F25B 2700/2106
Of fresh outdoor air
Official title: of fresh outdoor air
F25B2700/2106 (Of fresh outdoor air) appears on 854 US grants and 1,065 published applications in this corpus.
Search patents in F25B- Granted patents
- 854
- Published applications
- 1,065
- Assignees
- 248
- Inventors
- 1,875
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 7 |
| 2002 | 15 | 11 |
| 2003 | 16 | 16 |
| 2004 | 20 | 38 |
| 2005 | 20 | 41 |
| 2006 | 21 | 46 |
| 2007 | 19 | 23 |
| 2008 | 17 | 33 |
| 2009 | 17 | 19 |
| 2010 | 16 | 26 |
| 2011 | 19 | 24 |
| 2012 | 9 | 27 |
| 2013 | 13 | 25 |
| 2014 | 15 | 47 |
| 2015 | 30 | 55 |
| 2016 | 32 | 56 |
| 2017 | 51 | 71 |
| 2018 | 67 | 67 |
| 2019 | 70 | 69 |
| 2020 | 71 | 62 |
| 2021 | 62 | 59 |
| 2022 | 45 | 60 |
| 2023 | 56 | 69 |
| 2024 | 44 | 55 |
| 2025 | 44 | 36 |
| 2026 | 22 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control method and device suitable for air conditioner in high drop mode15 Sep 2026US 12,736,247 B2Carrier Corporation
- Heat pump system and method for controlling the same1 Sep 2026US 12,723,793 B2Samsung Electronics Co., Ltd.
- Systems and methods for a refrigeration system with indirect evaporative heat exchanger18 Aug 2026US 12,710,208 B2Effecterra, Inc.
- Systems and methods for refrigerant leakage diagnosis11 Aug 2026US 12,704,304 B2Tyco Fire & Security GmbH
- Multi-capacity compressor with variable speed drive and method of use7 Jul 2026US 12,674,604 B2Regal Beloit America, Inc.
- Chiller assembly suitable for a heating, ventilating, or air conditioning (hvac) system27 Aug 2026US 2026/0251359 A1Tyco Fire & Security GmbH
- Refrigerator20 Aug 2026US 2026/0243485 A1Daikin Industries, Ltd.
- Apparatus, System and Method for Monitoring Air Conditioning Condenser Cleanliness6 Aug 2026US 2026/0227110 A1Westermeyer Industries Inc.
- Two-stage compression in a medium-temperature co2 cdu application23 Jul 2026US 2026/0210604 A1Heatcraft Refrigeration Products LLC
- Air conditioner23 Jul 2026US 2026/0210611 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor194US 6,047,557 ACopeland Corporation · 2000
- Compressor diagnostic system172US 6,615,594 B2Copeland Corporation · 2003
- Air filter monitoring system159US 7,244,294 B22007
- Apparatus and method for detecting faults and providing diagnostics in vapor compression cycle equipment156US 6,658,373 B2Field Diagnostic Services, Inc. · 2003
- Heating and cooling system with variable capacity compressor154US 5,628,201 ACopeland Corporation · 1997