F28F 2260/02
Heat exchangers or heat exchange elements having special size: having microchannels
Official title: having microchannels
F28F2260/02 (Heat exchangers or heat exchange elements having special size: having microchannels) appears on 564 US grants and 734 published applications in this corpus.
Search patents in F28F- Granted patents
- 564
- Published applications
- 734
- Assignees
- 350
- Inventors
- 1,493
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 12 | 5 |
| 2002 | 11 | 23 |
| 2003 | 23 | 30 |
| 2004 | 16 | 36 |
| 2005 | 16 | 35 |
| 2006 | 27 | 44 |
| 2007 | 24 | 21 |
| 2008 | 11 | 29 |
| 2009 | 11 | 21 |
| 2010 | 19 | 38 |
| 2011 | 16 | 36 |
| 2012 | 13 | 23 |
| 2013 | 10 | 20 |
| 2014 | 20 | 30 |
| 2015 | 12 | 21 |
| 2016 | 17 | 26 |
| 2017 | 18 | 33 |
| 2018 | 19 | 31 |
| 2019 | 30 | 28 |
| 2020 | 30 | 36 |
| 2021 | 26 | 33 |
| 2022 | 20 | 37 |
| 2023 | 24 | 23 |
| 2024 | 32 | 26 |
| 2025 | 24 | 28 |
| 2026 | 14 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coating composition, coating film, and micro channel type heat exchanger using the same25 Aug 2026US 12,716,663 B2LG Electronics Inc.
- Systems and methods for heat exchange7 Jul 2026US 12,674,630 B2Rheem Manufacturing Company
- Refrigerant heat exchanger with integral multipass and flow distribution technology7 Jul 2026US 12,674,632 B2Intergalactic Spaceworx, LLC
- Heat transfer using ionic pumps19 May 2026US 12,633,506 B2Ventiva, Inc.
- Heat exchanger, electric control box and air conditioning system28 Apr 2026US 12,613,039 B2Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Heat exchange mechanism, processing device, and processing machine1 Oct 2026US 2026/0298553 A1Hon. Precision, Inc.
- Equalizing flow manifold with bernoulli-derived hierarchical geometry, asymmetric inlet/outlet architectures, and modular polygonal flow units, and cooling apparatus including same24 Sep 2026US 2026/0287276 A1HRL Laboratories, LLC
- Equalizing flow manifold with bernoulli-derived hierarchical geometry, asymmetric inlet/outlet architectures, and modular polygonal flow units, and cooling apparatus including same24 Sep 2026US 2026/0287281 A1HRL Laboratories, LLC
- Single-phase to two-phase fluid heat exchangers and systems thereof10 Sep 2026US 2026/0266551 A1Bergstrom, Inc.
- Microtube heat exchanger devices, systems, and methods3 Sep 2026US 2026/0259008 A1Intergalactic Spaceworx, LLC
Most cited
By later US patents
- Fluid circuit components based upon passive fluid dynamics399US 6,296,020 B1BioMicro Systems, Inc. · 2001
- Medical article having fluid control film323US 6,420,622 B13M Innovative Properties Company · 2002
- Multi-channel microfluidic system design with balanced fluid flow distribution305US 6,637,463 B1BioMicro Systems, Inc. · 2003
- Microcomponent chemical process sheet architecture299US 5,811,062 ABattelle Memorial Institute · 1998
- Integrated chemical processing apparatus and processes for the preparation thereof272US 5,534,328 AE. I. Du Pont de Nemours and Company · 1996