F24F 2140/12
Heat-exchange fluid pressure
F24F2140/12 (Heat-exchange fluid pressure) appears on 214 US grants and 273 published applications in this corpus.
Search patents in F24F- Granted patents
- 214
- Published applications
- 273
- Assignees
- 79
- Inventors
- 593
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 2 |
| 2010 | 3 | 3 |
| 2011 | 1 | 5 |
| 2012 | 2 | 7 |
| 2013 | 0 | 3 |
| 2014 | 2 | 6 |
| 2015 | 3 | 7 |
| 2016 | 6 | 14 |
| 2017 | 7 | 9 |
| 2018 | 6 | 19 |
| 2019 | 23 | 20 |
| 2020 | 23 | 25 |
| 2021 | 14 | 33 |
| 2022 | 19 | 28 |
| 2023 | 31 | 22 |
| 2024 | 25 | 29 |
| 2025 | 19 | 21 |
| 2026 | 10 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Heat pump24 Sep 2026US 2026/0287187 A1LG Electronics Inc.
- Compressor modulation in non-communicating mode10 Sep 2026US 2026/0266498 A1Lennox Industries Inc.
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Most cited
By later US patents
- Remote data acquisition system and method254US 6,823,680 B2Copeland Corporation · 2004
- Air-conditioning servicing system and method162US 6,324,854 B1Copeland Corporation · 2001
- Control system for an air conditioning/refrigeration system120US 5,203,179 AEcoair Corp. · 1993
- Data acquisition system and method107US 6,560,976 B2Copeland Corporation · 2003
- Remote data acquisition system and method106US 7,174,728 B2Emerson Climate Technologies, Inc. · 2007