F24F 11/70
Control systems characterised by their outputs
Official title: Control systems characterised by their outputs; Constructional details thereof
F24F11/70 (Control systems characterised by their outputs) appears on 5,335 US grants and 5,956 published applications in this corpus.
Search patents in F24F- Granted patents
- 5,335
- Published applications
- 5,956
- Assignees
- 1,615
- Inventors
- 10,117
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 42 | 0 |
| 1977 | 45 | 0 |
| 1978 | 33 | 0 |
| 1979 | 26 | 0 |
| 1980 | 33 | 0 |
| 1981 | 44 | 0 |
| 1982 | 24 | 0 |
| 1983 | 26 | 0 |
| 1984 | 38 | 0 |
| 1985 | 50 | 0 |
| 1986 | 26 | 0 |
| 1987 | 31 | 0 |
| 1988 | 31 | 0 |
| 1989 | 42 | 0 |
| 1990 | 34 | 0 |
| 1991 | 36 | 0 |
| 1992 | 40 | 0 |
| 1993 | 52 | 0 |
| 1994 | 51 | 0 |
| 1995 | 63 | 0 |
| 1996 | 47 | 0 |
| 1997 | 57 | 0 |
| 1998 | 66 | 0 |
| 1999 | 56 | 0 |
| 2000 | 42 | 0 |
| 2001 | 47 | 8 |
| 2002 | 49 | 28 |
| 2003 | 39 | 51 |
| 2004 | 43 | 87 |
| 2005 | 37 | 72 |
| 2006 | 43 | 82 |
| 2007 | 43 | 107 |
| 2008 | 35 | 92 |
| 2009 | 33 | 106 |
| 2010 | 53 | 113 |
| 2011 | 61 | 135 |
| 2012 | 77 | 178 |
| 2013 | 74 | 154 |
| 2014 | 99 | 225 |
| 2015 | 135 | 316 |
| 2016 | 152 | 326 |
| 2017 | 246 | 347 |
| 2018 | 280 | 323 |
| 2019 | 342 | 394 |
| 2020 | 389 | 486 |
| 2021 | 367 | 498 |
| 2022 | 395 | 433 |
| 2023 | 381 | 435 |
| 2024 | 350 | 416 |
| 2025 | 335 | 336 |
| 2026 | 195 | 208 |
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
- Adjustable working fluid reservoir for HVAC system6 Oct 2026US 12,753,942 B2Tyco Fire & Security GmbH
- System and method for detecting low indoor air quality and enabling ventilation in multi-zone29 Sep 2026US 12,747,881 B2Carrier Corporation
- Refrigerant leakage detection method and device, air conditioner and storage medium29 Sep 2026US 12,747,882 B2Gd Midea Air-Conditioning Equipment Co., Ltd.
- Information processing device, air conditioning system, and program29 Sep 2026US 12,747,884 B2Daikin Industries, Ltd.
- Systems and method for providing automated heating, cooling and ventilation control8 Oct 2026US 2026/0309352 A1Universal Electronics Inc.
- Detection system and detection method8 Oct 2026US 2026/0309353 A1Panasonic Intellectual Property Management Co., Ltd.
- Target temperature calculation method, air conditioner, and computer storage medium8 Oct 2026US 2026/0309354 A1Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Systems and methods for controlling capacity of a compressor8 Oct 2026US 2026/0309355 A1Tyco Fire & Security GmbH
- Refrigeration Circuit Device and Heat Pump8 Oct 2026US 2026/0309356 A1Viessmann Holding International GmbH
Most cited
By later US patents
- Environmental condition control and energy management system and method768US 6,216,956 B1Tocom, Inc. · 2001
- System and method of controlling an HVAC system560US 7,130,719 B2Robertshaw Controls Company · 2006
- Environmental condition control and energy management system and method470US 5,924,486 ATeCom AS · 1999
- Realtime, location-based cell phone enhancements, uses, and applications357US 8,880,047 B22014
- Open web services-based indoor climate control system352US 7,904,209 B2Syracuse University · 2011