F28F 9/00
Casings
Official title: Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
F28F9/00 (Casings) appears on 7,294 US grants and 7,455 published applications in this corpus.
Search patents in F28F- Granted patents
- 7,294
- Published applications
- 7,455
- Assignees
- 2,562
- Inventors
- 14,229
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 66 | 0 |
| 1977 | 58 | 0 |
| 1978 | 59 | 0 |
| 1979 | 60 | 0 |
| 1980 | 79 | 0 |
| 1981 | 86 | 0 |
| 1982 | 74 | 0 |
| 1983 | 72 | 0 |
| 1984 | 87 | 0 |
| 1985 | 90 | 0 |
| 1986 | 99 | 0 |
| 1987 | 111 | 0 |
| 1988 | 89 | 0 |
| 1989 | 84 | 0 |
| 1990 | 68 | 0 |
| 1991 | 85 | 0 |
| 1992 | 89 | 0 |
| 1993 | 115 | 0 |
| 1994 | 106 | 0 |
| 1995 | 85 | 0 |
| 1996 | 103 | 0 |
| 1997 | 98 | 0 |
| 1998 | 113 | 0 |
| 1999 | 134 | 0 |
| 2000 | 126 | 0 |
| 2001 | 147 | 52 |
| 2002 | 102 | 144 |
| 2003 | 102 | 152 |
| 2004 | 116 | 186 |
| 2005 | 122 | 251 |
| 2006 | 169 | 245 |
| 2007 | 125 | 250 |
| 2008 | 93 | 292 |
| 2009 | 93 | 214 |
| 2010 | 119 | 242 |
| 2011 | 122 | 252 |
| 2012 | 115 | 261 |
| 2013 | 126 | 318 |
| 2014 | 159 | 354 |
| 2015 | 192 | 375 |
| 2016 | 199 | 394 |
| 2017 | 324 | 425 |
| 2018 | 336 | 393 |
| 2019 | 390 | 399 |
| 2020 | 325 | 377 |
| 2021 | 311 | 367 |
| 2022 | 306 | 387 |
| 2023 | 271 | 333 |
| 2024 | 277 | 314 |
| 2025 | 270 | 267 |
| 2026 | 147 | 211 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F28F 9/02Header boxes4,843
- F28F 9/007Auxiliary supports for elements1,065
- F28F 9/001Casings in the form of plate-like arrangements1,001
- F28F 9/26Arrangements for connecting different sections of heat-exchange elements762
- F28F 9/22Arrangements for directing heat-exchange media into successive compartments710
- F28F 9/005Casings: other auxiliary members within casings153
- F28F 9/24Arrangements for promoting turbulent flow of heat-exchange media42
- F28F 9/20Arrangements of heat reflectors30
Recent patents
- Connector, connector assembly, liquid cooled plate, and liquid cooled server6 Oct 2026US 12,753,979 B2Bitmain Technologies Inc.
- Compositions and systems for elastic turbulence29 Sep 2026US 12,747,382 B2Schlumberger Technology Corporation
- Indoor unit of air conditioner29 Sep 2026US 12,747,871 B2Fujitsu General Limited
- Heat generation cell, heat generation device, and heat utilization system29 Sep 2026US 12,747,893 B2Clean Planet Inc.
- Air conditioner having refrigerant distributor29 Sep 2026US 12,747,918 B2Samsung Electronics Co., Ltd.
- Sheet membrane apparatus8 Oct 2026US 2026/0309425 A1Baltimore Aircoil Company, Inc.
- Heat exchanger for automobiles8 Oct 2026US 2026/0309427 A1Estra Automotive Systems Co., Ltd.
- Heat exchanger8 Oct 2026US 2026/0309428 A1Hanon Systems
- Heat exchanger core with integrated distributer arrangement8 Oct 2026US 2026/0309433 A1Honeywell International Inc.
- Mechanism for single hand operation of dual quick disconnects on an external desktop radiator1 Oct 2026US 2026/0298386 A1Lenovo (United States) Inc.
Most cited
By later US patents
- Closed loop liquid cooling for semiconductor RF amplifier modules213US 5,901,037 ANorthrop Grumman Corporation · 1999
- Outlet silencer and heat recovery structures for gas turbine177US 6,851,514 B2Air Handling Engineering Ltd. · 2005
- Cooling system for VLSI circuit chips160US 4,561,040 AIBM Corporation · 1985
- Self-centering seal for use in hydraulically expanding tubes152US 4,359,889 AHaskel Engineering & Supply Company · 1982
- Compliant fluidic coolant hat138US 5,388,635 AInternational Business Machines Corporation · 1995