F04D 29/329
Details of the hub
Official title: {Details of the hub}
F04D29/329 (Details of the hub) appears on 526 US grants and 635 published applications in this corpus.
Search patents in F04D- Granted patents
- 526
- Published applications
- 635
- Assignees
- 261
- Inventors
- 1,163
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 9 | 6 |
| 2003 | 4 | 7 |
| 2004 | 5 | 14 |
| 2005 | 4 | 11 |
| 2006 | 9 | 19 |
| 2007 | 5 | 10 |
| 2008 | 6 | 16 |
| 2009 | 6 | 17 |
| 2010 | 8 | 15 |
| 2011 | 10 | 17 |
| 2012 | 17 | 27 |
| 2013 | 6 | 24 |
| 2014 | 13 | 26 |
| 2015 | 23 | 34 |
| 2016 | 22 | 33 |
| 2017 | 23 | 48 |
| 2018 | 32 | 50 |
| 2019 | 48 | 46 |
| 2020 | 49 | 32 |
| 2021 | 38 | 39 |
| 2022 | 52 | 34 |
| 2023 | 31 | 28 |
| 2024 | 38 | 24 |
| 2025 | 15 | 30 |
| 2026 | 16 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aircraft with an unducted fan propulsor6 Oct 2026US 12,752,923 B2General Electric Company
- Axial fan assembly including an intermediate shroud6 Oct 2026US 12,753,773 B2Regal Beloit America, Inc.
- Impeller22 Sep 2026US 12,742,457 B2Carrier Japan Corporation
- Fan blade retention system and related methods8 Sep 2026US 12,729,693 B2Delta T, LLC
- Hub for a cooling fan1 Sep 2026US 12,723,601 B2Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
- Rotor assembly with interchangeable blades24 Sep 2026US 2026/0286972 A1Rescue South, Inc.
- Fan module17 Sep 2026US 2026/0276003 A1Shenzhen Jisu Technology Co., Ltd
- Hub housing27 Aug 2026US 2026/0251153 A1Hanon Systems
- Axial flow fan20 Aug 2026US 2026/0243263 A1Usui Co., Ltd.
- Fan blade structure and fan device13 Aug 2026US 2026/0235130 A1Cooler Master Co., Ltd.
Most cited
By later US patents
- Immersed core flow inlet between rotor blade and stator vane for an unducted fan gas turbine70US 10,399,664 B2General Electric Company · 2019
- Fan with axial blades64US 6,382,915 B1Behr GmbH & Co. · 2002
- Fan assembly having an air directing member to cool a motor63US 5,944,497 ASiemens Canada Limited · 1999
- Twist-lock attachment system for a cooling fan and motor57US 5,871,335 ASiemens Electric Limited · 1999
- Impeller having blade(s) conforming to the golden section of a logarithmic curve53US 6,702,552 B12004