F28F 2255/00
Heat exchanger elements made of materials having special features or resulting from
Official title: Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
F28F2255/00 (Heat exchanger elements made of materials having special features or resulting from) appears on 1,119 US grants and 1,590 published applications in this corpus.
Search patents in F28F- Granted patents
- 1,119
- Published applications
- 1,590
- Assignees
- 865
- Inventors
- 3,565
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 10 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 14 | 0 |
| 2000 | 6 | 0 |
| 2001 | 12 | 2 |
| 2002 | 6 | 12 |
| 2003 | 6 | 9 |
| 2004 | 8 | 9 |
| 2005 | 5 | 24 |
| 2006 | 15 | 27 |
| 2007 | 16 | 31 |
| 2008 | 8 | 32 |
| 2009 | 7 | 35 |
| 2010 | 12 | 54 |
| 2011 | 18 | 58 |
| 2012 | 18 | 45 |
| 2013 | 28 | 63 |
| 2014 | 24 | 66 |
| 2015 | 23 | 67 |
| 2016 | 33 | 73 |
| 2017 | 52 | 110 |
| 2018 | 55 | 135 |
| 2019 | 104 | 136 |
| 2020 | 108 | 139 |
| 2021 | 96 | 100 |
| 2022 | 82 | 95 |
| 2023 | 75 | 82 |
| 2024 | 67 | 74 |
| 2025 | 63 | 60 |
| 2026 | 37 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F28F 2255/18SinteredIndexing code220
- F28F 2255/02Flexible elementsIndexing code212
- F28F 2255/16ExtrudedIndexing code179
- F28F 2255/14MoldedIndexing code155
- F28F 2255/06CompositeIndexing code92
- F28F 2255/20Heat exchanger elements made of materials having special features or resulting fromIndexing code88
- F28F 2255/04Comprising shape memory alloys or bimetallic elementsIndexing code83
- F28F 2255/08PressedIndexing code56
Recent patents
- Smooth surface hybrid composites29 Sep 2026US 12,746,739 B2The Boeing Company
- Interlocking plate heat exchanger22 Sep 2026US 12,741,309 B2Rtx Corporation
- Flexible heat dissipation device22 Sep 2026US 12,742,600 B2Wistron Corporation
- Heat exchanger turnaround section18 Aug 2026US 12,710,240 B2Hamilton Sundstrand Corporation
- Manufacture of a thermoplastic heat exchanger18 Aug 2026US 12,712,220 B2Sogefi Air & Cooling USA, Inc.
- Smooth surface hybrid composites1 Oct 2026US 2026/0295974 A1The Boeing Company
- Distributor for Refrigerant in a Thermal Management Module24 Sep 2026US 2026/0284738 A1Mahle International GmbH
- Cooling element17 Sep 2026US 2026/0276316 A1Thermal Channel Technologies Oy
- Pipes having topographic inner structures17 Sep 2026US 2026/0276322 A1Karlsruher Institut Fuer Technologie
- A thermal strap and a method for manufacturing a thermal strap27 Aug 2026US 2026/0251409 A1
Most cited
By later US patents
- Forming structures from CAD solid models580US 6,391,251 B1Optomec Design Company · 2002
- Phase change thermal control materials, method and apparatus174US 5,722,482 A1998
- Flexible heat exchangers for medical cooling and warming applications130US 7,077,858 B2Coolhead Technologies, Inc. · 2006
- Annular tube-like driver127US 4,637,436 ARaychem Corporation · 1987
- Method of obtaining a leakproof connection between a tube and a sleeve119US 5,787,933 AABB Reaktor GmbH · 1998