F23N 2223/36
Pid signal processing
Official title: PID signal processing
F23N2223/36 (Pid signal processing) appears on 34 US grants and 34 published applications in this corpus.
Search patents in F23N- Granted patents
- 34
- Published applications
- 34
- Assignees
- 40
- Inventors
- 103
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 0 | 2 |
| 2008 | 1 | 4 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 3 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 3 | 3 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid heating system with combustion trim learning14 Jul 2026US 12,680,727 B2A. O. Smith Corporation
- Control and/or regulation of a combustion apparatus6 Jan 2026US 12,516,812 B2Siemens Aktiengesellschaft
- Flame analytics system11 Nov 2025US 12,467,692 B2Honeywell International Inc.
- Method and device for regulating a process within a system, in particular a combustion process in a power station9 Jul 2024US 12,031,717 B2Aixprocess GmbH
- Flame analytics system13 Feb 2024US 11,898,800 B2Honeywell International Inc.
- Exhaust gas composition characterization in combustion systems16 Oct 2025US 2025/0321003 A1Clean Connect AI, Inc.
- Method for Controlling a Burner and Burner Arrangement having a Burner30 Jan 2025US 2025/0035310 A1Truma Gerätetechnik GmbH & Co. KG
- Electronic pressure regulator with enhanced turndown ratio19 Sep 2024US 2024/0310043 A1Asco, L. P.
- Flame analytics system18 Apr 2024US 2024/0125554 A1Honeywell International Inc.
- Fluid heating system with combustion trim learning4 Apr 2024US 2024/0110728 A1A. O. Smith Corporation
Most cited
By later US patents
- Frequency modulated burner system54US 4,583,936 AGas Research Institute · 1986
- Automatic firing rate control mode means for a boiler28US 4,716,858 AHoneywell Inc. · 1988
- Preemptive constraint control25US 5,091,844 A1992
- Apparatus and method for real time boiling point detection and control25US 5,947,370 AArthur D. Little, Inc. · 1999
- Fuel combustion control system18US 4,545,009 AKurashiki Boseki Kabushiki Kaisha · 1985