F24F 11/52
Indication arrangements
Official title: Indication arrangements, e.g. displays
F24F11/52 (Indication arrangements) appears on 2,725 US grants and 3,346 published applications in this corpus.
Search patents in F24F- Granted patents
- 2,725
- Published applications
- 3,346
- Assignees
- 784
- Inventors
- 5,382
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 12 | 0 |
| 1990 | 9 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 12 | 0 |
| 1995 | 28 | 0 |
| 1996 | 17 | 0 |
| 1997 | 18 | 0 |
| 1998 | 18 | 0 |
| 1999 | 14 | 0 |
| 2000 | 15 | 0 |
| 2001 | 20 | 4 |
| 2002 | 13 | 13 |
| 2003 | 16 | 24 |
| 2004 | 17 | 28 |
| 2005 | 12 | 53 |
| 2006 | 25 | 51 |
| 2007 | 25 | 58 |
| 2008 | 27 | 69 |
| 2009 | 24 | 66 |
| 2010 | 54 | 86 |
| 2011 | 42 | 80 |
| 2012 | 47 | 144 |
| 2013 | 73 | 146 |
| 2014 | 89 | 190 |
| 2015 | 114 | 257 |
| 2016 | 118 | 249 |
| 2017 | 182 | 296 |
| 2018 | 224 | 222 |
| 2019 | 275 | 217 |
| 2020 | 244 | 187 |
| 2021 | 180 | 210 |
| 2022 | 148 | 177 |
| 2023 | 166 | 157 |
| 2024 | 154 | 175 |
| 2025 | 132 | 124 |
| 2026 | 83 | 63 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Air conditioner29 Sep 2026US 12,747,883 B2LG Electronics Inc.
- Information processing device, air conditioning system, and program29 Sep 2026US 12,747,884 B2Daikin Industries, Ltd.
- Systems and methods for Refrigerant unit life cycle management22 Sep 2026US 12,742,564 B2Effecterra, Inc.
- Portable air conditioner15 Sep 2026US 12,736,233 B2Hephzibah Co., Ltd.
- Air conditioner having power-saving function and air conditioner control method15 Sep 2026US 12,736,241 B2Samsung Electronics Co., Ltd.
- System to monitor for and alert on risk of heat stress in school classrooms1 Oct 2026US 2026/0303396 A1Intrado Life & Safety, Inc.
- System and Method for predicting short cycling of HVAC systems and generating alerts for remediation24 Sep 2026US 2026/0287194 A1Lennox Industries Inc.
- System and method for transitioning a thermostat into a low power mode24 Sep 2026US 2026/0287195 A1Lennox Industries Inc.
- Interpreting Mold Test Results for HVAC Filters17 Sep 2026US 2026/0276230 A1The Lution Company
- Modular Dehumidifier Water Supply System10 Sep 2026US 2026/0266479 A1
Most cited
By later US patents
- System and method of controlling an HVAC system560US 7,130,719 B2Robertshaw Controls Company · 2006
- HVAC remote monitoring system530US 6,385,510 B12002
- Apparatus and method for automatic climate control456US 5,395,042 ASmart Systems International · 1995
- Thermostat user interface397US 8,195,313 B1Nest Labs, Inc. · 2012
- Graphical user interface system for a thermal comfort controller353US 6,595,430 B1Honeywell International Inc. · 2003