F28F 9/0204
For elongated header box
Official title: {for elongated header box, e.g. with transversal and longitudinal partitions}
F28F9/0204 (For elongated header box) appears on 645 US grants and 678 published applications in this corpus.
Search patents in F28F- Granted patents
- 645
- Published applications
- 678
- Assignees
- 238
- Inventors
- 1,459
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 18 | 0 |
| 1993 | 20 | 0 |
| 1994 | 13 | 0 |
| 1995 | 9 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 16 | 0 |
| 1999 | 16 | 0 |
| 2000 | 16 | 0 |
| 2001 | 31 | 3 |
| 2002 | 16 | 17 |
| 2003 | 9 | 12 |
| 2004 | 11 | 13 |
| 2005 | 4 | 18 |
| 2006 | 14 | 38 |
| 2007 | 11 | 35 |
| 2008 | 10 | 29 |
| 2009 | 11 | 22 |
| 2010 | 14 | 24 |
| 2011 | 10 | 31 |
| 2012 | 8 | 18 |
| 2013 | 10 | 20 |
| 2014 | 11 | 26 |
| 2015 | 14 | 35 |
| 2016 | 11 | 32 |
| 2017 | 33 | 32 |
| 2018 | 25 | 29 |
| 2019 | 34 | 34 |
| 2020 | 28 | 43 |
| 2021 | 23 | 31 |
| 2022 | 31 | 41 |
| 2023 | 30 | 42 |
| 2024 | 29 | 20 |
| 2025 | 31 | 22 |
| 2026 | 12 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Baffle and associated fryer heat exchange system and fryer11 Aug 2026US 12,702,254 B2Illinois Tool Works Inc.
- Heat exchanger21 Jul 2026US 12,687,342 B2Fujitsu General Limited
- Refrigerant heat exchanger with integral multipass and flow distribution technology7 Jul 2026US 12,674,632 B2Intergalactic Spaceworx, LLC
- Heat exchanger23 Jun 2026US 12,663,225 B2Samsung Electronics Co., Ltd.
- Refrigerator9 Jun 2026US 12,650,252 B2LG Electronics Inc.
- Header assembly, heat exchanger and air conditioning system1 Oct 2026US 2026/0298559 A1Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd.
- Modular cooler and isolation valve assembly30 Jul 2026US 2026/0218999 A1Forum US, Inc.
- Heat Exchanger with Improved Performance16 Jul 2026US 2026/0202089 A1Daikin Comfort Technologies Manufacturing, L.P.
- Heat exchanger9 Jul 2026US 2026/0194312 A1Hanon Systems
- Heat exchanger18 Jun 2026US 2026/0168705 A1Sanden Corporation
Most cited
By later US patents
- Extruded manifold with multiple passages and cross-counterflow heat exchanger incorporating same103US 5,941,303 AThermal Components, Inc. · 1999
- Laminated evaporator59US 4,274,482 ANihon Radiator Co., Ltd. · 1981
- Combination radiator and condenser apparatus for motor vehicle55US 5,009,262 AGeneral Motors Corporation · 1991
- Manifold assembly for a parallel flow heat exchanger54US 5,107,926 AThermal Components, Inc. · 1992
- Vehicle-loaded parallel flow type heat exchanger53US 5,203,407 AZexel Corporation · 1993