F04D 25/045
The pump wheel carrying the fluid driving means
Official title: {the pump wheel carrying the fluid driving means, e.g. turbine blades}
F04D25/045 (The pump wheel carrying the fluid driving means) appears on 185 US grants and 237 published applications in this corpus.
Search patents in F04D- Granted patents
- 185
- Published applications
- 237
- Assignees
- 79
- Inventors
- 335
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 5 |
| 2007 | 0 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 8 |
| 2010 | 1 | 1 |
| 2011 | 5 | 3 |
| 2012 | 4 | 1 |
| 2013 | 1 | 9 |
| 2014 | 6 | 3 |
| 2015 | 2 | 16 |
| 2016 | 7 | 34 |
| 2017 | 10 | 49 |
| 2018 | 24 | 28 |
| 2019 | 27 | 19 |
| 2020 | 22 | 17 |
| 2021 | 16 | 12 |
| 2022 | 12 | 10 |
| 2023 | 13 | 6 |
| 2024 | 7 | 3 |
| 2025 | 3 | 3 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Low noise turbine for geared turbofan engine9 Dec 2025US 12,492,664 B2MTU Aero Engines AG
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- Magnetic levitation propeller type of a gas injector and a photoresist removing processing chamber with the same20 Aug 2026US 2026/0243265 A1VM Inc.
- Geared turbofan with overspeed protection2 Jul 2026US 2026/0185459 A1Rtx Corporation
- Low noise turbine for gas turbine engine5 Mar 2026US 2026/0063079 A1MTU Aero Engines AG
- Geared turbofan with overspeed protection13 Nov 2025US 2025/0347231 A1Rtx Corporation
Most cited
By later US patents
- Geared architecture for high speed and small volume fan drive turbine87US 8,747,055 B2United Technologies Corporation · 2014
- Wind turbines86US 4,648,801 AJames Howden & Company Limited · 1987
- Single rotor turbine engine75US 6,430,917 B1The Regents of the University of California · 2002
- Flexible support structure for a geared architecture gas turbine engine64US 10,590,802 B2United Technologies Corporation · 2020
- Flexible support structure for a geared architecture gas turbine engine55US 10,227,893 B2United Technologies Corporation · 2019