F28F 9/182
The heat-exchange conduits having ends with a particular shape
Official title: {the heat-exchange conduits having ends with a particular shape, e.g. deformed; the heat-exchange conduits or end plates having supplementary joining means, e.g. abutments}
F28F9/182 (The heat-exchange conduits having ends with a particular shape) appears on 184 US grants and 143 published applications in this corpus.
Search patents in F28F- Granted patents
- 184
- Published applications
- 143
- Assignees
- 113
- Inventors
- 472
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 10 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 3 |
| 2002 | 4 | 8 |
| 2003 | 4 | 7 |
| 2004 | 8 | 6 |
| 2005 | 4 | 15 |
| 2006 | 7 | 9 |
| 2007 | 3 | 4 |
| 2008 | 5 | 2 |
| 2009 | 3 | 4 |
| 2010 | 0 | 9 |
| 2011 | 1 | 2 |
| 2012 | 2 | 1 |
| 2013 | 0 | 3 |
| 2014 | 4 | 3 |
| 2015 | 4 | 9 |
| 2016 | 4 | 9 |
| 2017 | 4 | 6 |
| 2018 | 8 | 7 |
| 2019 | 7 | 5 |
| 2020 | 5 | 10 |
| 2021 | 9 | 5 |
| 2022 | 3 | 4 |
| 2023 | 4 | 4 |
| 2024 | 4 | 7 |
| 2025 | 4 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Condenser for use in a car cooling system81US 4,825,941 AShowa Aluminum Corporation · 1989
- Differential coatings for microextruded tubes used in parallel flow heat exchangers56US 5,544,698 APeerless of America, Inc. · 1996
- Combination radiator and condenser apparatus for motor vehicle55US 5,009,262 AGeneral Motors Corporation · 1991
- Flat tube heat exchanger, method of making the same and flat tubes for the heat exchanger43US 5,251,692 AThermal-Werke Warme-, Kalte-, Klimatechnik GmbH · 1993
- Heat exchanger core construction utilizing a diamond-shaped tube-to-header joint configuration41US 4,730,669 ALong Manufacturing Ltd. · 1988