F23M 2900/11041
Means for observing or monitoring flames using photoelectric devices
Official title: Means for observing or monitoring flames using photoelectric devices, e.g. phototransistors
F23M2900/11041 (Means for observing or monitoring flames using photoelectric devices) appears on 9 US grants and 9 published applications in this corpus.
Search patents in F23M- Granted patents
- 9
- Published applications
- 9
- Assignees
- 9
- Inventors
- 29
- Latest grant
- 9 Dec 2025
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| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
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| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 1 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year.
Recent patents
- Stove, control system, and method for controlling the same9 Dec 2025US 12,492,817 B2A.J. Wells & Sons Limited
- Multi-function sight port and method of installing a multi-function sight port18 Jul 2023US 11,703,223 B2OnPoint Technologies, LLC
- Semiconductor film and phototube light detector26 Apr 2022US 11,313,718 B2Carrier Corporation
- Method for characterizing the exhaust gas burn-off quality in combustion systems21 May 2013US 8,447,068 B2Forschungszentrum Karlsruhe GmbH
- Optical waveguide25 Sep 2012US 8,275,231 B2Siemens Aktiengesellschaft
- Stove, control system, and method for controlling the same8 Dec 2022US 2022/0390105 A1A.J. Wells & Sons Limited
- Multi-function sight port amd method of installing a multi-function sight port18 Mar 2021US 2021/0080105 A1c/o OnPoint Technologies, LLC
- Semiconductor film and phototube light detector25 Jun 2020US 2020/0200598 A1Carrier Corporation
- Method and device for controlling or monitoring firing systems and for monitoring buildings having gas burners9 Feb 2012US 2012/0031167 A1Siemens Aktiengesellschaft
- System and control method for detecting an abnormal burning situation using air pressure sensing and flame detection7 Oct 2010US 2010/0255434 A1Kyungdong Network Co., Ltd.
Most cited
By later US patents
- Method and combustor apparatus for sensing the level of a contaminant within a combustion flame94US 6,268,913 B1Siemens Westinghouse Power Corporation · 2001
- Adjustable mounting device for aligning optical sensor in gas turbine engine combustor9US 6,490,868 B1Siemens Westinghouse Power Corporation · 2002
- System and control method for detecting an abnormal burning situation using air pressure sensing and flame detection4US 8,109,758 B2Kyungdong Network Co., Ltd. · 2012
- System and control method for detecting an abnormal burning situation using air pressure sensing and flame detection3US 8,011,921 B2Kyungdong Network Co., Ltd. · 2011
- Method for characterizing the exhaust gas burn-off quality in combustion systems1US 8,447,068 B2Forschungszentrum Karlsruhe GmbH · 2013