F24F 11/83
By controlling the supply of heat-exchange fluids to heat-exchangers
Official title: by controlling the supply of heat-exchange fluids to heat-exchangers
F24F11/83 (By controlling the supply of heat-exchange fluids to heat-exchangers) appears on 1,376 US grants and 1,536 published applications in this corpus.
Search patents in F24F- Granted patents
- 1,376
- Published applications
- 1,536
- Assignees
- 431
- Inventors
- 3,047
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 11 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 13 | 0 |
| 1985 | 11 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 12 | 0 |
| 1992 | 7 | 0 |
| 1993 | 13 | 0 |
| 1994 | 13 | 0 |
| 1995 | 12 | 0 |
| 1996 | 12 | 0 |
| 1997 | 19 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 9 | 4 |
| 2002 | 12 | 5 |
| 2003 | 14 | 9 |
| 2004 | 8 | 18 |
| 2005 | 9 | 8 |
| 2006 | 6 | 13 |
| 2007 | 4 | 15 |
| 2008 | 5 | 20 |
| 2009 | 5 | 23 |
| 2010 | 11 | 20 |
| 2011 | 13 | 33 |
| 2012 | 13 | 46 |
| 2013 | 8 | 40 |
| 2014 | 15 | 73 |
| 2015 | 40 | 100 |
| 2016 | 43 | 108 |
| 2017 | 89 | 122 |
| 2018 | 106 | 85 |
| 2019 | 120 | 103 |
| 2020 | 102 | 131 |
| 2021 | 114 | 132 |
| 2022 | 104 | 91 |
| 2023 | 94 | 91 |
| 2024 | 80 | 108 |
| 2025 | 86 | 97 |
| 2026 | 50 | 41 |
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
- Air conditioning system and a control method thereof29 Sep 2026US 12,747,886 B2Guilin Fengyang Technology Co., Ltd.
- HVAC system using reheat from alternative heat source15 Sep 2026US 12,736,236 B2Tyco Fire & Security GmbH
- Control method and device of multi-tube air conditioner, air conditioner and storage medium15 Sep 2026US 12,736,244 B2Gd Midea Air-Conditioning Equipment Co., Ltd.
- Thermal management system with hybrid circuit for energy storage device in air conditioning system1 Oct 2026US 2026/0298487 A1Carrier Corporation
- Air conditioner and control method thereof10 Sep 2026US 2026/0266490 A1Samsung Electronics Co., Ltd.
- Air handler heat transfer rate control for climate control systems6 Aug 2026US 2026/0227086 A1Trane International Inc.
- Air conditioning system30 Jul 2026US 2026/0218935 A1Daikin Industries, Ltd.
- Hot water supply air-conditioning system, method of controlling hot water supply air-conditioning system, and control apparatus23 Jul 2026US 2026/0210569 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Control system and methods for a multiparameter electronically commutated motor250US 5,592,058 AGeneral Electric Company · 1997
- Self-programmable thermostat237US 7,784,704 B22010
- Direct digital control apparatus for automated monitoring and control of building systems226US 4,497,031 AJohnson Service Company · 1985
- Method and means of air conditioning214US 5,058,388 ALuminus Pty., Ltd. · 1991
- Dri-Pc humidity and temperature controller164US 4,841,733 A1989