F23N 2223/14
Differentiation
F23N2223/14 (Differentiation) appears on 14 US grants and 11 published applications in this corpus.
Search patents in F23N- Granted patents
- 14
- Published applications
- 11
- Assignees
- 14
- Inventors
- 54
- Latest grant
- 5 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flame sensing for oil burner5 Dec 2023US 11,835,233 B2R. W. Beckett Corporation
- Regulating turbulent flows16 Nov 2021US 11,175,039 B2Siemens Aktiengesellschaft
- Method and device for controlling furnace temperature of burning heating furnace5 Jul 2016US 9,383,745 B2Baoshan Iron & Steel Co., Ltd.
- Method and device for regulating the operating line of a gas turbine combustion chamber21 Jul 2015US 9,086,219 B2Siemens Aktiengesellschaft
- Gas cooker control system25 Sep 2012US 8,272,376 B2Shenzhen H & T Intelligent Control Co., Ltd.
- Method for detecting the presence of flame in a premixed hydrogen burner1 Jan 2026US 2026/0002670 A1Ariston S.P.A.
- Flame sensing for oil burner24 Nov 2022US 2022/0373179 A1R. W. Beckett Corporation
- Regulating Turbulent Flows5 Apr 2018US 2018/0094809 A1Siemens Aktiengesellschaft
- Method and device for controlling furnace temperature of burning heating furnace11 Dec 2014US 2014/0364994 A1Baoshan Iron & Steel Co., Ltd.
- Heat source machine8 Dec 2011US 2011/0296838 A1Rinnai Corporation
Most cited
By later US patents
- Fuel-fired modulating furnace calibration apparatus and methods48US 5,865,611 ARheem Manufacturing Company · 1999
- Regulating turbulent flows33US 11,175,039 B2Siemens Aktiengesellschaft · 2021
- Gas oven control28US 6,216,683 B1General Electric Company · 2001
- Vehicle heating appliance with overheating checking device18US 5,788,148 AJ. Eberspächer GmbH & Co. KG · 1998
- Gas oven control11US 6,030,205 AGeneral Electric Company · 2000