F24F 2140/00
Control inputs relating to system states
F24F2140/00 (Control inputs relating to system states) appears on 2,152 US grants and 2,634 published applications in this corpus.
Search patents in F24F- Granted patents
- 2,152
- Published applications
- 2,634
- Assignees
- 640
- Inventors
- 4,457
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 10 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 13 | 0 |
| 1994 | 13 | 0 |
| 1995 | 11 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 14 | 1 |
| 2002 | 10 | 9 |
| 2003 | 6 | 10 |
| 2004 | 11 | 13 |
| 2005 | 10 | 19 |
| 2006 | 13 | 21 |
| 2007 | 8 | 8 |
| 2008 | 6 | 29 |
| 2009 | 7 | 18 |
| 2010 | 15 | 34 |
| 2011 | 18 | 46 |
| 2012 | 24 | 84 |
| 2013 | 23 | 64 |
| 2014 | 37 | 85 |
| 2015 | 59 | 147 |
| 2016 | 75 | 172 |
| 2017 | 108 | 157 |
| 2018 | 126 | 170 |
| 2019 | 201 | 219 |
| 2020 | 202 | 220 |
| 2021 | 198 | 280 |
| 2022 | 202 | 220 |
| 2023 | 219 | 184 |
| 2024 | 183 | 190 |
| 2025 | 136 | 142 |
| 2026 | 84 | 92 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method, controller and system of controlling thermal power transfer through a thermal energy exchanger6 Oct 2026US 12,753,941 B2Belimo Holding AG
- Predictive temperature scheduling for a thermostat using machine learning15 Sep 2026US 12,736,242 B2Lennox Industries Inc.
- Control method and device suitable for air conditioner in high drop mode15 Sep 2026US 12,736,247 B2Carrier Corporation
- Air conditioning system, air conditioning apparatus, and control method15 Sep 2026US 12,736,249 B2Fujitsu General Limited
- Modular HVAC-SHW system and a method of integrating thereof8 Sep 2026US 12,729,865 B2Carrier Corporation
- Systems and methods for controlling capacity of a compressor8 Oct 2026US 2026/0309355 A1Tyco Fire & Security GmbH
- Neural Network Initialization8 Oct 2026US 2026/0310969 A1PassiveLogic, Inc.
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298489 A1
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298490 A1
- Device and method for controlling cooling and heating in home and system therefor1 Oct 2026US 2026/0298491 A1LG Electronics Inc.
Most cited
By later US patents
- System and method for optimizing use of plug-in air conditioners and portable heaters322US 8,090,477 B1EcoFactor, Inc. · 2012
- System and method for using ramped setpoint temperature variation with networked thermostats to improve efficiency320US 8,010,237 B2EcoFactor, Inc. · 2011
- System and method for using a networked electronic device as an occupancy sensor for an energy management system318US 8,180,492 B2EcoFactor, Inc. · 2012
- Easy-to-install thermostatic control system based on room occupancy291US 5,476,221 A1995
- Remote data acquisition system and method254US 6,823,680 B2Copeland Corporation · 2004