F28F 9/001
Casings in the form of plate-like arrangements
Official title: {Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core}
F28F9/001 (Casings in the form of plate-like arrangements) appears on 1,001 US grants and 1,051 published applications in this corpus.
Search patents in F28F- Granted patents
- 1,001
- Published applications
- 1,051
- Assignees
- 497
- Inventors
- 2,550
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 3 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 9 | 0 |
| 1993 | 21 | 0 |
| 1994 | 16 | 0 |
| 1995 | 15 | 0 |
| 1996 | 20 | 0 |
| 1997 | 23 | 0 |
| 1998 | 15 | 0 |
| 1999 | 28 | 0 |
| 2000 | 27 | 0 |
| 2001 | 34 | 14 |
| 2002 | 19 | 34 |
| 2003 | 27 | 31 |
| 2004 | 25 | 39 |
| 2005 | 26 | 44 |
| 2006 | 35 | 41 |
| 2007 | 17 | 49 |
| 2008 | 18 | 39 |
| 2009 | 11 | 25 |
| 2010 | 14 | 15 |
| 2011 | 14 | 36 |
| 2012 | 11 | 37 |
| 2013 | 11 | 27 |
| 2014 | 18 | 48 |
| 2015 | 21 | 45 |
| 2016 | 23 | 44 |
| 2017 | 38 | 70 |
| 2018 | 57 | 61 |
| 2019 | 65 | 77 |
| 2020 | 60 | 57 |
| 2021 | 39 | 46 |
| 2022 | 46 | 45 |
| 2023 | 33 | 37 |
| 2024 | 26 | 29 |
| 2025 | 34 | 33 |
| 2026 | 20 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat exchanger1 Sep 2026US 12,723,820 B2Hanon Systems
- Heat exchanger sealing plate for air conditioner, indoor unit and air conditioner25 Aug 2026US 12,716,595 B2Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Heat exchanger support device25 Aug 2026US 12,716,613 B2Mitsubishi Electric Corporation
- Energy recovery system11 Aug 2026US 12,704,329 B2
- Heat exchanger and air conditioning system having the same28 Jul 2026US 12,693,076 B2Danfoss A/S
- Heat exchanger core with integrated distributer arrangement8 Oct 2026US 2026/0309433 A1Honeywell International Inc.
- Ventilation apparatus24 Sep 2026US 2026/0287204 A1Samsung Electronics Co., Ltd.
- Economizers for waste heat recovery systems27 Aug 2026US 2026/0251406 A1Scope Technology and Manufacturing, LLC
- Apparatus, System and Method for Heat Exchanger End Plate Erosion Resistance13 Aug 2026US 2026/0235371 A1Westermeyer Industries Inc.
- Modular heat transfer systems and associated methods of heat transfer6 Aug 2026US 2026/0227136 A1Spx Cooling Tech, LLC
Most cited
By later US patents
- Device for electrically connecting up a motor/fan unit for a motor vehicle heat exchanger97US 5,868,197 AValeo Thermique Moteur · 1999
- Heat exchanger with oblong grommetted tubes and locating plates91US 5,538,079 A1996
- Heat exchanger module for a vehicle or the like69US 4,651,816 AModine Manufacturing Company · 1987
- Radiator, condenser and fan shroud assembly69US 5,219,016 AGeneral Motors Corporation · 1993
- Engine cooling fan and fan shrouding arrangement68US 4,685,513 AGeneral Motors Corporation · 1987