F28D 1/035
With u-flow or serpentine-flow inside the conduits
Official title: {with U-flow or serpentine-flow inside the conduits (F28D1/0341 takes precedence)}
F28D1/035 (With u-flow or serpentine-flow inside the conduits) appears on 155 US grants and 202 published applications in this corpus.
Search patents in F28D- Granted patents
- 155
- Published applications
- 202
- Assignees
- 128
- Inventors
- 480
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 5 |
| 2003 | 0 | 0 |
| 2004 | 4 | 5 |
| 2005 | 1 | 1 |
| 2006 | 2 | 5 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 0 | 5 |
| 2012 | 2 | 3 |
| 2013 | 1 | 6 |
| 2014 | 5 | 4 |
| 2015 | 1 | 4 |
| 2016 | 4 | 5 |
| 2017 | 2 | 6 |
| 2018 | 3 | 7 |
| 2019 | 12 | 21 |
| 2020 | 10 | 21 |
| 2021 | 14 | 19 |
| 2022 | 11 | 25 |
| 2023 | 18 | 20 |
| 2024 | 16 | 6 |
| 2025 | 14 | 12 |
| 2026 | 2 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Heat exchanger53US 5,934,367 ASanden Corporation · 1999
- Methods of cooling a fluid using an annular heat exchanger52US 10,184,400 B2General Electric Company · 2019
- Heat exchanger fabricated from polymer compositions49US 4,955,435 ADu Pont Canada Inc. · 1990
- Cooling apparatus for electric motor control unit47US 6,822,353 B2Aisin Aw Co., Ltd. · 2004
- Serpentine heat exchanger41US 4,982,785 AInter-City Products Corporation (USA) · 1991