F28F 9/0202
Header boxes having their inner space divided by partitions
Official title: {Header boxes having their inner space divided by partitions}
F28F9/0202 (Header boxes having their inner space divided by partitions) appears on 836 US grants and 870 published applications in this corpus.
Search patents in F28F- Granted patents
- 836
- Published applications
- 870
- Assignees
- 329
- Inventors
- 1,827
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 20 | 0 |
| 1993 | 25 | 0 |
| 1994 | 14 | 0 |
| 1995 | 11 | 0 |
| 1996 | 14 | 0 |
| 1997 | 9 | 0 |
| 1998 | 18 | 0 |
| 1999 | 18 | 0 |
| 2000 | 20 | 0 |
| 2001 | 32 | 5 |
| 2002 | 18 | 21 |
| 2003 | 13 | 15 |
| 2004 | 14 | 26 |
| 2005 | 12 | 38 |
| 2006 | 24 | 44 |
| 2007 | 14 | 41 |
| 2008 | 17 | 35 |
| 2009 | 15 | 24 |
| 2010 | 16 | 28 |
| 2011 | 16 | 33 |
| 2012 | 10 | 20 |
| 2013 | 11 | 29 |
| 2014 | 11 | 32 |
| 2015 | 15 | 39 |
| 2016 | 15 | 39 |
| 2017 | 36 | 45 |
| 2018 | 30 | 39 |
| 2019 | 46 | 45 |
| 2020 | 38 | 55 |
| 2021 | 33 | 43 |
| 2022 | 43 | 57 |
| 2023 | 41 | 48 |
| 2024 | 39 | 25 |
| 2025 | 36 | 29 |
| 2026 | 16 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Air conditioner having refrigerant distributor29 Sep 2026US 12,747,918 B2Samsung Electronics Co., Ltd.
- Baffle and associated fryer heat exchange system and fryer11 Aug 2026US 12,702,254 B2Illinois Tool Works Inc.
- Aircraft heat exchangers and plates11 Aug 2026US 12,704,330 B2Rtx Corporation
- 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 exchanger for automobiles8 Oct 2026US 2026/0309427 A1Estra Automotive Systems Co., Ltd.
- Header assembly, heat exchanger and air conditioning system1 Oct 2026US 2026/0298559 A1Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd.
- Heat exchanger, heat dissipation module, and compute device27 Aug 2026US 2026/0251398 A1Huawei Technologies 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.
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
- Condenser for use in a car cooling system81US 4,825,941 AShowa Aluminum Corporation · 1989
- 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