F23N 2225/12
Room temperature
Official title: room temperature
F23N2225/12 (Room temperature) appears on 102 US grants and 41 published applications in this corpus.
Search patents in F23N- Granted patents
- 102
- Published applications
- 41
- Assignees
- 67
- Inventors
- 166
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 4 |
| 2003 | 4 | 3 |
| 2004 | 3 | 3 |
| 2005 | 4 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 4 |
| 2008 | 2 | 2 |
| 2009 | 2 | 0 |
| 2010 | 2 | 2 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for operating a furnace14 Apr 2026US 12,601,482 B2Johnson Controls Light Commercial IP GmbH
- Hybrid residential heater and control system therefor4 Mar 2025US 12,241,656 B2Flexchanger Technologies Inc.
- Dynamically adjusting heater14 May 2024US 11,982,469 B2Williams Furnace Company
- Quick heat algorithm for modulating heating equipment30 Apr 2024US 11,971,187 B2Tyco Fire & Security GmbH
- Methods and system for demand-based control of a combination boiler28 Nov 2023US 11,828,474 B2Lochinvar, LLC
- Quick heat algorithm for modulating heating equipment29 Aug 2024US 2024/0288194 A1Tyco Fire & Security GmbH
- Hybrid residential heater and control system therefor25 Jan 2024US 2024/0027102 A1Flexchanger Technologies Inc.
- Heating system and method for controlling supply air temperature thereof30 Nov 2023US 2023/0383983 A1Kyungdong Navien Co., Ltd.
- Systems and methods for operating a furnace5 Oct 2023US 2023/0313989 A1Johnson Controls Tyco IP Holdings LLP
- Quick heat algorithm for modulating heating equipment5 Jan 2023US 2023/0003412 A1Johnson Controls Tyco IP Holdings LLP
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
- System for time programming of states by communicating time data via a continuously rotatable potentiometer153US 4,837,731 AHoneywell Inc. · 1989
- Thermostat display system providing animated icons139US 7,455,240 B2Ranco Incorporated of Delaware · 2008
- Method for providing variable output gas-fired furnace with a constant temperature rise and efficiency88US 4,688,547 ACarrier Corporation · 1987
- Thermostat relay control85US 7,673,809 B2Honeywell International Inc. · 2010