F28D 15/0233
The conduits having a particular shape
Official title: {the conduits having a particular shape, e.g. non-circular cross-section, annular (F28D15/0241, F28D15/0266 take precedence)}
F28D15/0233 (The conduits having a particular shape) appears on 1,443 US grants and 2,234 published applications in this corpus.
Search patents in F28D- Granted patents
- 1,443
- Published applications
- 2,234
- Assignees
- 681
- Inventors
- 3,230
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 15 | 0 |
| 1990 | 13 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 12 | 0 |
| 2000 | 18 | 0 |
| 2001 | 29 | 14 |
| 2002 | 24 | 39 |
| 2003 | 15 | 40 |
| 2004 | 28 | 39 |
| 2005 | 27 | 65 |
| 2006 | 42 | 58 |
| 2007 | 22 | 77 |
| 2008 | 26 | 76 |
| 2009 | 27 | 91 |
| 2010 | 45 | 79 |
| 2011 | 30 | 100 |
| 2012 | 31 | 97 |
| 2013 | 35 | 100 |
| 2014 | 33 | 70 |
| 2015 | 53 | 77 |
| 2016 | 37 | 71 |
| 2017 | 31 | 95 |
| 2018 | 64 | 87 |
| 2019 | 77 | 122 |
| 2020 | 86 | 161 |
| 2021 | 88 | 118 |
| 2022 | 85 | 120 |
| 2023 | 92 | 130 |
| 2024 | 85 | 113 |
| 2025 | 71 | 117 |
| 2026 | 55 | 78 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Evaporator with orifice insert25 Aug 2026US 12,716,660 B2Hamilton Sundstrand Corporation
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- Three-dimension heat transfer device10 Sep 2026US 2026/0266554 A1Purple Cloud Development Pte. Ltd.
- Electronic device comprising structures for dispersing heat27 Aug 2026US 2026/0255545 A1Samsung Electronics Co., Ltd.
- Pulsating heat pipe module comprising separable flow path plates and manufacturing method thereof20 Aug 2026US 2026/0241497 A1Jnc Materials Co., Ltd
- Electronic equipment cooling system with heat transfer fluid20 Aug 2026US 2026/0242649 A1Enover Isi Sistemleri Anonim Sirketi
Most cited
By later US patents
- Cooled secondary coils of electric automobile charging transformer223US 5,408,209 AHughes Aircraft Company · 1995
- Cooling device with heat pipe167US 6,082,443 AFurukawa Electric Co., Ltd. · 2000
- Thermoelectric power generation systems140US 6,625,990 B2Bsst LLC · 2003
- Thermoelectric device with evaporating/condensing heat exchanger139US 5,737,923 AMarlow Industries, Inc. · 1998
- Jet apparatus having an ink jet head and temperature controller for that head123US 5,512,924 ACanon Kabushiki Kaisha · 1996