F28F 1/24
And extending transversely
Official title: and extending transversely (F28F1/38 takes precedence)
F28F1/24 (And extending transversely) appears on 1,466 US grants and 1,900 published applications in this corpus.
Search patents in F28F- Granted patents
- 1,466
- Published applications
- 1,900
- Assignees
- 726
- Inventors
- 3,688
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 11 | 0 |
| 1980 | 13 | 0 |
| 1981 | 7 | 0 |
| 1982 | 11 | 0 |
| 1983 | 5 | 0 |
| 1984 | 17 | 0 |
| 1985 | 7 | 0 |
| 1986 | 14 | 0 |
| 1987 | 17 | 0 |
| 1988 | 16 | 0 |
| 1989 | 17 | 0 |
| 1990 | 13 | 0 |
| 1991 | 17 | 0 |
| 1992 | 15 | 0 |
| 1993 | 17 | 0 |
| 1994 | 12 | 0 |
| 1995 | 14 | 0 |
| 1996 | 18 | 0 |
| 1997 | 18 | 0 |
| 1998 | 27 | 0 |
| 1999 | 24 | 0 |
| 2000 | 20 | 0 |
| 2001 | 25 | 5 |
| 2002 | 21 | 17 |
| 2003 | 21 | 38 |
| 2004 | 28 | 45 |
| 2005 | 29 | 69 |
| 2006 | 51 | 49 |
| 2007 | 26 | 65 |
| 2008 | 22 | 71 |
| 2009 | 20 | 75 |
| 2010 | 32 | 89 |
| 2011 | 26 | 90 |
| 2012 | 26 | 66 |
| 2013 | 25 | 100 |
| 2014 | 24 | 98 |
| 2015 | 42 | 85 |
| 2016 | 50 | 69 |
| 2017 | 66 | 84 |
| 2018 | 73 | 106 |
| 2019 | 78 | 101 |
| 2020 | 68 | 113 |
| 2021 | 71 | 81 |
| 2022 | 78 | 93 |
| 2023 | 63 | 73 |
| 2024 | 61 | 81 |
| 2025 | 56 | 84 |
| 2026 | 35 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat exchanger6 Oct 2026US 12,753,977 B2Kyungdong Navien Co., Ltd.
- Heat exchanger, refrigeration cycle apparatus, and method for manufacturing heat exchanger8 Sep 2026US 12,729,920 B2Mitsubishi Electric Corporation
- Water tank assembly for heating device, and heating device25 Aug 2026US 12,716,614 B2Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd.
- Composite coating film, heat exchanger comprising same, and method for manufacturing heat exchanger25 Aug 2026US 12,716,662 B2LG Electronics Inc.
- Heat exchanger18 Aug 2026US 12,710,233 B2LG Electronics Inc.
- Heat exchanger8 Oct 2026US 2026/0309428 A1Hanon Systems
- Heat exchanger24 Sep 2026US 2026/0287275 A1Daikin Industries, Ltd.
- Secondarily applied cold side features for cast heat exchanger24 Sep 2026US 2026/0287277 A1Rtx Corporation
- Heat exchanger and air conditioner employing the same10 Sep 2026US 2026/0266565 A1Samsung Electronics Co., Ltd.
- Fin, heat exchanger and water heater3 Sep 2026US 2026/0259013 A1Guangdong Midea Kitchen and Bath Appliances Mfg. Co., Ltd.
Most cited
By later US patents
- Heat management system167US 6,351,381 B1Thermal Corp. · 2002
- Heat exchanger, heat pump, dehumidifier, and dehumidifying method148US 6,442,951 B1Ebara Corporation · 2002
- Heat exchanger141US 6,964,296 B2Modine Manufacturing Company · 2005
- Jet apparatus having an ink jet head and temperature controller for that head123US 5,512,924 ACanon Kabushiki Kaisha · 1996
- Turbine engine with intercooler in bypass air passage118US 6,134,880 AConcepts ETI, Inc. · 2000