F01D 5/084
The fluid circulating at the periphery of a multistage rotor
Official title: {the fluid circulating at the periphery of a multistage rotor, e.g. of drum type}
F01D5/084 (The fluid circulating at the periphery of a multistage rotor) appears on 120 US grants and 94 published applications in this corpus.
Search patents in F01D- Granted patents
- 120
- Published applications
- 94
- Assignees
- 41
- Inventors
- 273
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 2 |
| 2002 | 8 | 4 |
| 2003 | 5 | 3 |
| 2004 | 2 | 4 |
| 2005 | 0 | 4 |
| 2006 | 6 | 0 |
| 2007 | 0 | 3 |
| 2008 | 3 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 3 |
| 2011 | 1 | 5 |
| 2012 | 2 | 6 |
| 2013 | 5 | 6 |
| 2014 | 2 | 3 |
| 2015 | 5 | 3 |
| 2016 | 5 | 15 |
| 2017 | 4 | 7 |
| 2018 | 8 | 2 |
| 2019 | 8 | 6 |
| 2020 | 9 | 3 |
| 2021 | 6 | 3 |
| 2022 | 6 | 3 |
| 2023 | 3 | 2 |
| 2024 | 1 | 2 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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- Gas turbine engine with bypass tobi cooling/purge flow and method10 Oct 2024US 2024/0337187 A1Raytheon Technologies Corporation
Most cited
By later US patents
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- Hydrogen fueled power plant39US 5,775,091 AWestinghouse Electric Corp. · 1998
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- Gas turbine engine with air and steam cooled turbine35US 5,758,487 AROLLS-ROYCE plc · 1998