F01D 5/185
Liquid cooling
Official title: {Liquid cooling (F01D5/181 takes precedence)}
F01D5/185 (Liquid cooling) appears on 106 US grants and 52 published applications in this corpus.
Search patents in F01D- Granted patents
- 106
- Published applications
- 52
- Assignees
- 37
- Inventors
- 211
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 4 |
| 2015 | 1 | 5 |
| 2016 | 3 | 6 |
| 2017 | 3 | 4 |
| 2018 | 4 | 5 |
| 2019 | 5 | 8 |
| 2020 | 6 | 5 |
| 2021 | 9 | 2 |
| 2022 | 4 | 1 |
| 2023 | 2 | 3 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fan exit guide vane thermal management system for conventional gas turbine engines24 Feb 2026US 12,560,126 B2Rtx Corporation
- Gas turbine stationary blade and gas turbine17 Jun 2025US 12,331,653 B2Mitsubishi Heavy Industries, Ltd.
- Aero-engine turbine assembly18 Jun 2024US 12,012,864 B2Beihang University
- Turbine blade and method for machining same9 Jan 2024US 11,867,083 B2Siemens Energy Global GmbH & Co. KG
- Integral cooling system for turbine casing and guide vanes in aeroengine8 Aug 2023US 11,719,123 B1Beihang University
- Fan exit guide vane thermal management system for conventional gas turbine engines18 Dec 2025US 2025/0382921 A1Rtx Corporation
- Gas turbine stationary blade and gas turbine21 Dec 2023US 2023/0407752 A1Mitsubishi Heavy Industries, Ltd.
- Aero-engine turbine assembly5 Oct 2023US 2023/0313686 A1Beihang University
- Turbine blade and method for machining same13 Jul 2023US 2023/0220778 A1Siemens Energy Global GmbH & Co. KG
- Trailing edge tip cooling of blade of a gas turbine blade2 Jun 2022US 2022/0170374 A1Doosan Heavy Industries Construction Co., Ltd
Most cited
By later US patents
- Evaporatively cooled rotor for a gas turbine engine345US 5,857,836 AAerodyne Research, Inc. · 1999
- Compression intercooled gas turbine combined cycle136US 4,896,499 A1990
- Gas turbine engine operating method59US 5,341,636 A1994
- Steam-cooled blading with steam thermal barrier for reheat gas turbine combined with steam turbine57US 4,314,442 A1982
- Process for steam cooling a power turbine55US 4,571,935 A1986