F28D 7/1615
The conduits being inside a casing and extending at an angle to
Official title: {the conduits being inside a casing and extending at an angle to the longitudinal axis of the casing; the conduits crossing the conduit for the other heat exchange medium}
F28D7/1615 (The conduits being inside a casing and extending at an angle to) appears on 222 US grants and 282 published applications in this corpus.
Search patents in F28D- Granted patents
- 222
- Published applications
- 282
- Assignees
- 179
- Inventors
- 569
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 4 | 3 |
| 2005 | 1 | 2 |
| 2006 | 3 | 3 |
| 2007 | 2 | 8 |
| 2008 | 1 | 4 |
| 2009 | 1 | 5 |
| 2010 | 4 | 7 |
| 2011 | 4 | 12 |
| 2012 | 3 | 12 |
| 2013 | 6 | 15 |
| 2014 | 3 | 18 |
| 2015 | 9 | 16 |
| 2016 | 13 | 15 |
| 2017 | 11 | 21 |
| 2018 | 10 | 21 |
| 2019 | 17 | 18 |
| 2020 | 14 | 12 |
| 2021 | 19 | 27 |
| 2022 | 14 | 17 |
| 2023 | 21 | 17 |
| 2024 | 15 | 11 |
| 2025 | 14 | 9 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat exchanger and assembly method therefor15 Sep 2026US 12,736,290 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Cooking system and heat exchanger with combustion chamber12 May 2026US 12,622,436 B2
- Extruded connected microtube and heat exchanger14 Apr 2026US 12,601,547 B2Rtx Corporation
- Integrated anode for a heat exchanger17 Feb 2026US 12,553,644 B2Rheem Manufacturing Company
- Heat exchanger3 Feb 2026US 12,540,778 B2Rinnai Corporation
- Heat exchanger20 Aug 2026US 2026/0243523 A1Sanden Corporation
- Cooking system and heat exchanger30 Jul 2026US 2026/0218986 A1
- Heat exchanger with integrated start-up heater2 Jul 2026US 2026/0183733 A1thyssenkrupp AG
- Integrated Anode For A Heat Exchanger18 Jun 2026US 2026/0168701 A1Rheem Manufacturing Company
- Heat recovery system26 Feb 2026US 2026/0055973 A1Zypho, SA
Most cited
By later US patents
- Hydraulic fracturing system and method179US 9,840,897 B22017
- Reactor for the oxidation of alkyl aromatics with oxygen-containing gases in the liquid phase57US 4,269,805 ADynamit Nobel Aktiengesellschaft · 1981
- Exhaust gas treatment method and apparatus47US 4,487,139 AHeat Exchanger Industries, Inc. · 1984
- Turbofan provided with a pre-cooler46US 7,926,261 B2Airbus France · 2011
- Exhaust gas treatment method and apparatus44US 4,557,202 AHeat Exchanger Industries, Inc. · 1985