F28D 1/0471
The conduits having a non-circular cross-section
Official title: {the conduits having a non-circular cross-section (F28D1/0473, F28D1/0476, F28D1/0478 take precedence)}
F28D1/0471 (The conduits having a non-circular cross-section) appears on 108 US grants and 145 published applications in this corpus.
Search patents in F28D- Granted patents
- 108
- Published applications
- 145
- Assignees
- 70
- Inventors
- 301
- Latest grant
- 16 Jun 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 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 3 |
| 2011 | 2 | 3 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 7 |
| 2015 | 2 | 4 |
| 2016 | 2 | 5 |
| 2017 | 4 | 11 |
| 2018 | 4 | 9 |
| 2019 | 7 | 10 |
| 2020 | 11 | 20 |
| 2021 | 13 | 13 |
| 2022 | 8 | 15 |
| 2023 | 13 | 13 |
| 2024 | 10 | 9 |
| 2025 | 10 | 7 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Method of manufacturing a motorcycle radiator28US 4,876,778 AToyo Radiator Co., Ltd. · 1989
- Method and apparatus for air-intake cooling in an internal combustion engine24US 5,871,001 APFM Products, Inc. · 1999
- Heat exchanger and method24US 7,921,904 B2Modine Manufacturing Company · 2011
- Heat exchanger and fan motor in a front wheel drive vehicle23US 4,510,991 AMitsubishi Denki Kabushiki Kaisha · 1985
- Ice making machine, evaporator assembly for an ice making machine, and method of manufacturing same23US 7,703,299 B2Manitowoc Foodservice Companies, Inc. · 2010