F28F 1/025
With variable shape
Official title: {with variable shape, e.g. with modified tube ends, with different geometrical features (F28F1/06, F28F1/08, F28F9/16, F28F9/18 take precedence)}
F28F1/025 (With variable shape) appears on 221 US grants and 346 published applications in this corpus.
Search patents in F28F- Granted patents
- 221
- Published applications
- 346
- Assignees
- 154
- Inventors
- 807
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 3 |
| 2005 | 1 | 12 |
| 2006 | 6 | 2 |
| 2007 | 1 | 6 |
| 2008 | 3 | 10 |
| 2009 | 1 | 4 |
| 2010 | 4 | 10 |
| 2011 | 4 | 8 |
| 2012 | 4 | 5 |
| 2013 | 1 | 8 |
| 2014 | 5 | 21 |
| 2015 | 7 | 6 |
| 2016 | 6 | 15 |
| 2017 | 7 | 19 |
| 2018 | 14 | 26 |
| 2019 | 14 | 20 |
| 2020 | 14 | 25 |
| 2021 | 17 | 26 |
| 2022 | 15 | 24 |
| 2023 | 17 | 25 |
| 2024 | 18 | 28 |
| 2025 | 20 | 19 |
| 2026 | 10 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plate with flow channel1 Sep 2026US 12,723,816 B2NHK Spring Co., Ltd.
- Heat exchanger, air-conditioning apparatus equipped with heat exchanger, and method of manufacturing heat exchanger12 May 2026US 12,624,898 B2Mitsubishi Electric Corporation
- Conformable cold plate for fluid cooling applications7 Apr 2026US 12,598,725 B2Intel Corporation
- Heat exchanger24 Mar 2026US 12,584,694 B2Edwards Limited
- Heat exchanger and air conditioning system having same24 Mar 2026US 12,584,699 B2Danfoss A/S
- Fin and heat exchanger10 Sep 2026US 2026/0266564 A1Zhejiang Dunan Artificial Environment Co., Ltd.
- Heat exchanger and air conditioner employing the same10 Sep 2026US 2026/0266565 A1Samsung Electronics Co., Ltd.
- Liquid cooling device and battery pack27 Aug 2026US 2026/0253997 A1Eve Energy Co., Ltd.
- Heat spreader20 Aug 2026US 2026/0243519 A1Conflux Technology Pty Ltd
- Flat Heat Exchange Tube, Heat Exchanger, And Construction Machine23 Jul 2026US 2026/0210639 A1Caterpillar Inc.
Most cited
By later US patents
- Heat exchanger50US 5,531,268 AShowa Aluminum Corporation · 1996
- Heat exchanger and method for manufacturing the heat exchanger45US 5,099,576 ASanden Corporation · 1992
- Evaporative heat exchanger with elliptical tube coil assembly31US 4,755,331 AEvapco, Inc. · 1988
- Heat-conducting oval pipes in heat exchangers27US 4,206,806 A1980
- Heat exchanger having multi-hole structured tube25US 6,340,055 B12002