F28F 21/062
The heat-exchange apparatus employing tubular conduits
Official title: {the heat-exchange apparatus employing tubular conduits}
F28F21/062 (The heat-exchange apparatus employing tubular conduits) appears on 336 US grants and 267 published applications in this corpus.
Search patents in F28F- Granted patents
- 336
- Published applications
- 267
- Assignees
- 231
- Inventors
- 737
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 11 | 0 |
| 1989 | 9 | 0 |
| 1990 | 9 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 12 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 11 | 0 |
| 1999 | 13 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 2 |
| 2002 | 12 | 5 |
| 2003 | 2 | 9 |
| 2004 | 4 | 13 |
| 2005 | 3 | 7 |
| 2006 | 7 | 9 |
| 2007 | 6 | 13 |
| 2008 | 5 | 14 |
| 2009 | 4 | 3 |
| 2010 | 1 | 14 |
| 2011 | 3 | 12 |
| 2012 | 5 | 13 |
| 2013 | 6 | 14 |
| 2014 | 7 | 9 |
| 2015 | 7 | 12 |
| 2016 | 6 | 13 |
| 2017 | 7 | 17 |
| 2018 | 9 | 13 |
| 2019 | 12 | 14 |
| 2020 | 13 | 13 |
| 2021 | 16 | 13 |
| 2022 | 9 | 12 |
| 2023 | 11 | 11 |
| 2024 | 8 | 8 |
| 2025 | 4 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Phase change material heat exchanger30 Jun 2026US 12,669,292 B2Hamilton Sundstrang Corporation
- Battery pack and a method of manufacturing a battery pack16 Jun 2026US 12,658,502 B2Xerotech Limited
- Apparatus and method to prevent splitting or rupture in fluid coils26 May 2026US 12,638,242 B2Coil Master Corporation
- Temperature equalizing plate for a microplate reader and microplate reader with such a temperature equalizing plate25 Nov 2025US 12,480,723 B2Tecan Trading AG
- Heat exchanger and method for manufacturing the same18 Nov 2025US 12,474,122 B2Honda Motor Co., Ltd.
- Shell and tube heat exchangers22 Jan 2026US 2026/0022892 A1Enaxiom Pty Ltd.
- Phase change material heat exchanger12 Jun 2025US 2025/0189237 A1Hamilton Sundstrang Corporation
- Polymeric tube-in-shell heat exchanger with twisted tubes22 May 2025US 2025/0164191 A1Trevi Systems Inc.
- Additively Manufactured Vascular Networks8 May 2025US 2025/0146716 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Hybrid heat exchanger12 Dec 2024US 2024/0410655 A1Baltimore Aircoil Company, Inc.
Most cited
By later US patents
- Cooling system for therapeutic catheter262US 6,019,783 AAlsius Corporation · 2000
- Tubed lamination heat transfer articles and method of manufacture158US 5,755,275 ADelta Temax Inc. · 1998
- Potting of tubular bundles in housing125US 6,113,782 ATerumo Cardiovascular Systems Corporation · 2000
- Cooling system for therapeutic catheter121US 6,436,130 B1Alsius Corporation · 2002
- Fluid fractionation apparatus and method of manufacturing the same119US 4,038,190 ARhone-Poulenc Inc. · 1977