F28D 1/02
Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the
Official title: with heat-exchange conduits immersed in the body of fluid
F28D1/02 (Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the) appears on 5,184 US grants and 6,457 published applications in this corpus.
Search patents in F28D- Granted patents
- 5,184
- Published applications
- 6,457
- Assignees
- 1,870
- Inventors
- 10,936
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 21 | 0 |
| 1978 | 15 | 0 |
| 1979 | 14 | 0 |
| 1980 | 18 | 0 |
| 1981 | 26 | 0 |
| 1982 | 26 | 0 |
| 1983 | 24 | 0 |
| 1984 | 30 | 0 |
| 1985 | 30 | 0 |
| 1986 | 33 | 0 |
| 1987 | 35 | 0 |
| 1988 | 14 | 0 |
| 1989 | 28 | 0 |
| 1990 | 38 | 0 |
| 1991 | 39 | 0 |
| 1992 | 56 | 0 |
| 1993 | 57 | 0 |
| 1994 | 54 | 0 |
| 1995 | 49 | 0 |
| 1996 | 62 | 0 |
| 1997 | 66 | 0 |
| 1998 | 67 | 0 |
| 1999 | 89 | 0 |
| 2000 | 87 | 0 |
| 2001 | 125 | 49 |
| 2002 | 86 | 112 |
| 2003 | 91 | 105 |
| 2004 | 87 | 155 |
| 2005 | 100 | 202 |
| 2006 | 130 | 185 |
| 2007 | 88 | 221 |
| 2008 | 61 | 214 |
| 2009 | 66 | 214 |
| 2010 | 86 | 201 |
| 2011 | 82 | 241 |
| 2012 | 87 | 188 |
| 2013 | 97 | 227 |
| 2014 | 105 | 266 |
| 2015 | 121 | 318 |
| 2016 | 154 | 300 |
| 2017 | 211 | 296 |
| 2018 | 277 | 346 |
| 2019 | 308 | 359 |
| 2020 | 280 | 415 |
| 2021 | 306 | 347 |
| 2022 | 287 | 395 |
| 2023 | 262 | 343 |
| 2024 | 289 | 302 |
| 2025 | 265 | 273 |
| 2026 | 141 | 183 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F28D 1/04With tubular conduits3,788
- F28D 1/03With plate-like or laminated conduits1,139
- F28D 1/0233With air flow channels422
- F28D 1/0206Heat exchangers immersed in a large body of liquid282
- F28D 2001/0253Particular componentsIndexing code278
- F28D 1/0246Heat-exchange elements having several adjacent conduits forming a whole126
- F28D 1/0226With an intermediate heat-transfer medium40
Recent patents
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- Heat pump air-conditioning system and vehicle8 Oct 2026US 2026/0307459 A1Beijing CHJ Information Technology Co., LTD.
- Sheet membrane apparatus8 Oct 2026US 2026/0309425 A1Baltimore Aircoil Company, Inc.
- Composite Heat Exchanger8 Oct 2026US 2026/0309426 A1Hyundai Wia Corporation
- Heat exchanger for automobiles8 Oct 2026US 2026/0309427 A1Estra Automotive Systems Co., Ltd.
- Heat exchanger8 Oct 2026US 2026/0309428 A1Hanon Systems
Most cited
By later US patents
- CPU cooling system192US 6,166,907 A2000
- Electronic enclosure cooling system178US 6,462,949 B1ThermoTek, Inc. · 2002
- Heat exchanger141US 6,964,296 B2Modine Manufacturing Company · 2005
- Disposable cassette for intravascular heat exchange catheter130US 6,673,098 B1Radiant Medical, Inc. · 2004
- Case and rack system for liquid submersion cooling of electronic devices connected in an array118US 7,905,106 B2Hardcore Computer, Inc. · 2011