F23N 2225/26
Humidity
Official title: humidity
F23N2225/26 (Humidity) appears on 60 US grants and 51 published applications in this corpus.
Search patents in F23N- Granted patents
- 60
- Published applications
- 51
- Assignees
- 49
- Inventors
- 142
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 4 | 4 |
| 2008 | 0 | 3 |
| 2009 | 2 | 4 |
| 2010 | 1 | 0 |
| 2011 | 4 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 1 | 2 |
| 2017 | 1 | 4 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 3 | 2 |
| 2021 | 2 | 4 |
| 2022 | 3 | 1 |
| 2023 | 0 | 1 |
| 2024 | 4 | 4 |
| 2025 | 0 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for operating a gas burner and gas burner for performing the method28 Apr 2026US 12,613,033 B2Viessmann Climate Solutions SE
- Systems and processes of eliminating start-up flaring in a gas plant17 Mar 2026US 12,578,740 B2Saudi Arabian Oil Company
- Burner including an electrical permittivity or electrical capacitance flame sensor30 Jul 2024US 12,050,151 B2Clearsign Technologies Corporation
- 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
- Variable composition gas mixture sensor11 Jun 2024US 12,007,301 B2Clearsign Technologies Corporation
- Method for monitoring the state of heat exchanger pipelines of a waste heat steam generator, and waste heat steam generator20 Nov 2025US 2025/0354503 A1Siemens Energy Global GmbH & Co. KG
- Systems and processes of eliminating start-up flaring in a gas plant6 Feb 2025US 2025/0044815 A1Saudi Arabian Oil Company
- Burner including an electrical permittivity or electrical capacitance flame sensor7 Nov 2024US 2024/0369452 A1Clearsign Technologies Corporation
- Burner comprising a control unit and an ignition and ionization electrode and method of monitoring and igniting the flame of a burner22 Aug 2024US 2024/0280263 A1Truma Geraetetechnik GmbH & Co. KG
- Combustion system using, as an oxidizer, a mixture of molecular oxygen and a dehumidified gas obtained from combustion fumes13 Jun 2024US 2024/0191872 A1Carbodown
Most cited
By later US patents
- System for determining gas turbine firing and combustion reference temperature having correction for water content in combustion air97US 6,805,483 B2General Electric Company · 2004
- Flame ionization control apparatus and method78US 5,971,745 AGas Research Institute · 1999
- Method and apparatus for optimizing fuel-to-air ratio in the combustible gas supply of a radiant burner74US 5,037,291 ACarrier Corporation · 1991
- Method and apparatus for controlling fuel-to-air ratio of the combustible gas supply of a radiant burner64US 5,112,217 ACarrier Corporation · 1992
- Flame ionization control of a partially premixed gas burner with regulated secondary air47US 4,588,372 AHoneywell Inc. · 1986