F28F 3/12
Elements constructed in the shape of a hollow panel
Official title: Elements constructed in the shape of a hollow panel, e.g. with channels {(F28D1/02, F28D1/03 take precedence)}
F28F3/12 (Elements constructed in the shape of a hollow panel) appears on 1,620 US grants and 2,178 published applications in this corpus.
Search patents in F28F- Granted patents
- 1,620
- Published applications
- 2,178
- Assignees
- 1,002
- Inventors
- 4,554
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 13 | 0 |
| 1985 | 1 | 0 |
| 1986 | 8 | 0 |
| 1987 | 12 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 17 | 0 |
| 1995 | 8 | 0 |
| 1996 | 15 | 0 |
| 1997 | 13 | 0 |
| 1998 | 11 | 0 |
| 1999 | 23 | 0 |
| 2000 | 22 | 0 |
| 2001 | 20 | 8 |
| 2002 | 13 | 22 |
| 2003 | 21 | 34 |
| 2004 | 23 | 48 |
| 2005 | 26 | 66 |
| 2006 | 43 | 54 |
| 2007 | 33 | 67 |
| 2008 | 25 | 90 |
| 2009 | 29 | 55 |
| 2010 | 50 | 81 |
| 2011 | 32 | 57 |
| 2012 | 36 | 69 |
| 2013 | 42 | 89 |
| 2014 | 51 | 97 |
| 2015 | 44 | 85 |
| 2016 | 70 | 94 |
| 2017 | 71 | 87 |
| 2018 | 64 | 81 |
| 2019 | 90 | 129 |
| 2020 | 76 | 117 |
| 2021 | 94 | 138 |
| 2022 | 77 | 128 |
| 2023 | 95 | 124 |
| 2024 | 105 | 121 |
| 2025 | 94 | 129 |
| 2026 | 55 | 108 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cold plate and method for manufacturing cold plate6 Oct 2026US 12,753,978 B2Fujikura Ltd.
- Heat-dissipating waterproof structure8 Sep 2026US 12,733,119 B2NEC Platforms, Ltd.
- Heat exchanger for air cooling1 Sep 2026US 12,723,819 B2Valeo Autosystemy Sp. z o.o.
- Vapor chamber25 Aug 2026US 12,716,658 B2Purple Cloud Development Pte. Ltd.
- Battery, power consuming apparatus, and method and apparatus for manufacturing battery25 Aug 2026US 12,719,123 B2Contemporary Amperex Technology (Hong Kong) Limited
- Heat exchanger8 Oct 2026US 2026/0309434 A1
- Heat exchange mechanism, processing device, and processing machine1 Oct 2026US 2026/0298553 A1Hon. Precision, Inc.
- Liquid-cooling heat exchange device1 Oct 2026US 2026/0298556 A1Thermasol Technology Co., Ltd.
- Heat sink assembly and heat sink24 Sep 2026US 2026/0287278 A1Hyundai Mobis Co., Ltd.
- Liquid cooling plate assembly24 Sep 2026US 2026/0287279 A1Delta Electronics, Inc.
Most cited
By later US patents
- Temperature controlled gas distribution plate456US 6,379,466 B1APPLIED Materials.Inc. · 2002
- Ergonomic systems and methods providing intelligent adaptive surfaces and temperature control392US 6,230,501 B1ProMXD Technology, Inc. · 2001
- Medical article having fluid control film323US 6,420,622 B13M Innovative Properties Company · 2002
- Apparatus for producing a three-dimensional object301US 5,753,274 AEOS GmbH Electronics Optical Systems · 1998
- Ergonomic systems and methods providing intelligent adaptive surfaces and temperature control226US 6,865,825 B2ProMDX Technology, Inc. · 2005