F24H 3/12
Air heaters: with additional heating arrangements
Official title: with additional heating arrangements
F24H3/12 (Air heaters: with additional heating arrangements) appears on 29 US grants and 42 published applications in this corpus.
Search patents in F24H- Granted patents
- 29
- Published applications
- 42
- Assignees
- 36
- Inventors
- 83
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 0 | 7 |
| 2014 | 1 | 5 |
| 2015 | 2 | 6 |
| 2016 | 10 | 3 |
| 2017 | 1 | 3 |
| 2018 | 4 | 4 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heating device13 May 2025US 12,298,014 B2Gree Electric Appliances, Inc. of Zhuhai
- Hybrid residential heater and control system therefor4 Mar 2025US 12,241,656 B2Flexchanger Technologies Inc.
- System and method for using waste heat from computing devices19 Nov 2024US 12,146,685 B1Core Scientific, Inc.
- System and method for heat and energy recovery and regeneration22 Oct 2024US 12,123,623 B1Commercial Energy Saving Plus, LLC
- Cogeneration system for a boiler1 Jun 2021US 11,022,035 B2
- Hybrid duct device for heating an air flow16 Jul 2026US 2026/0202092 A1Fives Itas S.P.A.
- Sand-based thermal storage apparatus21 Aug 2025US 2025/0264280 A1
- System and method for using waste heat from computing devices13 Feb 2025US 2025/0052449 A1Core Scientific, Inc.
- Automatically switching a combi radiator25 Apr 2024US 2024/0133562 A1Sagemcom Energy & Telecom SAS
- Hybrid residential heater and control system therefor25 Jan 2024US 2024/0027102 A1Flexchanger Technologies Inc.
Most cited
By later US patents
- Method and system for conditioning air in an enclosed environment with distributed air circulation systems38US 9,316,410 B2Enverid Systems, Inc. · 2016
- Electric furnace for mobile and modular homes20US 4,337,823 AIntertherm Inc. · 1982
- Blow through air handler20US 9,303,882 B2Trane International Inc. · 2016
- Method and system for conditioning air in an enclosed environment with distributed air circulation systems14US 10,281,168 B2Enverid Systems, Inc. · 2019
- Apparatus and method of utilizing waste heat from furnace combustion14US 4,079,885 A1978