F05B 2220/302
In gas turbines
Official title: in gas turbines
F05B2220/302 (In gas turbines) appears on 91 US grants and 74 published applications in this corpus.
Search patents in F05B- Granted patents
- 91
- Published applications
- 74
- Assignees
- 42
- Inventors
- 222
- Latest grant
- 30 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 0 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 4 | 13 |
| 2017 | 3 | 22 |
| 2018 | 10 | 14 |
| 2019 | 15 | 5 |
| 2020 | 9 | 5 |
| 2021 | 6 | 3 |
| 2022 | 4 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Two-stage combustor for gas turbine engine30 Apr 2024US 11,971,173 B2Pratt & Whitney Canada Corp.
- Airfoil cooling structure, airfoil having airfoil cooling structure, and turbine blade/vane element including airfoil23 Apr 2024US 11,965,428 B1Doosan Enerbility Co., Ltd.
- Mechanical attachment scheme for isogrid ducts29 Nov 2022US 11,512,610 B2Raytheon Technologies Corporation
- System and method for operating a compressor assembly19 Jul 2022US 11,391,288 B2General Electric Company
- Gas turbine7 Jun 2022US 11,353,214 B2Ansaldo Energia Switzerland AG
- Airfoil cooling structure, airfoil having airfoil cooling structure, and turbine blade/vane element including airfoil2 May 2024US 2024/0141793 A1Doosan Enerbility Co., Ltd.
- System and method for operating a compressor assembly10 Mar 2022US 2022/0074420 A1General Electric Company
- Two-stage combustor for gas turbine engine11 Nov 2021US 2021/0348764 A1Pratt & Whitney Canada Corp.
- Mechanical attachment scheme for isogrid ducts13 May 2021US 2021/0140345 A1United Technologies Corporation
- Systems and Methods for Colocation of High Performance Computing Operations and Hydrocarbon Production Facilties14 Jan 2021US 2021/0010385 A1BP Corporation North America Inc.
Most cited
By later US patents
- Method and apparatus for forming diffused cooling holes in an airfoil96US 4,197,443 AGeneral Electric Company · 1980
- Multiple passage cooling circuit method and device for gas turbine engine fuel nozzle89US 5,423,178 AParker-Hannifin Corporation · 1995
- Multiple passage cooling circuit method and device for gas turbine engine fuel nozzle85US 5,570,580 AParker-Hannifin Corporation · 1996
- Method and apparatus for continuous prediction, monitoring and control of compressor health via detection of precursors to rotating stall and surge59US 6,532,433 B2General Electric Company · 2003
- Interactive laser welding at elevated temperatures of superalloy articles54US 5,554,837 AChromalloy Gas Turbine Corporation · 1996