F28D 3/02
Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the
Official title: with tubular conduits
F28D3/02 (Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the) appears on 148 US grants and 151 published applications in this corpus.
Search patents in F28D- Granted patents
- 148
- Published applications
- 151
- Assignees
- 118
- Inventors
- 387
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 8 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 5 |
| 2007 | 2 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 5 |
| 2010 | 3 | 6 |
| 2011 | 3 | 7 |
| 2012 | 1 | 8 |
| 2013 | 1 | 9 |
| 2014 | 6 | 8 |
| 2015 | 3 | 6 |
| 2016 | 7 | 13 |
| 2017 | 5 | 12 |
| 2018 | 7 | 7 |
| 2019 | 15 | 6 |
| 2020 | 9 | 4 |
| 2021 | 6 | 11 |
| 2022 | 4 | 5 |
| 2023 | 3 | 7 |
| 2024 | 9 | 13 |
| 2025 | 6 | 7 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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- Heat Exchange Assembly for Hydrogenation Device, and Heat Exchange Process11 Jun 2026US 2026/0160498 A1Zhenhai Petrochemical Jianan Engineering Co., Ltd.
Most cited
By later US patents
- Method and apparatus for interacting a gas and liquid on a convoluted array of tubes96US 5,472,044 AE. I. Du Pont de Nemours and Company · 1995
- Heat and mass exchanger94US 7,269,966 B2AIL Reasearch, Inc. · 2007
- Falling film evaporator for a vapor compression refrigeration chiller52US 6,293,112 B1American Standard International Inc. · 2001
- Falling film evaporator with vapor-liquid separator49US 5,561,987 AAmerican Standard Inc. · 1996
- Heat exchanger for a shower or bathtub48US 10,072,897 B2Joulia AG · 2018