F24H 9/0068
In combustion gas channels
Official title: {in combustion gas channels}
F24H9/0068 (In combustion gas channels) appears on 51 US grants and 74 published applications in this corpus.
Search patents in F24H- Granted patents
- 51
- Published applications
- 74
- Assignees
- 39
- Inventors
- 139
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 10 |
| 2015 | 2 | 8 |
| 2016 | 3 | 5 |
| 2017 | 3 | 1 |
| 2018 | 8 | 7 |
| 2019 | 2 | 6 |
| 2020 | 4 | 5 |
| 2021 | 2 | 9 |
| 2022 | 4 | 3 |
| 2023 | 6 | 6 |
| 2024 | 3 | 1 |
| 2025 | 5 | 1 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat exchanger for heating devices, and tube-assembly module for a heat exchanger10 Feb 2026US 12,546,510 B2Clada S.R.L.
- Gas furnace and air conditioner having the same11 Nov 2025US 12,467,660 B2LG Electronics Inc.
- Gas furnace and air conditioner having the same4 Nov 2025US 12,460,837 B2LG Electronics Inc.
- Radiant tube7 Oct 2025US 12,435,873 B2Jfe Steel Corporation
- Heat-exchange pipe, heat-exchanger unit using same, and condensing boiler using same3 Jun 2025US 12,320,550 B2Kyungdong Navien Co., Ltd.
- Forced Air Furnace with a Novel Multi-Path Heat Exchanger Section6 Aug 2026US 2026/0227096 A1
- Parking heater25 Jun 2026US 2026/0177283 A1Shenzhen Yisi Technology Co., Ltd.
- Portable turbine heater21 May 2026US 2026/0139848 A1Cahill Services Operating LLC
- Mobile air heater29 Jan 2026US 2026/0029161 A1Dometic Sweden AB
- Gas Furnace with Heat Exchanger20 Mar 2025US 2025/0093107 A1Goodman Manufacturing Company, L. P.
Most cited
By later US patents
- Radiant heat lifting device for outdoor flame heater14US 9,404,671 B22016
- Arrangement for the reduction of the exhaust gas temperature in heating devices13US 5,232,153 AJ. Eberspächer GmbH & Co. KG · 1993
- HVAC furnace13US 9,316,411 B2Trane International Inc. · 2016
- Air baffle for a heat exchanger9US 6,732,728 B2Carrier Corporation · 2004
- Heater with flame display8US 10,101,036 B2Wet · 2018