F28D 7/10
The conduits being arranged one within the other
Official title: the conduits being arranged one within the other, e.g. concentrically {(multiple wall tubes for leak detection F28F1/003)}
F28D7/10 (The conduits being arranged one within the other) appears on 1,150 US grants and 1,261 published applications in this corpus.
Search patents in F28D- Granted patents
- 1,150
- Published applications
- 1,261
- Assignees
- 879
- Inventors
- 2,893
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 10 | 0 |
| 1979 | 9 | 0 |
| 1980 | 17 | 0 |
| 1981 | 18 | 0 |
| 1982 | 15 | 0 |
| 1983 | 14 | 0 |
| 1984 | 22 | 0 |
| 1985 | 7 | 0 |
| 1986 | 12 | 0 |
| 1987 | 13 | 0 |
| 1988 | 9 | 0 |
| 1989 | 18 | 0 |
| 1990 | 7 | 0 |
| 1991 | 16 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 13 | 0 |
| 1995 | 14 | 0 |
| 1996 | 12 | 0 |
| 1997 | 6 | 0 |
| 1998 | 15 | 0 |
| 1999 | 15 | 0 |
| 2000 | 22 | 0 |
| 2001 | 25 | 7 |
| 2002 | 15 | 23 |
| 2003 | 10 | 16 |
| 2004 | 17 | 18 |
| 2005 | 14 | 34 |
| 2006 | 11 | 31 |
| 2007 | 15 | 39 |
| 2008 | 16 | 40 |
| 2009 | 16 | 37 |
| 2010 | 17 | 52 |
| 2011 | 17 | 67 |
| 2012 | 30 | 57 |
| 2013 | 27 | 61 |
| 2014 | 25 | 62 |
| 2015 | 34 | 77 |
| 2016 | 33 | 75 |
| 2017 | 52 | 79 |
| 2018 | 60 | 57 |
| 2019 | 55 | 77 |
| 2020 | 63 | 53 |
| 2021 | 67 | 55 |
| 2022 | 58 | 73 |
| 2023 | 45 | 45 |
| 2024 | 33 | 53 |
| 2025 | 48 | 39 |
| 2026 | 22 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat exchanger6 Oct 2026US 12,753,976 B2Honda Motor Co., Ltd.
- Shell-and-tube heat exchanger, method of exchanging heat and use of heat exchanger22 Sep 2026US 12,741,261 B2Technip Energies France
- Heat exchanger and air conditioner including the same1 Sep 2026US 12,723,818 B2Samsung Electronics Co., Ltd.
- Thermal management system and method25 Aug 2026US 12,716,656 B2Transportation IP Holdings, LLC
- High flow high efficiency EGR cooler21 Jul 2026US 12,687,142 B2Woodward, Inc.
- Cleaning appliance27 Aug 2026US 2026/0249328 A1Alfred Kärcher GmbH & Co. KG
- Cold water tank assembly27 Aug 2026US 2026/0251383 A1Coway Co., Ltd.
- Apparatus, System and Method for Heat Exchanger End Plate Erosion Resistance13 Aug 2026US 2026/0235371 A1Westermeyer Industries Inc.
- Cooling system13 Aug 2026US 2026/0239580 A1Mitsubishi Heavy Industries, Ltd.
- Thermal energy recovery devices for electrically heated cracking processes6 Aug 2026US 2026/0226353 A1Sabic Global Technologies B.V.
Most cited
By later US patents
- Inline heat exchanger and cardioplegia system184US 5,403,281 AMinnesota Mining and Manufacturing Company · 1995
- Extracorporeal circuit blood heat exchanger109US 4,231,425 A1980
- Devices using a medium having a high heat transfer rate103US 7,220,365 B2New Qu Energy Ltd. · 2007
- Fluid treatment apparatus and heat exchanger77US 4,671,351 AVerTech Treatment Systems, Inc. · 1987
- Cavity plate and jet nozzle assemblies for use in cooling an electronic module, and methods of fabrication thereof77US 6,431,260 B1International Business Machines Corporation · 2002