F23N 2900/05001
Measuring co content in flue gas
Official title: Measuring CO content in flue gas
F23N2900/05001 (Measuring co content in flue gas) appears on 41 US grants and 69 published applications in this corpus.
Search patents in F23N- Granted patents
- 41
- Published applications
- 69
- Assignees
- 46
- Inventors
- 170
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 5 |
| 2016 | 1 | 4 |
| 2017 | 1 | 1 |
| 2018 | 4 | 3 |
| 2019 | 3 | 5 |
| 2020 | 3 | 5 |
| 2021 | 1 | 5 |
| 2022 | 5 | 4 |
| 2023 | 4 | 6 |
| 2024 | 4 | 6 |
| 2025 | 7 | 7 |
| 2026 | 4 | 6 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- TDLAS architecture for widely spaced wavelength18 Nov 2025US 12,474,263 B2Mg Smart Ventures, LLC
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- Systems and Methods for Modulation Based on Carbon Monoxide Sensor Data21 May 2026US 2026/0139834 A1Rheem Manufacturing Company
- Method and Apparatus for Detecting a Threshold Deviation from Clean Combustion in a Residential Gas Heater Assembly26 Feb 2026US 2026/0055891 A1
Most cited
By later US patents
- Assured compliance mode of operating a combustion system17US 8,109,759 B2Fives North America Combustion, Inc. · 2012
- Automatic combustion system characterization5US 9,909,508 B2General Electric Company · 2018
- Multi-sensor probe for monitoring combustion in a conduit4US 10,088,157 B2General Electric Technology GmbH · 2018
- System for optimizing air balance and excess air for a combustion process4US 10,228,132 B22019
- Smart firing control in a rankine cycle power plant4US 9,121,607 B2Invensys Systems, Inc. · 2015