F28D 1/0213
For heating or cooling a liquid in a tank
Official title: {for heating or cooling a liquid in a tank}
F28D1/0213 (For heating or cooling a liquid in a tank) appears on 159 US grants and 200 published applications in this corpus.
Search patents in F28D- Granted patents
- 159
- Published applications
- 200
- Assignees
- 153
- Inventors
- 404
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 4 |
| 2004 | 2 | 7 |
| 2005 | 2 | 3 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 1 | 5 |
| 2009 | 2 | 5 |
| 2010 | 3 | 9 |
| 2011 | 0 | 6 |
| 2012 | 2 | 5 |
| 2013 | 4 | 8 |
| 2014 | 4 | 4 |
| 2015 | 3 | 12 |
| 2016 | 4 | 14 |
| 2017 | 10 | 14 |
| 2018 | 9 | 12 |
| 2019 | 15 | 20 |
| 2020 | 9 | 15 |
| 2021 | 15 | 9 |
| 2022 | 5 | 19 |
| 2023 | 10 | 8 |
| 2024 | 12 | 6 |
| 2025 | 3 | 6 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Immersion heat exchangers108US 6,113,154 A2000
- Devices using a medium having a high heat transfer rate103US 7,220,365 B2New Qu Energy Ltd. · 2007
- Method for killing microorganisms70US 5,632,954 AEngelhard/ICC · 1997
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