F23N 3/002
Regulating air supply or draught: using electronic means
Official title: {using electronic means (F23N3/02 - F23N3/08 take precedence)}
F23N3/002 (Regulating air supply or draught: using electronic means) appears on 98 US grants and 159 published applications in this corpus.
Search patents in F23N- Granted patents
- 98
- Published applications
- 159
- Assignees
- 116
- Inventors
- 424
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 6 |
| 2007 | 3 | 5 |
| 2008 | 1 | 6 |
| 2009 | 1 | 6 |
| 2010 | 4 | 6 |
| 2011 | 4 | 9 |
| 2012 | 1 | 7 |
| 2013 | 2 | 11 |
| 2014 | 6 | 13 |
| 2015 | 4 | 4 |
| 2016 | 5 | 9 |
| 2017 | 9 | 9 |
| 2018 | 6 | 4 |
| 2019 | 7 | 4 |
| 2020 | 4 | 6 |
| 2021 | 3 | 8 |
| 2022 | 7 | 14 |
| 2023 | 6 | 10 |
| 2024 | 6 | 11 |
| 2025 | 7 | 2 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for regulating a flame length in a partial oxidation reactor11 Aug 2026US 12,704,258 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Real-time flare optimization using an edge device12 May 2026US 12,624,834 B2Schlumberger Technology Corporation
- Combustion apparatus with mass flow sensor7 Apr 2026US 12,595,773 B2Siemens Aktiengesellschaft
- Closed-loop control of a combustion apparatus3 Mar 2026US 12,565,995 B2Siemens Aktiengesellschaft
- Method and device for controlling the combustion in furnace systems17 Feb 2026US 12,553,607 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Combustion system capable of operating with a recycling of combustion fumes30 Jul 2026US 2026/0218900 A1Carbodown
- Method for starting the combustion operation of a fuel-powered vehicle heater25 Jun 2026US 2026/0175646 A1Eberspächer Climate Control Systems GmbH & Co. KG
- System and method for optimizing combustion in a boiler30 Apr 2026US 2026/0117968 A1General Electric Technology GmbH
- Combustion heat source device22 Jan 2026US 2026/0022835 A1Rinnai Corporation
- Lowering emissions that result from fuel combustion in boilers15 Jan 2026US 2026/0016163 A1
Most cited
By later US patents
- Method of and power plant for generating power by oxyfuel combustion104US 7,874,140 B2Foster Wheeler North America Corp. · 2011
- Method and device for influencing combustion processes41US 7,845,937 B2Siemens Aktiengesellschaft · 2010
- Pressure controller for a mechanical draft system27US 7,275,533 B2Exhausto, Inc. · 2007
- Method and apparatus for regulating flue draft23US 4,406,396 A1983
- Method and controller for determining carbon dioxide emissions from a recirculating air heater18US 7,104,460 B2Maxitrol Company · 2006