F24F 11/46
Improving electric energy efficiency or saving
F24F11/46 (Improving electric energy efficiency or saving) appears on 2,630 US grants and 3,350 published applications in this corpus.
Search patents in F24F- Granted patents
- 2,630
- Published applications
- 3,350
- Assignees
- 866
- Inventors
- 5,359
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 10 | 0 |
| 1978 | 6 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 11 | 0 |
| 1982 | 10 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 16 | 0 |
| 1995 | 13 | 0 |
| 1996 | 13 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 1 |
| 2002 | 11 | 12 |
| 2003 | 12 | 18 |
| 2004 | 12 | 23 |
| 2005 | 14 | 24 |
| 2006 | 15 | 36 |
| 2007 | 22 | 45 |
| 2008 | 15 | 57 |
| 2009 | 16 | 60 |
| 2010 | 26 | 94 |
| 2011 | 44 | 117 |
| 2012 | 55 | 165 |
| 2013 | 74 | 161 |
| 2014 | 88 | 189 |
| 2015 | 131 | 269 |
| 2016 | 141 | 255 |
| 2017 | 169 | 250 |
| 2018 | 224 | 201 |
| 2019 | 248 | 202 |
| 2020 | 230 | 228 |
| 2021 | 203 | 201 |
| 2022 | 165 | 173 |
| 2023 | 166 | 163 |
| 2024 | 119 | 153 |
| 2025 | 131 | 156 |
| 2026 | 76 | 97 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Air conditioning predictive power management system and method22 Sep 2026US 12,742,563 B2Eaton Intelligent Power Limited
- Air conditioner having power-saving function and air conditioner control method15 Sep 2026US 12,736,241 B2Samsung Electronics Co., Ltd.
- Predictive temperature scheduling for a thermostat using machine learning15 Sep 2026US 12,736,242 B2Lennox Industries Inc.
- Air conditioner and method for determining energy consumption of air conditioner15 Sep 2026US 12,738,875 B2Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Air-conditioning control system8 Sep 2026US 12,729,872 B2Daikin Industries, Ltd.
- Systems and method for providing automated heating, cooling and ventilation control8 Oct 2026US 2026/0309352 A1Universal Electronics Inc.
- Device and method for controlling cooling and heating in home and system therefor1 Oct 2026US 2026/0298491 A1LG Electronics Inc.
- System for controlling heating ventilation and air conditioning (hvac) systems1 Oct 2026US 2026/0298493 A1Eclimai Limited
- Air conditioning circuit and multi-split system1 Oct 2026US 2026/0298496 A1Foshan Shunde Midea Electric Science and Technology Co., Ltd.
- Thermal management system with fluid circuit for energy storage device in air conditioning system1 Oct 2026US 2026/0302432 A1Carrier Corporation
Most cited
By later US patents
- System and method of controlling an HVAC system560US 7,130,719 B2Robertshaw Controls Company · 2006
- Apparatus and method for automatic climate control456US 5,395,042 ASmart Systems International · 1995
- Thermostat user interface397US 8,195,313 B1Nest Labs, Inc. · 2012
- Thermostat having modulated and non-modulated provisions395US 7,083,109 B2Honeywell International Inc. · 2006
- Automated presence detection and presence-related control within an intelligent controller379US 8,630,741 B1Nest Labs, Inc. · 2014