F04D 29/382
Flexible blades
Official title: {Flexible blades}
F04D29/382 (Flexible blades) appears on 71 US grants and 66 published applications in this corpus.
Search patents in F04D- Granted patents
- 71
- Published applications
- 66
- Assignees
- 44
- Inventors
- 122
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 0 | 2 |
| 2004 | 4 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 4 |
| 2007 | 1 | 2 |
| 2008 | 4 | 2 |
| 2009 | 0 | 4 |
| 2010 | 0 | 1 |
| 2011 | 3 | 1 |
| 2012 | 2 | 2 |
| 2013 | 3 | 5 |
| 2014 | 1 | 3 |
| 2015 | 2 | 1 |
| 2016 | 2 | 1 |
| 2017 | 3 | 2 |
| 2018 | 2 | 3 |
| 2019 | 5 | 4 |
| 2020 | 2 | 4 |
| 2021 | 1 | 5 |
| 2022 | 5 | 5 |
| 2023 | 2 | 4 |
| 2024 | 4 | 2 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intravascular fluid pump having a longitudinally elastically stretchable rotor7 Jul 2026US 12,674,466 B2Ecp Entwicklungsgesellschaft Mbh
- System and method for handling digital content governance in an organization11 Mar 2025US 12,247,577 B2Hyland UK Operations Limited
- Method and system for protecting a rotatable shaft of a motor from excessive bending moments28 Jan 2025US 12,208,879 B2AeroVironment, Inc.
- Drive unit having a cooling unit7 Jan 2025US 12,188,487 B2Innomotics GmbH
- Hiding fan and fan lamp23 Jul 2024US 12,044,248 B2Opple Lighting Co., Ltd.
- Method and System For Protecting a Rotatable Shaft of a Motor from Excessive Bending Moments11 Jun 2026US 2026/0159221 A1AeroVironment, Inc.
- System and method for handling digital content governance in an organization22 May 2025US 2025/0163930 A1Hyland UK Operations Limited
- Fluid pump having a radially compressible rotor26 Dec 2024US 2024/0426312 A1Ecp Entwicklungsgesellschaft Mbh
- System For Protecting a Rotatable Shaft of a Motor from Excessive Bending Moments18 Apr 2024US 2024/0124124 A1AeroVironment, Inc.
- System and method for handling digital content governance in an organization9 Nov 2023US 2023/0358250 A1Hyland
Most cited
By later US patents
- Expandable impeller pump391US 7,393,181 B2Datascope Investment Corp. · 2008
- Expandable impeller pump296US 7,927,068 B2The Penn State Research Foundation · 2011
- Fan with collapsible blades, redundant fan system, and related method271US 6,860,713 B2Nidec Corporation · 2005
- Article comprising an impeller246US 8,079,948 B2NuCardia, Inc. · 2011
- Expandable impeller pump197US 8,376,707 B2The Penn State Research Foundation · 2013