2001/145 (Comprising blades of two or more different types) appears on 18 US grants and 14 published applications in this corpus.
Search patents in B63H- Granted patents
- 18
- Published applications
- 14
- Assignees
- 8
- Inventors
- 22
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 4 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 4 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotatable blade apparatus with individually adjustable blades10 Mar 2026US 12,571,370 B2Energyield LLC
- Marine drives and methods of making marine drives so as to minimize deleterious effects of cavitation19 Aug 2025US 12,391,353 B1Brunswick Corporation
- Propulsion device for exerting thrust to a fluid3 Jun 2025US 12,319,395 B1Submersed Technologies Pp2 AB
- Vessel propelling system and assembly3 Jun 2025US 12,319,396 B2Seamach Pty Ltd.
- Hybrid propulsor for watercraft29 Apr 2025US 12,286,203 B2
- Multi-row propeller (mrp) with co-rotating blades12 Feb 2026US 2026/0042523 A1
- A propulsion device for exerting thrust to a fluid22 May 2025US 2025/0162700 A1Submersed Technologies Pp2 AB
- Vessel propelling system and assembly30 May 2024US 2024/0174335 A1Seamach Pty Ltd.
- Rotatable Blade Apparatus With Individually Adjustable Blades21 Dec 2023US 2023/0407840 A1Energyield LLC
- Hybrid Propulsor for Watercraft9 Feb 2023US 2023/0040177 A1
Most cited
By later US patents
- Extendable and retractable propeller for watercraft109US 4,207,028 A1980
- Snow making apparatus and methods12US 4,901,920 ASnow Machines Incorporated · 1990
- Rotatable blade apparatus with individually adjustable blades9US 8,608,441 B2Energyield LLC · 2013
- Propeller for ship8US 4,514,146 AMitsui Engineering & Shipbuilding Co., Ltd. · 1985
- Marine drives and methods of making marine drives so as to minimize deleterious effects of cavitation3US 11,459,074 B1Brunswick Corporation · 2022