F23N 2900/05181
Controlling air to fuel ratio by using a single differential pressure detector
F23N2900/05181 (Controlling air to fuel ratio by using a single differential pressure detector) appears on 21 US grants and 25 published applications in this corpus.
Search patents in F23N- Granted patents
- 21
- Published applications
- 25
- Assignees
- 15
- Inventors
- 70
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 4 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 1 |
| 2016 | 2 | 3 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 5 | 2 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 3 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electronic control device and flow rate measurement system17 Mar 2026US 12,578,091 B2Hitachi Astemo, Ltd.
- Method for the failsafe and lean ignition of a gas-air mixture on a gas burner13 Jan 2026US 12,523,375 B2ebm-papst Landshut GmbH
- Gas burner for cooking appliances21 Jan 2025US 12,203,653 B2Tekelek Australia Pty Ltd
- Gas mixing device and gas water heating device7 Nov 2023US 11,808,453 B2A. O. Smith Corporation
- Burner control system23 Aug 2022US 11,421,875 B2Honeywell International Inc.
- Device for the delivery of a combustible gaseous mixture and procedure1 May 2025US 2025/0137639 A1Sit S.P.A.
- Device for the delivery of a combustible gaseous mixture and procedure27 Feb 2025US 2025/0067432 A1Sit S.P.A.
- Method for model-predictive control of a fuel-air mixture of a system, and an associated system12 Dec 2024US 2024/0410580 A1ebm-papst Landshut GmbH
- Electronic Control Device and Flow Rate Measurement System21 Dec 2023US 2023/0408087 A1Hitachi Astemo, Ltd.
- Gas Control Valve For Electronic Pressure Control On A Gas Boiler12 Oct 2023US 2023/0324044 A1ebm-papst Landshut GmbH
Most cited
By later US patents
- Apparatus for modulating the flow of air and fuel to a gas burner90US 5,520,533 AHoneywell Inc. · 1996
- Regulating device for gas burners42US 6,579,087 B1Honeywell International Inc. · 2003
- Apparatus and method for mixing gases41US 5,329,955 ASelas Corporation of America · 1994
- Gas burner regulating system39US 6,561,791 B1Honeywell International Inc. · 2003
- System for active regulation of the air/gas ratio of a burner including a differential pressure measuring system36US 6,533,574 B1A Theobald SA · 2003