F28D 1/0473
The conduits having a non-circular cross-section
Official title: {the conduits having a non-circular cross-section}
F28D1/0473 (The conduits having a non-circular cross-section) appears on 29 US grants and 41 published applications in this corpus.
Search patents in F28D- Granted patents
- 29
- Published applications
- 41
- Assignees
- 29
- Inventors
- 90
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 4 |
| 2018 | 4 | 0 |
| 2019 | 1 | 3 |
| 2020 | 1 | 2 |
| 2021 | 4 | 4 |
| 2022 | 1 | 6 |
| 2023 | 6 | 2 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Heat exchanger having microchannel tubing and spine fin heat transfer surface29US 5,967,228 AAmerican Standard Inc. · 1999
- Heat exchanger and fan motor in a front wheel drive vehicle23US 4,510,991 AMitsubishi Denki Kabushiki Kaisha · 1985
- Heat exchange coil7US 4,981,171 ARite Coil, Inc. · 1991
- Planetary carrier pinion pin retainer plate5US 8,251,862 B2GM Global Technology Operations LLC · 2012
- Interlaced heat exchanger3US 11,047,625 B2Johnson Controls Technology Company · 2021