F28F 21/06
Constructions of heat-exchange apparatus characterised by the selection of particular materials: of
Official title: of plastics material
F28F21/06 (Constructions of heat-exchange apparatus characterised by the selection of particular materials: of) appears on 934 US grants and 941 published applications in this corpus.
Search patents in F28F- Granted patents
- 934
- Published applications
- 941
- Assignees
- 653
- Inventors
- 2,371
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 7 | 0 |
| 1978 | 13 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 11 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 14 | 0 |
| 1987 | 19 | 0 |
| 1988 | 24 | 0 |
| 1989 | 18 | 0 |
| 1990 | 20 | 0 |
| 1991 | 12 | 0 |
| 1992 | 14 | 0 |
| 1993 | 20 | 0 |
| 1994 | 19 | 0 |
| 1995 | 12 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 22 | 0 |
| 1999 | 24 | 0 |
| 2000 | 16 | 0 |
| 2001 | 18 | 6 |
| 2002 | 23 | 22 |
| 2003 | 14 | 28 |
| 2004 | 14 | 33 |
| 2005 | 13 | 23 |
| 2006 | 23 | 32 |
| 2007 | 19 | 28 |
| 2008 | 8 | 29 |
| 2009 | 8 | 17 |
| 2010 | 7 | 37 |
| 2011 | 10 | 39 |
| 2012 | 13 | 29 |
| 2013 | 22 | 33 |
| 2014 | 13 | 49 |
| 2015 | 23 | 57 |
| 2016 | 34 | 54 |
| 2017 | 31 | 58 |
| 2018 | 47 | 57 |
| 2019 | 49 | 56 |
| 2020 | 37 | 46 |
| 2021 | 43 | 43 |
| 2022 | 40 | 46 |
| 2023 | 35 | 51 |
| 2024 | 27 | 29 |
| 2025 | 19 | 21 |
| 2026 | 16 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Heat exchanger and assembly method therefor15 Sep 2026US 12,736,290 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Manufacture of a thermoplastic heat exchanger18 Aug 2026US 12,712,220 B2Sogefi Air & Cooling USA, Inc.
- Laminate11 Aug 2026US 12,703,777 B2Daicel Corporation
- Double plate heat exchanger21 Jul 2026US 12,687,343 B2Danfoss A/S
- Improvements in and relating to nucleation agent compositions and nucleation agent pieces and methods for nucleating phase change materials (pcms)24 Sep 2026US 2026/0287274 A1Sunamp Limited
- Single-phase to two-phase fluid heat exchangers and systems thereof10 Sep 2026US 2026/0266551 A1Bergstrom, Inc.
- Cooling heat exchanger27 Aug 2026US 2026/0251404 A1Sumitomo Riko Company Limited
- Partition member for total heat exchange element, total heat exchange element using same, and method for producing partition member for total heat exchange element27 Aug 2026US 2026/0251410 A1Oji Holdings Corporation
- Apparatus, System and Method for Heat Exchanger End Plate Erosion Resistance13 Aug 2026US 2026/0235371 A1Westermeyer Industries Inc.
Most cited
By later US patents
- Medical article having fluid control film323US 6,420,622 B13M Innovative Properties Company · 2002
- Cooling system for therapeutic catheter262US 6,019,783 AAlsius Corporation · 2000
- Microchanneled active fluid transport devices184US 6,290,685 B13M Innovative Properties Company · 2001
- Patient temperature control system with make-up fluid supply184US 6,620,187 B2Medivance Incorporated · 2003
- Patient temperature control system with fluid pressure maintenance171US 6,645,232 B2Medivance Incorporated · 2003