F28D 2001/0273
Having special shape
Official title: {having special shape, e.g. curved, annular}
F28D2001/0273 (Having special shape) appears on 150 US grants and 187 published applications in this corpus.
Search patents in F28D- Granted patents
- 150
- Published applications
- 187
- Assignees
- 95
- Inventors
- 406
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 2 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 3 | 3 |
| 2006 | 1 | 4 |
| 2007 | 2 | 7 |
| 2008 | 0 | 6 |
| 2009 | 1 | 5 |
| 2010 | 3 | 5 |
| 2011 | 5 | 9 |
| 2012 | 2 | 3 |
| 2013 | 2 | 3 |
| 2014 | 2 | 7 |
| 2015 | 2 | 5 |
| 2016 | 1 | 6 |
| 2017 | 3 | 12 |
| 2018 | 8 | 9 |
| 2019 | 14 | 9 |
| 2020 | 11 | 22 |
| 2021 | 11 | 10 |
| 2022 | 15 | 21 |
| 2023 | 8 | 17 |
| 2024 | 18 | 7 |
| 2025 | 8 | 7 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal management system and method25 Aug 2026US 12,716,656 B2Transportation IP Holdings, LLC
- Refrigerator16 Jun 2026US 12,656,046 B2LG Electronics Inc.
- Heat exchanger3 Feb 2026US 12,540,776 B2Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd.
- Microtube heat exchanger devices, systems and methods21 Oct 2025US 12,449,202 B2Intergalactic Spaceworx, LLC
- Aircraft heat exchanger7 Oct 2025US 12,435,928 B2Rtx Corporation
- Microtube heat exchanger devices, systems, and methods3 Sep 2026US 2026/0259008 A1Intergalactic Spaceworx, LLC
- Air handler assembly including v-shaped baffle18 Jun 2026US 2026/0168744 A1Mitsubishi Electric US, Inc.
- Aircraft Heat Exchanger29 Jan 2026US 2026/0029200 A1Rtx Corporation
- Aircraft Heat Exchanger15 Jan 2026US 2026/0015972 A1Rtx Corporation
- Microtube heat exchanger devices, systems, and methods18 Dec 2025US 2025/0383155 A1Intergalactic Spaceworx, LLC
Most cited
By later US patents
- Electronic enclosure cooling system178US 6,462,949 B1ThermoTek, Inc. · 2002
- Cooling-air ducting system in the front-end space of a motor vehicle55US 5,046,550 AMercedes-Benz AG · 1991
- Curved heat exchanger with low frontal area tube passes40US 5,172,752 A1992
- Toroidal multifluid segmented heat exchanger35US 4,062,401 AInternational Harvester Company · 1977
- Modular annular heat exchanger33US 10,443,436 B2General Electric Company · 2019