F24F 11/84
Using valves
Official title: using valves
F24F11/84 (Using valves) appears on 1,018 US grants and 1,104 published applications in this corpus.
Search patents in F24F- Granted patents
- 1,018
- Published applications
- 1,104
- Assignees
- 330
- Inventors
- 2,342
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 10 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 10 | 0 |
| 1985 | 11 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 7 | 0 |
| 1993 | 12 | 0 |
| 1994 | 12 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 13 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 2 |
| 2002 | 7 | 2 |
| 2003 | 9 | 4 |
| 2004 | 4 | 12 |
| 2005 | 5 | 5 |
| 2006 | 3 | 12 |
| 2007 | 4 | 13 |
| 2008 | 5 | 14 |
| 2009 | 3 | 19 |
| 2010 | 10 | 17 |
| 2011 | 10 | 28 |
| 2012 | 12 | 33 |
| 2013 | 7 | 32 |
| 2014 | 12 | 46 |
| 2015 | 28 | 78 |
| 2016 | 28 | 74 |
| 2017 | 66 | 90 |
| 2018 | 76 | 45 |
| 2019 | 77 | 63 |
| 2020 | 63 | 93 |
| 2021 | 87 | 93 |
| 2022 | 82 | 71 |
| 2023 | 61 | 67 |
| 2024 | 57 | 86 |
| 2025 | 64 | 74 |
| 2026 | 41 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- 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.
- Open air-cycle ventilating heat pump8 Sep 2026US 12,729,873 B2Copeland Corporation
- Two-supply kitchen air conditioning system8 Sep 2026US 12,729,874 B2Ningbo Dongda 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
- 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
- Heating and cooling system with variable capacity compressor154US 5,628,201 ACopeland Corporation · 1997