F04D 27/0276
By influencing fluid temperature
Official title: {by influencing fluid temperature}
F04D27/0276 (By influencing fluid temperature) appears on 25 US grants and 27 published applications in this corpus.
Search patents in F04D- Granted patents
- 25
- Published applications
- 27
- Assignees
- 25
- Inventors
- 61
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 8 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 4 | 0 |
| 2021 | 1 | 4 |
| 2022 | 3 | 3 |
| 2023 | 3 | 1 |
| 2024 | 3 | 2 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Vacuum pump, vacuum pump controller, and remote controller23 May 2024US 2024/0167484 A1Edwards Japan Limited
- Vacuum pump and controller18 May 2023US 2023/0151826 A1Edwards Japan Limited
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Most cited
By later US patents
- Method for increasing the efficiency of gas turbine generator systems using low BTU gaseous fuels14US 4,677,829 AWestinghouse Electric Corp. · 1987
- Surge prevention for compressor inlet air fogging10US 7,028,485 B1Mee Industries, Inc. · 2006
- Centrifugal compressor having a casing with an adjustable clearance and connections for a variable flow rate cooling medium, impeller clearance control apparatus for centrifugal compressor, and impeller clearance control method for centrifugal compressor6US 10,724,546 B2Daikin Applied Americas Inc. · 2020
- Centrifugal air compressor4US 7,963,748 B2Jtekt Corporation · 2011
- Compressor sensor mount3US 11,841,031 B2Honeywell International Inc. · 2023