F01D 5/186
Film cooling
Official title: {Film cooling (F01D5/187 takes precedence)}
F01D5/186 (Film cooling) appears on 1,623 US grants and 1,622 published applications in this corpus.
Search patents in F01D- Granted patents
- 1,623
- Published applications
- 1,622
- Assignees
- 139
- Inventors
- 2,071
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 17 | 0 |
| 2001 | 42 | 6 |
| 2002 | 19 | 22 |
| 2003 | 34 | 20 |
| 2004 | 12 | 19 |
| 2005 | 22 | 25 |
| 2006 | 19 | 32 |
| 2007 | 20 | 30 |
| 2008 | 17 | 38 |
| 2009 | 29 | 31 |
| 2010 | 36 | 51 |
| 2011 | 56 | 35 |
| 2012 | 50 | 45 |
| 2013 | 39 | 93 |
| 2014 | 57 | 99 |
| 2015 | 66 | 101 |
| 2016 | 69 | 169 |
| 2017 | 76 | 128 |
| 2018 | 104 | 138 |
| 2019 | 148 | 131 |
| 2020 | 168 | 118 |
| 2021 | 117 | 69 |
| 2022 | 98 | 43 |
| 2023 | 62 | 51 |
| 2024 | 59 | 46 |
| 2025 | 47 | 38 |
| 2026 | 30 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Turbine engine with a blade assembly having a set of cooling conduits6 Oct 2026US 12,753,696 B2General Electric Company
- Forming aperture(s) in component using scaled CT scan data29 Sep 2026US 12,746,627 B2Rtx Corporation
- Turbine engine with a blade assembly having cooling holes29 Sep 2026US 12,747,666 B2General Electric Company
- Method of restoring alloy depletion in an airfoil around cooling holes22 Sep 2026US 12,742,391 B2Rtx Corporation
- Stator blade and gas turbine provided with same22 Sep 2026US 12,742,394 B2Mitsubishi Heavy Industries, Ltd.
- Turbine engine component with a cooling aperture8 Oct 2026US 2026/0309034 A1
- Turbine engine having an airfoil with a set of cooling holes8 Oct 2026US 2026/0309035 A1
- Turbine engine component with cooling aperture1 Oct 2026US 2026/0298098 A1
- Turbine engine component with a cooling aperture1 Oct 2026US 2026/0298099 A1
- Gas turbine engines with blade assemblies having cooling holes3 Sep 2026US 2026/0258731 A1General Electric Company
Most cited
By later US patents
- Film cooling hole for turbine airfoil313US 7,997,868 B1Florida Turbine Technologies, Inc. · 2011
- Coolable airfoil for a gas turbine engine160US 6,099,251 AUnited Technologies Corporation · 2000
- Turbomachinery airfoil with optimized heat transfer154US 5,931,638 AUnited Technologies Corporation · 1999
- Method for improving the cooling effectiveness of a gaseous coolant stream, and related articles of manufacture153US 6,234,755 B1General Electric Company · 2001
- Cooled airfoils for a gas turbine engine152US 5,702,232 AUnited Technologies Corporation · 1997