F28F 2215/12
Fins: with u-shaped slots for laterally inserting conduits
Official title: with U-shaped slots for laterally inserting conduits
F28F2215/12 (Fins: with u-shaped slots for laterally inserting conduits) appears on 111 US grants and 170 published applications in this corpus.
Search patents in F28F- Granted patents
- 111
- Published applications
- 170
- Assignees
- 47
- Inventors
- 329
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 2 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 5 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 3 |
| 2010 | 2 | 2 |
| 2011 | 1 | 4 |
| 2012 | 1 | 4 |
| 2013 | 2 | 9 |
| 2014 | 1 | 9 |
| 2015 | 1 | 12 |
| 2016 | 4 | 7 |
| 2017 | 9 | 8 |
| 2018 | 4 | 12 |
| 2019 | 13 | 11 |
| 2020 | 10 | 21 |
| 2021 | 11 | 10 |
| 2022 | 11 | 15 |
| 2023 | 9 | 5 |
| 2024 | 8 | 2 |
| 2025 | 4 | 13 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat exchanger and heat pump device19 May 2026US 12,631,374 B2Daikin Industries, Ltd.
- Fin assembling method24 Feb 2026US 12,560,391 B2Daikin Industries, Ltd.
- Heat exchanger26 Aug 2025US 12,398,956 B2Daikin Industries, Ltd.
- Heat transfer tube and heat exchanger27 May 2025US 12,313,341 B2Daikin Industries, Ltd.
- Flat tube, multi-channel heat exchanger, and air conditioning and refrigeration system27 May 2025US 12,313,348 B2Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd.
- Heat exchanger27 Aug 2026US 2026/0251397 A1
- Heat exchanger, method for manufacturing the same, and refrigeration apparatus6 Aug 2026US 2026/0227137 A1Daikin Industries, Ltd.
- Heat exchanger and refrigeration apparatus30 Jul 2026US 2026/0218996 A1Daikin Industries, Ltd.
- Refrigeration cycle apparatus23 Jul 2026US 2026/0210610 A1Daikin Industries, Ltd.
- Heat exchanger and air conditioner comprising same23 Jul 2026US 2026/0210648 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Heat exchanger141US 6,964,296 B2Modine Manufacturing Company · 2005
- Duplex heat exchanger48US 5,529,116 AShowa Aluminum Corporation · 1996
- Evaporator for home refrigerator25US 5,157,941 AWhirlpool Corporation · 1992
- Foul-resistant condenser using microchannel tubing25US 7,000,415 B2Carrier Commercial Refrigeration, Inc. · 2006
- Heat exchanger assembly with integral fin unit22US 4,778,004 APeerless of America, Inc. · 1988