F23N 2241/20
Gas turbines
F23N2241/20 (Gas turbines) appears on 372 US grants and 407 published applications in this corpus.
Search patents in F23N- Granted patents
- 372
- Published applications
- 407
- Assignees
- 115
- Inventors
- 880
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 6 | 5 |
| 2003 | 7 | 8 |
| 2004 | 12 | 16 |
| 2005 | 7 | 17 |
| 2006 | 17 | 21 |
| 2007 | 13 | 16 |
| 2008 | 11 | 13 |
| 2009 | 12 | 28 |
| 2010 | 12 | 37 |
| 2011 | 18 | 21 |
| 2012 | 16 | 24 |
| 2013 | 26 | 28 |
| 2014 | 25 | 17 |
| 2015 | 18 | 33 |
| 2016 | 16 | 17 |
| 2017 | 21 | 15 |
| 2018 | 23 | 18 |
| 2019 | 15 | 14 |
| 2020 | 4 | 17 |
| 2021 | 23 | 11 |
| 2022 | 12 | 5 |
| 2023 | 9 | 8 |
| 2024 | 12 | 7 |
| 2025 | 5 | 9 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for operation of a flexible fuel combustor25 Aug 2026US 12,716,589 B28 Rivers Capital, LLC
- Method for operating gas turbine equipment, control device and control program for executing said operating method26 May 2026US 12,637,985 B2Mitsubishi Heavy Industries, Ltd.
- Detection apparatus and combustion system5 May 2026US 12,618,560 B2Yokogawa Electric Corporation
- Method for controlling a combustion device17 Feb 2026US 12,553,606 B2Siemens Energy Global GmbH & Co. KG
- System and method for fuel injection in turbine section of gas turbine engine6 Jan 2026US 12,516,630 B1GE Vernova Infrastructure Technology LLC
- Monitoring system and monitoring method13 Aug 2026US 2026/0235474 A1Yokogawa Electric Corporation
- Turbine engine having an optical sensor12 Mar 2026US 2026/0071754 A1General Electric Company
- System and Method for Performing Flame and Flow Field Diagnostics in a Combustor of a Gas Turbine Engine14 Aug 2025US 2025/0257871 A1Rtx Corporation
- Combustion system7 Aug 2025US 2025/0251128 A1IHI Corporation
- Method for operating gas turbine equipment, control device and control program for executing said operating method3 Jul 2025US 2025/0215835 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Recuperated gas turbine engine system and method employing catalytic combustion170US 7,007,487 B2MES International, Inc. · 2006
- Method and system for controlling fuel supply in a combustion turbine engine113US 7,162,875 B2ROLLS-ROYCE plc · 2007
- Real-time combustion controls and diagnostics sensors (CCADS)106US 6,887,069 B1The United States of America as represented by the United States Department of Energy · 2005
- Method and system for incorporating an emission sensor into a gas turbine controller100US 7,032,388 B2General Electric Company · 2006
- Systems for low emission gas turbine energy generation100US 7,513,100 B2General Electric Company · 2009