F28F 9/26
Arrangements for connecting different sections of heat-exchange elements
Official title: Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators (connecting different sections in water heaters F24H9/14 {, connecting headers with inlet or outlet fittings F28F9/0246})
F28F9/26 (Arrangements for connecting different sections of heat-exchange elements) appears on 762 US grants and 864 published applications in this corpus.
Search patents in F28F- Granted patents
- 762
- Published applications
- 864
- Assignees
- 523
- Inventors
- 2,059
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 5 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 13 | 0 |
| 1997 | 5 | 0 |
| 1998 | 15 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 11 | 3 |
| 2002 | 8 | 11 |
| 2003 | 10 | 11 |
| 2004 | 8 | 16 |
| 2005 | 8 | 22 |
| 2006 | 18 | 22 |
| 2007 | 10 | 14 |
| 2008 | 9 | 43 |
| 2009 | 12 | 19 |
| 2010 | 19 | 29 |
| 2011 | 7 | 25 |
| 2012 | 10 | 30 |
| 2013 | 8 | 45 |
| 2014 | 14 | 35 |
| 2015 | 24 | 59 |
| 2016 | 25 | 45 |
| 2017 | 41 | 65 |
| 2018 | 51 | 55 |
| 2019 | 50 | 54 |
| 2020 | 38 | 41 |
| 2021 | 46 | 42 |
| 2022 | 38 | 40 |
| 2023 | 32 | 42 |
| 2024 | 31 | 38 |
| 2025 | 38 | 38 |
| 2026 | 13 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cosmetology instrument22 Sep 2026US 12,742,602 B2Xiamen Ubest Electronic Technology Co., Ltd.
- Heat exchange assembly1 Sep 2026US 12,723,821 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Heat exchanger for an electronic control unit18 Aug 2026US 12,710,237 B2Valeo Systemes Thermiques
- Heat exchanger turnaround section18 Aug 2026US 12,710,240 B2Hamilton Sundstrand Corporation
- Liquid desiccant air conditioner modules having interlocking panels for controlling airflow16 Jun 2026US 12,656,019 B2Copeland Corporation
- Sheet membrane apparatus8 Oct 2026US 2026/0309425 A1Baltimore Aircoil Company, Inc.
- Heat exchanger and air conditioner employing the same10 Sep 2026US 2026/0266565 A1Samsung Electronics Co., Ltd.
- High-efficiency waste heat recovery sizing machine27 Aug 2026US 2026/0251393 A1Shaoxing Yongfeng Energy Saving Technology Co., Ltd.
- Heat exchange device and heat exchange unit27 Aug 2026US 2026/0251408 A1Toyoda Gosei Co., Ltd.
- Thermal regulation device for cooling electrical energy storage members20 Aug 2026US 2026/0246014 A1Valeo Systemes Thermiques
Most cited
By later US patents
- Fluid cooling systems for electronic systems132US 4,109,707 AHoneywell Information Systems Inc. · 1978
- Tubular heat exchange systems97US 9,200,855 B2Honeywell International Inc. · 2015
- Fluid cooling systems for electronic systems91US 4,072,188 AHoneywell Information Systems Inc. · 1978
- Hot aisle containment cooling unit and method for cooling80US 8,031,468 B2American Power Conversion Corporation · 2011
- Thermo-plastic heat exchanger79US 5,216,743 A1993