F28F 9/0221
Header boxes or end plates formed by stacked elements
Official title: {Header boxes or end plates formed by stacked elements}
F28F9/0221 (Header boxes or end plates formed by stacked elements) appears on 228 US grants and 267 published applications in this corpus.
Search patents in F28F- Granted patents
- 228
- Published applications
- 267
- Assignees
- 138
- Inventors
- 634
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 3 |
| 2002 | 3 | 7 |
| 2003 | 5 | 5 |
| 2004 | 4 | 6 |
| 2005 | 3 | 11 |
| 2006 | 5 | 8 |
| 2007 | 7 | 7 |
| 2008 | 4 | 5 |
| 2009 | 4 | 6 |
| 2010 | 3 | 8 |
| 2011 | 2 | 1 |
| 2012 | 2 | 3 |
| 2013 | 4 | 5 |
| 2014 | 4 | 7 |
| 2015 | 4 | 3 |
| 2016 | 2 | 22 |
| 2017 | 10 | 12 |
| 2018 | 14 | 16 |
| 2019 | 17 | 14 |
| 2020 | 16 | 21 |
| 2021 | 10 | 12 |
| 2022 | 14 | 24 |
| 2023 | 8 | 16 |
| 2024 | 18 | 21 |
| 2025 | 13 | 10 |
| 2026 | 7 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat exchanger and assembly method therefor15 Sep 2026US 12,736,290 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Heat exchanger and heat pump device19 May 2026US 12,631,374 B2Daikin Industries, Ltd.
- Printed circuit-type heat exchanger having integral structure19 May 2026US 12,631,404 B2Doosan Enerbility Co., Ltd.
- Heat exchanger, heat pump device, and method of manufacturing heat exchanger24 Mar 2026US 12,583,042 B2Daikin Industries, Ltd.
- Device for controlling the temperature of a component and method for manufacturing the device24 Mar 2026US 12,584,697 B2Fränkische Industrial Pipes GMBH & CO. KG
- Heat exchanger and air-conditioning apparatus20 Aug 2026US 2026/0243522 A1Mitsubishi Electric Corporation
- Thermal regulation device for cooling electrical energy storage members20 Aug 2026US 2026/0246014 A1Valeo Systemes Thermiques
- Heat exchanger, method for manufacturing the same, and refrigeration apparatus6 Aug 2026US 2026/0227137 A1Daikin Industries, Ltd.
- Heat exchanger and air-conditioning apparatus including the same30 Jul 2026US 2026/0218993 A1Mitsubishi Electric Corporation
- Plate heat exchanger comprising a mixing device30 Jul 2026US 2026/0218998 A1Valeo Systemes Thermiques
Most cited
By later US patents
- Heat exchange assembly97US 5,638,900 AAil Research Inc. · 1997
- Heat exchange assembly91US 6,745,826 B2Ail Research Inc. · 2004
- Heat exchange assembly40US 6,568,466 B22003
- Heat exchanger for embedded engine applications36US 10,126,062 B2General Electric Company · 2018
- Panel heat exchanger formed from tubes and sheets34US 5,469,915 A1995