F28D 7/1638
With particular pattern of flow or the heat exchange medium flowing inside
Official title: {with particular pattern of flow or the heat exchange medium flowing inside the conduits assemblies, e.g. change of flow direction from one conduit assembly to another one (F28D7/1661, F28D7/1676 take precedence)}
F28D7/1638 (With particular pattern of flow or the heat exchange medium flowing inside) appears on 93 US grants and 118 published applications in this corpus.
Search patents in F28D- Granted patents
- 93
- Published applications
- 118
- Assignees
- 92
- Inventors
- 279
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 3 | 4 |
| 2006 | 2 | 1 |
| 2007 | 2 | 6 |
| 2008 | 3 | 2 |
| 2009 | 1 | 4 |
| 2010 | 1 | 4 |
| 2011 | 5 | 4 |
| 2012 | 1 | 3 |
| 2013 | 0 | 2 |
| 2014 | 1 | 6 |
| 2015 | 2 | 4 |
| 2016 | 1 | 5 |
| 2017 | 2 | 8 |
| 2018 | 3 | 4 |
| 2019 | 4 | 8 |
| 2020 | 6 | 9 |
| 2021 | 4 | 9 |
| 2022 | 10 | 8 |
| 2023 | 3 | 5 |
| 2024 | 8 | 8 |
| 2025 | 3 | 3 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat exchanger and assembly method therefor15 Sep 2026US 12,736,290 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Refrigerant heat exchanger with integral multipass and flow distribution technology7 Jul 2026US 12,674,632 B2Intergalactic Spaceworx, LLC
- Vertical vapor generator17 Mar 2026US 12,578,149 B2
- Evaporator3 Feb 2026US 12,540,378 B2Tyco Fire & Security GmbH
- Heat exchanger assembly formed of a lattice structure with a plurality of shell structure unit cells7 Oct 2025US 12,435,932 B2General Electric Company
- Condensing device and heat pump system comprising same20 Aug 2026US 2026/0243480 A1
- Evaporator2 Jul 2026US 2026/0185192 A1Tyco Fire & Security GmbH
- Heat exchanger for hvac&r system19 Feb 2026US 2026/0049769 A1Johnson Controls Air Conditioning and Refrigeration (Wuxi) Co., Ltd.
- Shell and tube heat exchangers22 Jan 2026US 2026/0022892 A1Enaxiom Pty Ltd.
- Matrix for an Air-Oil Heat Exchanger of a Jet Engine2 Oct 2025US 2025/0305775 A1Safran Aero Boosters SA
Most cited
By later US patents
- Flow reactors for chemical conversions with heterogeneous catalysts47US 7,316,804 B2Ineos USA LLC · 2008
- Flow reactors for chemical conversions with heterogeneous catalysts47US 8,232,415 B2BP Corporation North America Inc. · 2012
- Flow reactors for chemical conversions with heterogeneous catalysts46US 8,080,215 B2BP Corporation North America Inc. · 2011
- Shell and tube heat exchanger42US 4,871,014 ATUI Industries · 1989
- End bonnets for shell and tube DX evaporator39US 6,883,347 B22005