F28D 9/00
Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange
Official title: Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall {(F28F3/083, F28F3/086 take precedence)}
F28D9/00 (Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange) appears on 3,152 US grants and 3,612 published applications in this corpus.
Search patents in F28D- Granted patents
- 3,152
- Published applications
- 3,612
- Assignees
- 1,325
- Inventors
- 6,503
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 15 | 0 |
| 1978 | 21 | 0 |
| 1979 | 14 | 0 |
| 1980 | 15 | 0 |
| 1981 | 30 | 0 |
| 1982 | 27 | 0 |
| 1983 | 26 | 0 |
| 1984 | 31 | 0 |
| 1985 | 24 | 0 |
| 1986 | 20 | 0 |
| 1987 | 19 | 0 |
| 1988 | 20 | 0 |
| 1989 | 25 | 0 |
| 1990 | 16 | 0 |
| 1991 | 29 | 0 |
| 1992 | 25 | 0 |
| 1993 | 32 | 0 |
| 1994 | 29 | 0 |
| 1995 | 33 | 0 |
| 1996 | 42 | 0 |
| 1997 | 32 | 0 |
| 1998 | 55 | 0 |
| 1999 | 43 | 0 |
| 2000 | 54 | 0 |
| 2001 | 78 | 33 |
| 2002 | 61 | 82 |
| 2003 | 60 | 101 |
| 2004 | 52 | 105 |
| 2005 | 74 | 101 |
| 2006 | 85 | 105 |
| 2007 | 64 | 100 |
| 2008 | 46 | 111 |
| 2009 | 40 | 92 |
| 2010 | 55 | 133 |
| 2011 | 49 | 117 |
| 2012 | 62 | 141 |
| 2013 | 75 | 140 |
| 2014 | 72 | 154 |
| 2015 | 76 | 193 |
| 2016 | 103 | 200 |
| 2017 | 131 | 170 |
| 2018 | 169 | 193 |
| 2019 | 187 | 229 |
| 2020 | 156 | 190 |
| 2021 | 153 | 199 |
| 2022 | 145 | 167 |
| 2023 | 128 | 175 |
| 2024 | 142 | 158 |
| 2025 | 122 | 132 |
| 2026 | 75 | 91 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F28D 9/0031The conduits for one heat-exchange medium being formed by paired plates touching1,600
- F28D 9/0062The conduits for one heat-exchange medium being formed by spaced plates with732
- F28D 9/0093Multi-circuit heat-exchangers448
- F28D 9/0012The apparatus having an annular form291
- F28D 9/0006The plate-like or laminated conduits being enclosed within a pressure vessel234
- F28D 9/0025The conduits being formed by zig-zag bend plates187
- F28D 9/04The conduits being formed by spirally-wound plates or laminae154
- F28D 9/0081The conduits for one heat-exchange medium being formed by a single plate-like125
Recent patents
- Designs and applications of a low-drag, high-efficiency microchannel polymer heat exchanger6 Oct 2026US 12,753,981 B2The Regents of the University of California
- Interlocking plate heat exchanger22 Sep 2026US 12,741,309 B2Rtx Corporation
- Annular plate-fin heat exchanger22 Sep 2026US 12,742,597 B2Hamilton Sundstrand Corporation
- Heat exchanger8 Sep 2026US 12,728,694 B2Aptiv Technologies AG
- Fluid management apparatus and thermal management system8 Sep 2026US 12,728,696 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Heat exchanger core with integrated distributer arrangement8 Oct 2026US 2026/0309433 A1Honeywell International Inc.
- Stackable Aftercooler System1 Oct 2026US 2026/0298555 A1Powerex-Iwata Air Technology, Inc.
- Ventilation apparatus24 Sep 2026US 2026/0287204 A1Samsung Electronics Co., Ltd.
- A coupling device, a kit, and a heat transfer arrangement comprising the same17 Sep 2026US 2026/0276325 A1Qvantum Industries AB
- Thermal management apparatus having reduced complexity for use in thermal management system10 Sep 2026US 2026/0264473 A1BorgWarner Inc.
Most cited
By later US patents
- Cooling disk unit for use in a wafer chucking device535US 6,499,533 B2Sumitomo Heavy Industries, Ltd. · 2002
- Microcomponent chemical process sheet architecture299US 5,811,062 ABattelle Memorial Institute · 1998
- Integrated chemical processing apparatus and processes for the preparation thereof272US 5,534,328 AE. I. Du Pont de Nemours and Company · 1996
- Integrated multilayered microfludic devices and methods for making the same242US 6,572,830 B1Motorola, Inc. · 2003
- Multilayered microfluidic DNA analysis system and method238US 6,544,734 B12003