F28F 9/0219
Arrangements for sealing end plates into casing or header box
Official title: {Arrangements for sealing end plates into casing or header box; Header box sub-elements (F28F9/0236 takes precedence)}
F28F9/0219 (Arrangements for sealing end plates into casing or header box) appears on 912 US grants and 955 published applications in this corpus.
Search patents in F28F- Granted patents
- 912
- Published applications
- 955
- Assignees
- 393
- Inventors
- 2,175
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 10 | 0 |
| 1984 | 4 | 0 |
| 1985 | 11 | 0 |
| 1986 | 18 | 0 |
| 1987 | 14 | 0 |
| 1988 | 13 | 0 |
| 1989 | 9 | 0 |
| 1990 | 13 | 0 |
| 1991 | 9 | 0 |
| 1992 | 12 | 0 |
| 1993 | 24 | 0 |
| 1994 | 21 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 12 | 0 |
| 1998 | 14 | 0 |
| 1999 | 12 | 0 |
| 2000 | 10 | 0 |
| 2001 | 24 | 7 |
| 2002 | 10 | 26 |
| 2003 | 13 | 21 |
| 2004 | 11 | 23 |
| 2005 | 18 | 37 |
| 2006 | 22 | 36 |
| 2007 | 21 | 48 |
| 2008 | 10 | 37 |
| 2009 | 13 | 28 |
| 2010 | 17 | 31 |
| 2011 | 15 | 24 |
| 2012 | 13 | 24 |
| 2013 | 10 | 31 |
| 2014 | 14 | 26 |
| 2015 | 22 | 42 |
| 2016 | 18 | 59 |
| 2017 | 36 | 54 |
| 2018 | 40 | 49 |
| 2019 | 70 | 64 |
| 2020 | 41 | 56 |
| 2021 | 48 | 45 |
| 2022 | 42 | 58 |
| 2023 | 34 | 49 |
| 2024 | 42 | 38 |
| 2025 | 40 | 22 |
| 2026 | 9 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat exchanger and assembly method therefor15 Sep 2026US 12,736,290 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Collector assembly and heat exchanger with simplified structure9 Jun 2026US 12,650,265 B2Sanhua Holding Group Co., Ltd.
- Heat exchanger9 Jun 2026US 12,650,273 B2Hanon Systems
- 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 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
- Apparatus, System and Method for Heat Exchanger End Plate Erosion Resistance13 Aug 2026US 2026/0235371 A1Westermeyer Industries Inc.
- 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
Most cited
By later US patents
- Heat exchanger115US 4,244,423 A1981
- Heat exchange assembly97US 5,638,900 AAil Research Inc. · 1997
- Heat exchanger with oblong grommetted tubes and locating plates91US 5,538,079 A1996
- Heat exchange assembly91US 6,745,826 B2Ail Research Inc. · 2004
- Receiver-integrated refrigerant condenser67US 5,546,761 ANippondenso Co., Ltd. · 1996