F28D 1/0233
With air flow channels
Official title: {with air flow channels}
F28D1/0233 (With air flow channels) appears on 422 US grants and 558 published applications in this corpus.
Search patents in F28D- Granted patents
- 422
- Published applications
- 558
- Assignees
- 296
- Inventors
- 1,254
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 4 | 4 |
| 2005 | 4 | 2 |
| 2006 | 2 | 8 |
| 2007 | 2 | 5 |
| 2008 | 1 | 14 |
| 2009 | 2 | 8 |
| 2010 | 5 | 13 |
| 2011 | 2 | 18 |
| 2012 | 3 | 10 |
| 2013 | 9 | 15 |
| 2014 | 11 | 23 |
| 2015 | 8 | 32 |
| 2016 | 21 | 29 |
| 2017 | 16 | 30 |
| 2018 | 35 | 35 |
| 2019 | 21 | 39 |
| 2020 | 37 | 74 |
| 2021 | 43 | 44 |
| 2022 | 39 | 46 |
| 2023 | 36 | 35 |
| 2024 | 33 | 21 |
| 2025 | 28 | 24 |
| 2026 | 13 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Plate with flow channel1 Sep 2026US 12,723,816 B2NHK Spring Co., Ltd.
- Heat exchanger7 Jul 2026US 12,674,622 B2Evapco, Inc.
- Refrigerator16 Jun 2026US 12,656,046 B2LG Electronics Inc.
- Motor assembly and heat exchanger apparatus26 May 2026US 12,640,625 B2Toshiba International Corporation
- Electric arrangement, panel and heat exchanger19 May 2026US 12,631,406 B2Hitachi Energy Ltd
- Heat pump air-conditioning system and vehicle8 Oct 2026US 2026/0307459 A1Beijing CHJ Information Technology Co., LTD.
- Sheet membrane apparatus8 Oct 2026US 2026/0309425 A1Baltimore Aircoil Company, Inc.
- Advanced thermal management systems with thermoelectric cold plate coolant system24 Sep 2026US 2026/0287229 A1
- Passive cooling apparatus for cooling of immersion fluid and power conversion equipment including a shape-memory alloy heat engine and related systems24 Sep 2026US 2026/0287263 A1Eaton Intelligent Power Limited
- Structural thermal codesign of hydrocarbon functionalized metallic chambers for directed heat management24 Sep 2026US 2026/0287264 A1
Most cited
By later US patents
- Electronic enclosure cooling system115US 4,911,231 ABICC Public Limited Company · 1990
- Method and apparatus for operating gas turbine engine heat exchangers71US 8,387,362 B22013
- Convective heater68US 8,575,518 B2Gentherm Incorporated · 2013
- Heat exchange system and method of use61US 6,772,829 B22004
- Convertible heat exchanger for air or water cooling of electronic circuit components and the like55US 5,482,113 AInternational Business Machines Corporation · 1996