F24F 2203/104
Heat exchanger wheel
F24F2203/104 (Heat exchanger wheel) appears on 273 US grants and 131 published applications in this corpus.
Search patents in F24F- Granted patents
- 273
- Published applications
- 131
- Assignees
- 134
- Inventors
- 390
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 8 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 14 | 0 |
| 1997 | 6 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 16 | 2 |
| 2002 | 8 | 5 |
| 2003 | 3 | 8 |
| 2004 | 5 | 6 |
| 2005 | 5 | 3 |
| 2006 | 7 | 9 |
| 2007 | 1 | 3 |
| 2008 | 5 | 1 |
| 2009 | 2 | 7 |
| 2010 | 5 | 8 |
| 2011 | 2 | 2 |
| 2012 | 0 | 4 |
| 2013 | 3 | 9 |
| 2014 | 2 | 1 |
| 2015 | 4 | 4 |
| 2016 | 6 | 5 |
| 2017 | 5 | 7 |
| 2018 | 2 | 9 |
| 2019 | 10 | 2 |
| 2020 | 6 | 8 |
| 2021 | 7 | 11 |
| 2022 | 8 | 8 |
| 2023 | 5 | 3 |
| 2024 | 5 | 4 |
| 2025 | 5 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Using liquid to air membrane energy exchanger for liquid cooling14 Oct 2025US 12,442,558 B2Nortek Air Solutions Canada, Inc.
- Rotary air homogenizer6 May 2025US 12,292,207 B2Tyco Fire & Security GmbH
- Fresh air conditioning system18 Mar 2025US 12,253,280 B2Puresci Environmental Technology Co., Ltd
- Dampers placed on the half face of the inlet and the outlet of side-by-side airflow energy recovery sections used as recirculation path18 Feb 2025US 12,228,305 B2Trane International Inc.
- Dual-wheel HVAC system and method having improved dew point control4 Feb 2025US 12,215,887 B1NovelAire Technologies, L.L.C.
- Dampers placed on the half face of the inlet and the outlet of side-by-side airflow energy recovery sections used as recirculation path12 Jun 2025US 2025/0189163 A1Trane International Inc.
- Heater Exchanger for an Air Conditioner Unit30 Jan 2025US 2025/0035336 A1Rheem Manufacturing Company
- Air-conditioning apparatus25 Jul 2024US 2024/0247824 A1Mitsubishi Electric Corporation
- Dampers placed on the half face of the inlet and the outlet of side-by-side airflow energy recovery sections used as recirculation path25 Jul 2024US 2024/0247834 A1Trane International Inc.
- Rotary Air Homogenizer9 May 2024US 2024/0151426 A1Air Distribution Technologies IP, LLC
Most cited
By later US patents
- Dri-Pc humidity and temperature controller164US 4,841,733 A1989
- Heat exchanger, heat pump, dehumidifier, and dehumidifying method148US 6,442,951 B1Ebara Corporation · 2002
- System and method for controlling temperature and humidity132US 6,199,388 B1Semco LLC · 2001
- Air conditioning apparatus125US 5,181,387 A1993
- Ventilating dehumidifying system123US 6,575,228 B1Mississippi State Research and Technology Corporation · 2003