F23N 2241/02
Space-heating
F23N2241/02 (Space-heating) appears on 84 US grants and 96 published applications in this corpus.
Search patents in F23N- Granted patents
- 84
- Published applications
- 96
- Assignees
- 54
- Inventors
- 191
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 5 |
| 2006 | 2 | 4 |
| 2007 | 1 | 3 |
| 2008 | 1 | 8 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 7 |
| 2012 | 2 | 2 |
| 2013 | 3 | 1 |
| 2014 | 5 | 1 |
| 2015 | 3 | 1 |
| 2016 | 1 | 3 |
| 2017 | 5 | 7 |
| 2018 | 2 | 3 |
| 2019 | 4 | 7 |
| 2020 | 7 | 7 |
| 2021 | 3 | 6 |
| 2022 | 3 | 7 |
| 2023 | 7 | 9 |
| 2024 | 5 | 6 |
| 2025 | 6 | 1 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for automated furnace inducer sensor output verification22 Sep 2026US 12,742,548 B2Rheem Manufacturing Company
- Quick heat algorithm for modulating heating equipment14 Jul 2026US 12,680,719 B2Johnson Controls Light Commercial IP GmbH
- Systems and methods for operating a furnace14 Apr 2026US 12,601,482 B2Johnson Controls Light Commercial IP GmbH
- Motor controller for draft inducer motor in a furnace and method of use3 Mar 2026US 12,565,996 B2Regal Beloit America, Inc.
- Stove, control system, and method for controlling the same9 Dec 2025US 12,492,817 B2A.J. Wells & Sons Limited
- Method and system for controlling operation of an inducer motor of a combustion system30 Apr 2026US 2026/0117973 A1Carrier Corporation
- Combustion heat source device22 Jan 2026US 2026/0022835 A1Rinnai Corporation
- Furnace31 Jul 2025US 2025/0244050 A1Dometic Sweden AB
- Method for controlling heating apparatus19 Dec 2024US 2024/0418410 A1Hephzibah Co., Ltd.
- Spark ignition module and methods7 Nov 2024US 2024/0369261 A1Copeland Comfort Control LP
Most cited
By later US patents
- Thermostat including a vacation mode in which electrical devices within and proximate the conditioned space are operated by the thermostat to provide an occupied appearance154US 6,581,846 B12003
- Thermostat display system providing animated icons139US 7,455,240 B2Ranco Incorporated of Delaware · 2008
- Thermostat relay control85US 7,673,809 B2Honeywell International Inc. · 2010
- Multistage warm air furnace with single stage thermostat and return air sensor and method of operating same54US 6,925,999 B2American Standard International Inc. · 2005
- Digital modulation for a gas-fired heater49US 6,705,533 B2Gas Research Institute · 2004