F02C 7/18
The medium being gaseous
Official title: the medium being gaseous, e.g. air {(F02C7/125 takes precedence)}
F02C7/18 (The medium being gaseous) appears on 2,176 US grants and 2,373 published applications in this corpus.
Search patents in F02C- Granted patents
- 2,176
- Published applications
- 2,373
- Assignees
- 225
- Inventors
- 3,560
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 8 | 0 |
| 1994 | 14 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 12 | 0 |
| 1998 | 14 | 0 |
| 1999 | 10 | 0 |
| 2000 | 14 | 0 |
| 2001 | 21 | 7 |
| 2002 | 29 | 20 |
| 2003 | 27 | 19 |
| 2004 | 18 | 25 |
| 2005 | 12 | 18 |
| 2006 | 21 | 13 |
| 2007 | 10 | 15 |
| 2008 | 8 | 22 |
| 2009 | 7 | 29 |
| 2010 | 16 | 40 |
| 2011 | 22 | 37 |
| 2012 | 32 | 43 |
| 2013 | 27 | 56 |
| 2014 | 34 | 73 |
| 2015 | 47 | 137 |
| 2016 | 48 | 255 |
| 2017 | 93 | 247 |
| 2018 | 159 | 205 |
| 2019 | 207 | 202 |
| 2020 | 249 | 189 |
| 2021 | 201 | 125 |
| 2022 | 182 | 136 |
| 2023 | 154 | 106 |
| 2024 | 132 | 110 |
| 2025 | 129 | 155 |
| 2026 | 100 | 89 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Turbine engine with a blade assembly having a set of cooling conduits6 Oct 2026US 12,753,696 B2General Electric Company
- Dilute combustion of hydrogen in retrofitted gas turbine engines6 Oct 2026US 12,753,722 B2University of Florida Research Foundation, Inc.
- Inducer assembly for a turbine engine29 Sep 2026US 12,746,491 B2General Electric Company
- Cooling of components29 Sep 2026US 12,747,697 B1ROLLS-ROYCE plc
- Turbine engine having a compression section22 Sep 2026US 12,742,419 B1General Electric Company
- Turbine engine component with a cooling aperture8 Oct 2026US 2026/0309042 A1General Electric Company
- Gas turbine engine comprising an ejector8 Oct 2026US 2026/0309081 A1ROLLS-ROYCE plc
- Gas turbine engine having cooling systems8 Oct 2026US 2026/0309082 A1General Electric Company
- Gas Turbine Engine8 Oct 2026US 2026/0309097 A1GE Avio S. r. l.
- Active thermal management of fuel systems and fuel nozzles for more electric engines1 Oct 2026US 2026/0298144 A1Rtx Corporation
Most cited
By later US patents
- Intercooled turbine blade cooling air feed system324US 5,317,877 AGeneral Electric Company · 1994
- Extracted, cooled, compressed/intercooled, cooling/ combustion air for a gas turbine engine211US 6,050,080 AGeneral Electric Company · 2000
- Integrated thermal management and coolant system for an aircraft196US 6,415,595 B1Hamilton Sundstrand Corporation · 2002
- Cooling air cooler for a gas turbofan engine192US 4,254,618 AGeneral Electric Company · 1981
- Method and apparatus for cooling high temperature components in a gas turbine167US 6,487,863 B1Siemens Westinghouse Power Corporation · 2002