F04D 29/164
Of an axial flow wheel
Official title: {of an axial flow wheel}
F04D29/164 (Of an axial flow wheel) appears on 395 US grants and 413 published applications in this corpus.
Search patents in F04D- Granted patents
- 395
- Published applications
- 413
- Assignees
- 148
- Inventors
- 868
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 12 | 1 |
| 2002 | 6 | 11 |
| 2003 | 10 | 9 |
| 2004 | 6 | 8 |
| 2005 | 10 | 10 |
| 2006 | 8 | 8 |
| 2007 | 4 | 10 |
| 2008 | 2 | 12 |
| 2009 | 6 | 14 |
| 2010 | 8 | 25 |
| 2011 | 2 | 20 |
| 2012 | 13 | 14 |
| 2013 | 18 | 21 |
| 2014 | 17 | 15 |
| 2015 | 17 | 23 |
| 2016 | 12 | 48 |
| 2017 | 17 | 31 |
| 2018 | 31 | 36 |
| 2019 | 47 | 16 |
| 2020 | 31 | 27 |
| 2021 | 24 | 11 |
| 2022 | 21 | 9 |
| 2023 | 8 | 11 |
| 2024 | 11 | 6 |
| 2025 | 8 | 5 |
| 2026 | 2 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compressor cooling system for a turbofan engine19 May 2026US 12,631,125 B1Pratt & Whitney Canada Corp.
- Counter-rotating fan assembly17 Mar 2026US 12,577,955 B2Robert Bosch GmbH
- Axial turbomachine compressor with controlled recirculation between the inner shroud and the rotor23 Dec 2025US 12,504,020 B2Safran Aero Boosters SA
- Fan having a step diffuser2 Dec 2025US 12,486,857 B2Ziehl-Abegg SE
- Cooling fan and cooling fan module11 Nov 2025US 12,467,474 B2Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Wuerzburg
- Blower device and method for manufacturing same30 Jul 2026US 2026/0218727 A1Nidec Corporation
- Fan device23 Jul 2026US 2026/0210377 A1Cooler Master Co., Ltd.
- Vehicle blower unit25 Jun 2026US 2026/0177068 A1Hanon Systems
- Struts for cooling fan module11 Jun 2026US 2026/0160266 A1Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
- Fan11 Jun 2026US 2026/0160274 A1Mahle International GmbH
Most cited
By later US patents
- Fan shroud structure112US 4,061,188 AInternational Harvester Company · 1977
- Dynamically sealing ring fan shroud assembly105US 6,599,088 B2BorgWarner Inc. · 2003
- Housing with recirculation control for use with banded axial-flow fans95US 5,489,186 AAirflow Research and Manufacturing Corporation · 1996
- Active clearance control system for a turbomachine92US 4,329,114 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1982
- Cooling system for a gas turbine engine compressor89US 5,297,386 ASociete Nationale d'Etude et de Construction de Moteurs D'Aviation "S.N.E.C.M A." · 1994