F28F 9/268
By permanent joints
Official title: {by permanent joints, e.g. by welding}
F28F9/268 (By permanent joints) appears on 22 US grants and 38 published applications in this corpus.
Search patents in F28F- Granted patents
- 22
- Published applications
- 38
- Assignees
- 31
- Inventors
- 95
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 5 |
| 2016 | 0 | 0 |
| 2017 | 1 | 3 |
| 2018 | 3 | 7 |
| 2019 | 3 | 2 |
| 2020 | 2 | 2 |
| 2021 | 3 | 2 |
| 2022 | 2 | 3 |
| 2023 | 0 | 4 |
| 2024 | 3 | 4 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Thermal module assembling structure14 Oct 2025US 12,442,600 B2Asia Vital Components Co., Ltd.
- Heat exchanger and manufacturing method thereof6 May 2025US 12,292,240 B2Hangzhou Sanhua Research Institute Co., Ltd.
- Heat dissipation device assembly19 Nov 2024US 12,146,714 B2Asia Vital Components Co., Ltd.
- Heat exchanger and vehicle air conditioning system13 Aug 2024US 12,059,945 B2Hanon Systems
- Heat exchanger23 Jul 2024US 12,044,479 B2Zhejiang DunAn Artificial EnvironmentCo., Ltd.
- Radiator and Connector5 Dec 2024US 2024/0401888 A1Tyco Electronics (Shanghai) Co., Ltd.
- Connecting Tube and Heat Exchanger7 Nov 2024US 2024/0369314 A1Zhejiang Dunan Artificial Environment Co., Ltd.
- Thermal regulation device for cooling electrical energy storage means17 Oct 2024US 2024/0347809 A1Valeo Systemes Thermiques
- Heat exchanger and manufacturing method thereof4 Jul 2024US 2024/0219123 A1Hangzhou Sanhua Research Institute Co., Ltd.
- Heat exchanger module, method for manufacturing such a module and tubular heat exchanger comprising such modules17 Aug 2023US 2023/0258408 A1
Most cited
By later US patents
- Method of making heat exchanger coil14US 4,186,474 AWestinghouse Electric Corp. · 1980
- Brazed aluminum heat exchanger14US 6,886,349 B1Lennox Manufacturing Inc. · 2005
- Plate-fin heat exchanger core design for improved manufacturing9US 10,926,364 B2Hamilton Sundstrand Corporation · 2021
- Brazed aluminum radiator with PTO section and method of making the same4US 7,552,756 B2Modine Manufacturing Company · 2009
- Heat exchanger and production method therefor2US 10,041,740 B2T. Rad Co., Ltd. · 2018