F23N 2223/10
Correlation
F23N2223/10 (Correlation) appears on 35 US grants and 36 published applications in this corpus.
Search patents in F23N- Granted patents
- 35
- Published applications
- 36
- Assignees
- 39
- Inventors
- 107
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 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 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 2 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 2 | 3 |
| 2019 | 1 | 3 |
| 2020 | 2 | 5 |
| 2021 | 2 | 1 |
| 2022 | 4 | 3 |
| 2023 | 0 | 2 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control and/or regulation of a combustion apparatus6 Jan 2026US 12,516,812 B2Siemens Aktiengesellschaft
- Anomaly detection device and display device12 Aug 2025US 12,385,635 B2IHI Corporation
- Correlation deriving method and correlation deriving device7 Jan 2025US 12,188,656 B2IHI Corporation
- Method for controlling a gas turbine by means of a future combustion dynamic13 Feb 2024US 11,898,501 B2Siemens Energy Global GmbH & Co. KG
- Method for controlling a combustion apparatus and control device13 Dec 2022US 11,525,417 B2Technische UniversitäT Berlin
- System and method for optimizing combustion in a boiler30 Apr 2026US 2026/0117968 A1General Electric Technology GmbH
- Method and device for estimating a combustion efficiency value during flaring21 Aug 2025US 2025/0264217 A1
- Combustion boiler control method, combustion boiler, and boiler computation system3 Apr 2025US 2025/0109850 A1Sumitomo SHI FW Energia Oy
- Method of operating a heat releasing reactor, a heat releasing reactor, and a computation system for a heat releasing reactor14 Nov 2024US 2024/0377059 A1Sumitomo SHI FW Energia Oy
- Furnace, system, and method for calibrating flame current in furnace24 Oct 2024US 2024/0353103 A1Carrier Corporation
Most cited
By later US patents
- Burner flame sensing system and method66US 5,077,550 AAllen-Bradley Company, Inc. · 1991
- Feedback control for modulating gas burner47US 7,241,135 B2Honeywell International Inc. · 2007
- Flame detector using a discrete fourier transform to process amplitude samples from a flame signal38US 5,073,769 AHoneywell Inc. · 1991
- Flame detector based on real-time high-order statistics35US 6,261,086 B1Forney Corporation · 2001
- Method and apparatus for detecting flame25US 4,983,853 ASaskatchewan Power Corporation · 1991