F28D 1/0478
The conduits having a non-circular cross-section
Official title: {the conduits having a non-circular cross-section}
F28D1/0478 (The conduits having a non-circular cross-section) appears on 157 US grants and 196 published applications in this corpus.
Search patents in F28D- Granted patents
- 157
- Published applications
- 196
- Assignees
- 109
- Inventors
- 558
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 6 |
| 2003 | 2 | 6 |
| 2004 | 3 | 8 |
| 2005 | 2 | 11 |
| 2006 | 7 | 4 |
| 2007 | 4 | 4 |
| 2008 | 1 | 8 |
| 2009 | 3 | 6 |
| 2010 | 1 | 3 |
| 2011 | 0 | 12 |
| 2012 | 0 | 4 |
| 2013 | 2 | 4 |
| 2014 | 4 | 6 |
| 2015 | 1 | 7 |
| 2016 | 5 | 7 |
| 2017 | 5 | 6 |
| 2018 | 6 | 16 |
| 2019 | 7 | 8 |
| 2020 | 10 | 12 |
| 2021 | 8 | 7 |
| 2022 | 5 | 7 |
| 2023 | 7 | 8 |
| 2024 | 5 | 12 |
| 2025 | 7 | 10 |
| 2026 | 3 | 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
- CPU cooling system192US 6,166,907 A2000
- Heat exchanger141US 6,964,296 B2Modine Manufacturing Company · 2005
- Flat, multi-luminal tube for cross-flow-type indirect heat exchanger, having greater outer wall thickness towards side externally subject to corrosive inlet gas such as wet, salty air60US 4,570,700 ANippondenso Co., Ltd. · 1986
- Condenser with small hydraulic diameter flow path59US 4,998,580 AModine Manufacturing Company · 1991
- Evaporator or evaporator/condenser59US 5,279,360 AModine Manufacturing Company · 1994