F24D 11/006
Air heating system
Official title: {air heating system}
F24D11/006 (Air heating system) appears on 181 US grants and 45 published applications in this corpus.
Search patents in F24D- Granted patents
- 181
- Published applications
- 45
- Assignees
- 60
- Inventors
- 239
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 8 | 0 |
| 1978 | 18 | 0 |
| 1979 | 15 | 0 |
| 1980 | 21 | 0 |
| 1981 | 32 | 0 |
| 1982 | 8 | 0 |
| 1983 | 9 | 0 |
| 1984 | 9 | 0 |
| 1985 | 11 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 2 | 2 |
| 2013 | 0 | 3 |
| 2014 | 3 | 1 |
| 2015 | 2 | 4 |
| 2016 | 2 | 4 |
| 2017 | 0 | 0 |
| 2018 | 6 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 2 |
| 2022 | 2 | 3 |
| 2023 | 0 | 2 |
| 2024 | 4 | 4 |
| 2025 | 1 | 1 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Building25 Aug 2026US 12,714,036 B2Kobe Steel, Ltd.
- Air heating apparatus12 May 2026US 12,624,844 B2Kyungdong Navien Co., Ltd.
- Energy efficient enclosure temperature regulation system30 Dec 2025US 12,510,256 B2Ceres Greenhouse Solutions LLC
- Thermal heating system and a controller for the same29 Oct 2024US 12,130,040 B2E. On Sverige AB
- Energy efficient enclosure temperature regulation system23 Jul 2024US 12,044,416 B2Ceres Greenhouse Solutions LLC
- Energy efficient enclosure temperature regulation system17 Sep 2026US 2026/0276213 A1Ceres Greenhouse Solutions LLC
- Air heating apparatus27 Aug 2026US 2026/0251318 A1Kyungdong Navien Co., Ltd.
- Waste-heat recirculating system, method of installation and method of use thereof30 Apr 2026US 2026/0117989 A1Highland Heat Harvesters Ltd
- Thermal management system using forced airflow5 Feb 2026US 2026/0036380 A1
- Heat exchanger battery6 Mar 2025US 2025/0079573 A1Bayview Investments (AUST) Pty Ltd
Most cited
By later US patents
- Methods, apparatus, and compositions for storing heat for the heating and cooling of buildings99US 4,259,401 AThe Southwall Corporation · 1981
- Environmentally heated and cooled building74US 4,051,999 A1977
- Environmentally heated and cooled pre-fabricated insulated concrete building63US 4,295,415 A1981
- Modular passive solar energy heating unit employing phase change heat storage material which is clearly transparent when in its high-stored-energy liquid state54US 4,532,917 A1985
- Combined solar radiation collector and thermal energy storage device51US 4,111,189 ACities Service Company · 1978