F23N 2223/34
Signal processing: with feedforward processing
Official title: with feedforward processing
F23N2223/34 (Signal processing: with feedforward processing) appears on 10 US grants and 5 published applications in this corpus.
Search patents in F23N- Granted patents
- 10
- Published applications
- 5
- Assignees
- 8
- Inventors
- 30
- Latest grant
- 30 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Fluid heating system with combustion trim learning30 Jan 2024US 11,885,531 B2A. O. Smith Corporation
- Method and device for controlling furnace temperature of burning heating furnace5 Jul 2016US 9,383,745 B2Baoshan Iron & Steel Co., Ltd.
- Water heating system26 Jan 2016US 9,243,848 B2Aerco International, Inc.
- Method and arrangement for reducing the effect of disturbances on the combustion of a fan burner system21 Apr 1992US 5,106,294 AConel AG
- Combustion control22 May 1990US 4,927,350 AUnited Technologies Corporation
- A method for controlling a thermal combustion system22 May 2025US 2025/0164110 A1Evonik Operations GmbH
- Fluid heating system with combustion trim learning4 Apr 2024US 2024/0110728 A1A. O. Smith Corporation
- Fluid heating system with combustion trim learning3 Nov 2022US 2022/0349622 A1A. O. Smith Corporation
- Method and device for controlling furnace temperature of burning heating furnace11 Dec 2014US 2014/0364994 A1Baoshan Iron & Steel Co., Ltd.
- Water heating system2 Aug 2012US 2012/0192813 A1Aerco International, Inc.
Most cited
By later US patents
- Automatic combustion control apparatus and method23US 4,576,570 ARepublic Steel Corporation · 1986
- Method and arrangement for reducing the effect of disturbances on the combustion of a fan burner system15US 5,106,294 AConel AG · 1992
- Industrial process control apparatus and method12US 4,489,376 AWestinghouse Electric Corp. · 1984
- Combustion control12US 4,927,350 AUnited Technologies Corporation · 1990
- Industrial process control apparatus and method7US 4,489,375 AWestinghouse Electric Corp. · 1984