F04D 29/34
Blade mountings
Official title: Blade mountings {(for axial flow compressors F04D29/322)}
F04D29/34 (Blade mountings) appears on 773 US grants and 707 published applications in this corpus.
Search patents in F04D- Granted patents
- 773
- Published applications
- 707
- Assignees
- 354
- Inventors
- 1,291
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 10 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 10 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 22 | 0 |
| 2001 | 15 | 2 |
| 2002 | 18 | 11 |
| 2003 | 14 | 11 |
| 2004 | 20 | 27 |
| 2005 | 18 | 15 |
| 2006 | 9 | 15 |
| 2007 | 9 | 9 |
| 2008 | 7 | 25 |
| 2009 | 5 | 25 |
| 2010 | 11 | 20 |
| 2011 | 20 | 20 |
| 2012 | 21 | 14 |
| 2013 | 11 | 18 |
| 2014 | 15 | 20 |
| 2015 | 15 | 23 |
| 2016 | 17 | 30 |
| 2017 | 19 | 55 |
| 2018 | 26 | 45 |
| 2019 | 46 | 51 |
| 2020 | 53 | 38 |
| 2021 | 41 | 43 |
| 2022 | 60 | 40 |
| 2023 | 49 | 43 |
| 2024 | 47 | 37 |
| 2025 | 41 | 21 |
| 2026 | 21 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fan blade retention system and related methods8 Sep 2026US 12,729,693 B2Delta T, LLC
- Mounting structure for fan blade8 Sep 2026US 12,729,694 B1
- Quick-assembly and anti-falling structure for fan blades of a ceiling fan4 Aug 2026US 12,698,784 B2
- Rotatable trunnions for variable pitch blades21 Jul 2026US 12,687,116 B1General Electric Company
- Fan blade quick installation structure and a fan using the same14 Jul 2026US 12,680,551 B2Zhongshan Shengyi Electric Appliance Co., Ltd.
- Evaporator for ambient water bodies, and related system and method8 Oct 2026US 2026/0306964 A1Resource West, Inc.
- Turbofan engine including a fan actuation system8 Oct 2026US 2026/0309162 A1General Electric Company
- Spring plunger ceiling fan blade installation system1 Oct 2026US 2026/0298259 A1Hkc-US, LLC
- Rotor assembly with interchangeable blades24 Sep 2026US 2026/0286972 A1Rescue South, Inc.
- Turbofan engine including a fan actuation system24 Sep 2026US 2026/0286973 A1General Electric Company
Most cited
By later US patents
- Fan with collapsible blades, redundant fan system, and related method271US 6,860,713 B2Nidec Corporation · 2005
- Collapsible fan and system and method incorporating same126US 6,972,956 B2Hewlett-Packard Development Company, L. P. · 2005
- Deployable folded propeller assembly for aerial projectiles115US 6,308,632 B12001
- Impeller and fan blade attachment assembly109US 6,059,531 A2000
- Variable pitch axial fan100US 3,932,054 AWestern Engineering & Mfg. Co. · 1976