F28D 9/0056
With u-flow or serpentine-flow inside conduits
Official title: {with U-flow or serpentine-flow inside conduits; with centrally arranged openings on the plates}
F28D9/0056 (With u-flow or serpentine-flow inside conduits) appears on 155 US grants and 238 published applications in this corpus.
Search patents in F28D- Granted patents
- 155
- Published applications
- 238
- Assignees
- 107
- Inventors
- 486
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 5 |
| 2003 | 0 | 3 |
| 2004 | 0 | 3 |
| 2005 | 4 | 4 |
| 2006 | 2 | 3 |
| 2007 | 3 | 6 |
| 2008 | 2 | 3 |
| 2009 | 3 | 3 |
| 2010 | 1 | 5 |
| 2011 | 1 | 3 |
| 2012 | 4 | 3 |
| 2013 | 3 | 11 |
| 2014 | 2 | 11 |
| 2015 | 4 | 16 |
| 2016 | 4 | 15 |
| 2017 | 6 | 13 |
| 2018 | 20 | 10 |
| 2019 | 10 | 27 |
| 2020 | 17 | 24 |
| 2021 | 16 | 18 |
| 2022 | 18 | 7 |
| 2023 | 5 | 9 |
| 2024 | 8 | 12 |
| 2025 | 7 | 14 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat exchanger for an electronic control unit18 Aug 2026US 12,710,237 B2Valeo Systemes Thermiques
- Heat-treatment module for a vehicle heat-treatment system16 Jun 2026US 12,654,510 B2Valeo Systemes Thermiques
- Heat-energy exchange device comprising two plate heat exchangers26 May 2026US 12,636,929 B2Valeo Systemes Thermiques
- Printed circuit-type heat exchanger having integral structure19 May 2026US 12,631,404 B2Doosan Enerbility Co., Ltd.
- Heat exchanger for a motor vehicle7 Apr 2026US 12,595,969 B2Valeo Klimasysteme GmbH
- Stackable Aftercooler System1 Oct 2026US 2026/0298555 A1Powerex-Iwata Air Technology, Inc.
- Single-phase to two-phase fluid heat exchangers and systems thereof10 Sep 2026US 2026/0266551 A1Bergstrom, Inc.
- A plate heat exchanger, a heat exchanging plate and a method of treating a feed such as sea water6 Aug 2026US 2026/0225920 A1Alfa Laval Corporate AB
- Three-dimensional hollow heat exchanger and its applications16 Jul 2026US 2026/0202151 A1Zhejiang Normal University
- Heat exchanger9 Jul 2026US 2026/0194301 A1Denso Corporation
Most cited
By later US patents
- Plate type heat exchanger44US 4,249,597 AGeneral Motors Corporation · 1981
- EGR cooler with dual coolant loop37US 7,380,544 B2Modine Manufacturing Company · 2008
- Self-enclosing heat exchanger with crimped turbulizer36US 6,340,053 B12002
- Self-enclosing heat exchangers28US 6,199,626 B1Long Manufacturing Ltd. · 2001
- Microchannel reactors with temperature control25US 7,297,324 B2Battelle Memorial Institute · 2007