B63H 1/20
Hubs
Official title: Hubs; Blade connections
B63H1/20 (Hubs) appears on 216 US grants and 124 published applications in this corpus.
Search patents in B63H- Granted patents
- 216
- Published applications
- 124
- Assignees
- 89
- Inventors
- 293
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 0 |
| 2002 | 4 | 1 |
| 2003 | 4 | 4 |
| 2004 | 4 | 0 |
| 2005 | 0 | 5 |
| 2006 | 7 | 3 |
| 2007 | 2 | 1 |
| 2008 | 2 | 4 |
| 2009 | 2 | 1 |
| 2010 | 3 | 3 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 4 |
| 2015 | 2 | 5 |
| 2016 | 3 | 2 |
| 2017 | 5 | 7 |
| 2018 | 3 | 14 |
| 2019 | 12 | 8 |
| 2020 | 16 | 12 |
| 2021 | 11 | 8 |
| 2022 | 10 | 10 |
| 2023 | 11 | 11 |
| 2024 | 14 | 9 |
| 2025 | 12 | 5 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Beaching propeller11 Aug 2026US 12,703,468 B2Raider Outboards, Inc.
- Propeller7 Jul 2026US 12,674,394 B2Conic Propulsion, LLC
- Hydrofoil apparatuses, systems, and methods for marine vessels30 Jun 2026US 12,668,328 B1Brunswick Corporation
- Propeller arrangement in a cathodic protection system26 May 2026US 12,637,774 B2AB Volvo Penta
- Propeller with folding blades and propulsion system12 May 2026US 12,623,761 B2Velettrica S.R.L.
- Propeller with folding blades and propulsion system10 Sep 2026US 2026/0264822 A1Velettrica S.R.L.
- Propeller assembly for a boat28 May 2026US 2026/0145770 A1MasterCraft Boat Company, LLC
- Marine controllable-pitch propeller, propeller system for a boat and boat including the same30 Apr 2026US 2026/0116520 A1AB Volvo Penta
- Propeller12 Mar 2026US 2026/0071546 A1Conic Propulsion, LLC
- Thrust rings, propellers and methods12 Feb 2026US 2026/0043332 A1Sharrow Engineering LLC
Most cited
By later US patents
- Marine propeller with breakaway hub297US 5,201,679 AAttwood Corporation · 1993
- Propeller hub assembly having overlap zone with optional removable exhaust ring and sized ventilation plugs140US 7,056,091 B22006
- Adjustable diameter screw propeller122US 4,801,243 ABird-Johnson Company · 1989
- Foldable propeller assembly122US 5,183,384 A1993
- Folding propeller112US 6,152,693 AGori marine as · 2000