F28D 9/02
The heat-exchange media travelling at an angle to one another
Official title: the heat-exchange media travelling at an angle to one another (F28D9/04 takes precedence)
F28D9/02 (The heat-exchange media travelling at an angle to one another) appears on 51 US grants and 73 published applications in this corpus.
Search patents in F28D- Granted patents
- 51
- Published applications
- 73
- Assignees
- 54
- Inventors
- 157
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 3 |
| 2016 | 0 | 6 |
| 2017 | 1 | 4 |
| 2018 | 4 | 3 |
| 2019 | 4 | 9 |
| 2020 | 3 | 5 |
| 2021 | 7 | 9 |
| 2022 | 5 | 6 |
| 2023 | 6 | 8 |
| 2024 | 5 | 8 |
| 2025 | 7 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Compact heat exchanger34US 4,569,391 AHarsco Corporation · 1986
- Curved plate/fin heater exchanger21US 10,100,740 B2United Technologies Corporation · 2018
- Heat exchanger designs using variable geometries and configurations19US 10,222,142 B2Honeywell International Inc. · 2019
- Heat exchanger including furcating unit cells13US 10,739,077 B2General Electric Company · 2020
- Heat exchanger for clothes dryer12US 4,095,349 A1978